From: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
db/attr.c | 4 +-
db/check.c | 8 +-
db/dir2.c | 4 +-
include/xfs_da_btree.h | 106 +++-
libxfs/xfs_attr.c | 24 +-
libxfs/xfs_attr_leaf.c | 17 +-
libxfs/xfs_da_btree.c | 1393 +++++++++++++++++++++++++++++-------------------
libxfs/xfs_dir2_node.c | 26 +-
repair/attr_repair.c | 88 +--
repair/dir2.c | 96 ++--
10 files changed, 1066 insertions(+), 700 deletions(-)
diff --git a/db/attr.c b/db/attr.c
index 74bf411..a5087b8 100644
--- a/db/attr.c
+++ b/db/attr.c
@@ -54,7 +54,7 @@ const field_t attr_flds[] = {
FLD_COUNT, TYP_NONE },
{ "entries", FLDT_ATTR_LEAF_ENTRY, OI(LOFF(entries)),
attr_leaf_entries_count, FLD_ARRAY|FLD_COUNT, TYP_NONE },
- { "btree", FLDT_ATTR_NODE_ENTRY, OI(NOFF(btree)), attr_node_btree_count,
+ { "btree", FLDT_ATTR_NODE_ENTRY, OI(NOFF(__btree)), attr_node_btree_count,
FLD_ARRAY|FLD_COUNT, TYP_NONE },
{ "nvlist", FLDT_ATTR_LEAF_NAME, attr_leaf_nvlist_offset,
attr_leaf_nvlist_count, FLD_ARRAY|FLD_OFFSET|FLD_COUNT, TYP_NONE },
@@ -144,7 +144,7 @@ const field_t attr_node_entry_flds[] = {
const field_t attr_node_hdr_flds[] = {
{ "info", FLDT_ATTR_BLKINFO, OI(HOFF(info)), C1, 0, TYP_NONE },
{ "count", FLDT_UINT16D, OI(HOFF(count)), C1, 0, TYP_NONE },
- { "level", FLDT_UINT16D, OI(HOFF(level)), C1, 0, TYP_NONE },
+ { "level", FLDT_UINT16D, OI(HOFF(__level)), C1, 0, TYP_NONE },
{ NULL }
};
diff --git a/db/check.c b/db/check.c
index 27107a0..5b7498f 100644
--- a/db/check.c
+++ b/db/check.c
@@ -3072,6 +3072,7 @@ process_leaf_node_dir_v2_int(
xfs_dir2_leaf_tail_t *ltp;
xfs_da_intnode_t *node;
int stale;
+ struct xfs_da3_icnode_hdr nodehdr;
leaf = iocur_top->data;
switch (be16_to_cpu(leaf->hdr.info.magic)) {
@@ -3120,13 +3121,12 @@ process_leaf_node_dir_v2_int(
break;
case XFS_DA_NODE_MAGIC:
node = iocur_top->data;
- if (be16_to_cpu(node->hdr.level) < 1 ||
- be16_to_cpu(node->hdr.level) >
- XFS_DA_NODE_MAXDEPTH) {
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ if (nodehdr.level < 1 || nodehdr.level > XFS_DA_NODE_MAXDEPTH) {
if (!sflag || v)
dbprintf(_("bad node block level %d for dir ino "
"%lld block %d\n"),
- be16_to_cpu(node->hdr.level), id->ino,
+ nodehdr.level, id->ino,
dabno);
error++;
}
diff --git a/db/dir2.c b/db/dir2.c
index 176bdab..590e993 100644
--- a/db/dir2.c
+++ b/db/dir2.c
@@ -86,7 +86,7 @@ const field_t dir2_flds[] = {
dir2_leaf_tail_count, FLD_OFFSET|FLD_COUNT, TYP_NONE },
{ "nhdr", FLDT_DA_NODE_HDR, OI(NOFF(hdr)), dir2_node_hdr_count,
FLD_COUNT, TYP_NONE },
- { "nbtree", FLDT_DA_NODE_ENTRY, OI(NOFF(btree)), dir2_node_btree_count,
+ { "nbtree", FLDT_DA_NODE_ENTRY, OI(NOFF(__btree)), dir2_node_btree_count,
FLD_ARRAY|FLD_COUNT, TYP_NONE },
{ "fhdr", FLDT_DIR2_FREE_HDR, OI(FOFF(hdr)), dir2_free_hdr_count,
FLD_COUNT, TYP_NONE },
@@ -185,7 +185,7 @@ const field_t da_node_entry_flds[] = {
const field_t da_node_hdr_flds[] = {
{ "info", FLDT_DA_BLKINFO, OI(HOFF(info)), C1, 0, TYP_NONE },
{ "count", FLDT_UINT16D, OI(HOFF(count)), C1, 0, TYP_NONE },
- { "level", FLDT_UINT16D, OI(HOFF(level)), C1, 0, TYP_NONE },
+ { "level", FLDT_UINT16D, OI(HOFF(__level)), C1, 0, TYP_NONE },
{ NULL }
};
diff --git a/include/xfs_da_btree.h b/include/xfs_da_btree.h
index 0854b95..6bedb3c 100644
--- a/include/xfs_da_btree.h
+++ b/include/xfs_da_btree.h
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
+ * Copyright (c) 2013 Red Hat, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
@@ -20,7 +21,6 @@
struct xfs_bmap_free;
struct xfs_inode;
-struct xfs_mount;
struct xfs_trans;
struct zone;
@@ -50,8 +50,11 @@ typedef struct xfs_da_blkinfo {
* CRC enabled directory structure types
*
* The headers change size for the additional verification information, but
- * otherwise the tree layouts and contents are unchanged.
+ * otherwise the tree layouts and contents are unchanged. Hence the da btree
+ * code can use the struct xfs_da_blkinfo for manipulating the tree links and
+ * magic numbers without modification for both v2 and v3 nodes.
*/
+#define XFS_DA3_NODE_MAGIC 0x3ebe /* magic number: non-leaf blocks */
#define XFS_DIR3_LEAF1_MAGIC 0x3df1 /* magic number: v2 dirlf single blks */
#define XFS_DIR3_LEAFN_MAGIC 0x3dff /* magic number: v2 dirlf multi blks */
@@ -80,19 +83,76 @@ struct xfs_da3_blkinfo {
*/
#define XFS_DA_NODE_MAXDEPTH 5 /* max depth of Btree */
+typedef struct xfs_da_node_hdr {
+ struct xfs_da_blkinfo info; /* block type, links, etc. */
+ __be16 count; /* count of active entries */
+ __be16 __level; /* level above leaves (leaf == 0) */
+} xfs_da_node_hdr_t;
+
+struct xfs_da3_node_hdr {
+ struct xfs_da3_blkinfo info; /* block type, links, etc. */
+ __be16 count; /* count of active entries */
+ __be16 __level; /* level above leaves (leaf == 0) */
+ __be32 __pad32;
+};
+
+#define XFS_DA3_NODE_CRC_OFF (offsetof(struct xfs_da3_node_hdr, info.crc))
+
+typedef struct xfs_da_node_entry {
+ __be32 hashval; /* hash value for this descendant */
+ __be32 before; /* Btree block before this key */
+} xfs_da_node_entry_t;
+
typedef struct xfs_da_intnode {
- struct xfs_da_node_hdr { /* constant-structure header block */
- xfs_da_blkinfo_t info; /* block type, links, etc. */
- __be16 count; /* count of active entries */
- __be16 level; /* level above leaves (leaf == 0) */
- } hdr;
- struct xfs_da_node_entry {
- __be32 hashval; /* hash value for this descendant */
- __be32 before; /* Btree block before this key */
- } btree[1]; /* variable sized array of keys */
+ struct xfs_da_node_hdr hdr;
+ struct xfs_da_node_entry __btree[];
} xfs_da_intnode_t;
-typedef struct xfs_da_node_hdr xfs_da_node_hdr_t;
-typedef struct xfs_da_node_entry xfs_da_node_entry_t;
+
+struct xfs_da3_intnode {
+ struct xfs_da3_node_hdr hdr;
+ struct xfs_da_node_entry __btree[];
+};
+
+/*
+ * In-core version of the node header to abstract the differences in the v2 and
+ * v3 disk format of the headers. Callers need to convert to/from disk format as
+ * appropriate.
+ */
+struct xfs_da3_icnode_hdr {
+ __uint32_t forw;
+ __uint32_t back;
+ __uint16_t magic;
+ __uint16_t count;
+ __uint16_t level;
+};
+
+extern void xfs_da3_node_hdr_from_disk(struct xfs_da3_icnode_hdr *to,
+ struct xfs_da_intnode *from);
+extern void xfs_da3_node_hdr_to_disk(struct xfs_da_intnode *to,
+ struct xfs_da3_icnode_hdr *from);
+
+static inline int
+xfs_da3_node_hdr_size(struct xfs_da_intnode *dap)
+{
+ if (dap->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC))
+ return sizeof(struct xfs_da3_node_hdr);
+ return sizeof(struct xfs_da_node_hdr);
+}
+
+static inline struct xfs_da_node_entry *
+xfs_da3_node_tree_p(struct xfs_da_intnode *dap)
+{
+ if (dap->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC)) {
+ struct xfs_da3_intnode *dap3 = (struct xfs_da3_intnode *)dap;
+ return dap3->__btree;
+ }
+ return dap->__btree;
+}
+
+extern void xfs_da3_intnode_from_disk(struct xfs_da3_icnode_hdr *to,
+ struct xfs_da_intnode *from);
+extern void xfs_da3_intnode_to_disk(struct xfs_da_intnode *to,
+ struct xfs_da3_icnode_hdr *from);
#define XFS_LBSIZE(mp) (mp)->m_sb.sb_blocksize
@@ -214,29 +274,29 @@ struct xfs_nameops {
/*
* Routines used for growing the Btree.
*/
-int xfs_da_node_create(xfs_da_args_t *args, xfs_dablk_t blkno, int level,
- struct xfs_buf **bpp, int whichfork);
-int xfs_da_split(xfs_da_state_t *state);
+int xfs_da3_node_create(struct xfs_da_args *args, xfs_dablk_t blkno,
+ int level, struct xfs_buf **bpp, int whichfork);
+int xfs_da3_split(xfs_da_state_t *state);
/*
* Routines used for shrinking the Btree.
*/
-int xfs_da_join(xfs_da_state_t *state);
-void xfs_da_fixhashpath(xfs_da_state_t *state,
- xfs_da_state_path_t *path_to_to_fix);
+int xfs_da3_join(xfs_da_state_t *state);
+void xfs_da3_fixhashpath(struct xfs_da_state *state,
+ struct xfs_da_state_path *path_to_to_fix);
/*
* Routines used for finding things in the Btree.
*/
-int xfs_da_node_lookup_int(xfs_da_state_t *state, int *result);
-int xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
+int xfs_da3_node_lookup_int(xfs_da_state_t *state, int *result);
+int xfs_da3_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
int forward, int release, int *result);
/*
* Utility routines.
*/
-int xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
+int xfs_da3_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
xfs_da_state_blk_t *new_blk);
-int xfs_da_node_read(struct xfs_trans *tp, struct xfs_inode *dp,
+int xfs_da3_node_read(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t bno, xfs_daddr_t mappedbno,
struct xfs_buf **bpp, int which_fork);
diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
index 2adf92b..bb2ccf2 100644
--- a/libxfs/xfs_attr.c
+++ b/libxfs/xfs_attr.c
@@ -967,7 +967,7 @@ restart:
* Search to see if name already exists, and get back a pointer
* to where it should go.
*/
- error = xfs_da_node_lookup_int(state, &retval);
+ error = xfs_da3_node_lookup_int(state, &retval);
if (error)
goto out;
blk = &state->path.blk[ state->path.active-1 ];
@@ -1038,7 +1038,7 @@ restart:
* in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields.
*/
xfs_bmap_init(args->flist, args->firstblock);
- error = xfs_da_split(state);
+ error = xfs_da3_split(state);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
&committed);
@@ -1060,7 +1060,7 @@ restart:
/*
* Addition succeeded, update Btree hashvals.
*/
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
}
/*
@@ -1131,7 +1131,7 @@ restart:
state->blocksize = state->mp->m_sb.sb_blocksize;
state->node_ents = state->mp->m_attr_node_ents;
state->inleaf = 0;
- error = xfs_da_node_lookup_int(state, &retval);
+ error = xfs_da3_node_lookup_int(state, &retval);
if (error)
goto out;
@@ -1141,14 +1141,14 @@ restart:
blk = &state->path.blk[ state->path.active-1 ];
ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC);
error = xfs_attr_leaf_remove(blk->bp, args);
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
/*
* Check to see if the tree needs to be collapsed.
*/
if (retval && (state->path.active > 1)) {
xfs_bmap_init(args->flist, args->firstblock);
- error = xfs_da_join(state);
+ error = xfs_da3_join(state);
if (!error) {
error = xfs_bmap_finish(&args->trans,
args->flist,
@@ -1226,7 +1226,7 @@ xfs_attr_node_removename(xfs_da_args_t *args)
/*
* Search to see if name exists, and get back a pointer to it.
*/
- error = xfs_da_node_lookup_int(state, &retval);
+ error = xfs_da3_node_lookup_int(state, &retval);
if (error || (retval != EEXIST)) {
if (error == 0)
error = retval;
@@ -1277,14 +1277,14 @@ xfs_attr_node_removename(xfs_da_args_t *args)
blk = &state->path.blk[ state->path.active-1 ];
ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC);
retval = xfs_attr_leaf_remove(blk->bp, args);
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
/*
* Check to see if the tree needs to be collapsed.
*/
if (retval && (state->path.active > 1)) {
xfs_bmap_init(args->flist, args->firstblock);
- error = xfs_da_join(state);
+ error = xfs_da3_join(state);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
&committed);
@@ -1430,7 +1430,7 @@ xfs_attr_refillstate(xfs_da_state_t *state)
ASSERT((path->active >= 0) && (path->active < XFS_DA_NODE_MAXDEPTH));
for (blk = path->blk, level = 0; level < path->active; blk++, level++) {
if (blk->disk_blkno) {
- error = xfs_da_node_read(state->args->trans,
+ error = xfs_da3_node_read(state->args->trans,
state->args->dp,
blk->blkno, blk->disk_blkno,
&blk->bp, XFS_ATTR_FORK);
@@ -1449,7 +1449,7 @@ xfs_attr_refillstate(xfs_da_state_t *state)
ASSERT((path->active >= 0) && (path->active < XFS_DA_NODE_MAXDEPTH));
for (blk = path->blk, level = 0; level < path->active; blk++, level++) {
if (blk->disk_blkno) {
- error = xfs_da_node_read(state->args->trans,
+ error = xfs_da3_node_read(state->args->trans,
state->args->dp,
blk->blkno, blk->disk_blkno,
&blk->bp, XFS_ATTR_FORK);
@@ -1489,7 +1489,7 @@ xfs_attr_node_get(xfs_da_args_t *args)
/*
* Search to see if name exists, and get back a pointer to it.
*/
- error = xfs_da_node_lookup_int(state, &retval);
+ error = xfs_da3_node_lookup_int(state, &retval);
if (error) {
retval = error;
} else if (retval == EEXIST) {
diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c
index 85cb31d..cb37198 100644
--- a/libxfs/xfs_attr_leaf.c
+++ b/libxfs/xfs_attr_leaf.c
@@ -703,6 +703,7 @@ xfs_attr_leaf_to_node(xfs_da_args_t *args)
struct xfs_buf *bp1, *bp2;
xfs_dablk_t blkno;
int error;
+ struct xfs_da_node_entry *btree;
trace_xfs_attr_leaf_to_node(args);
@@ -728,16 +729,16 @@ xfs_attr_leaf_to_node(xfs_da_args_t *args)
/*
* Set up the new root node.
*/
- error = xfs_da_node_create(args, 0, 1, &bp1, XFS_ATTR_FORK);
+ error = xfs_da3_node_create(args, 0, 1, &bp1, XFS_ATTR_FORK);
if (error)
goto out;
node = bp1->b_addr;
leaf = bp2->b_addr;
ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
/* both on-disk, don't endian-flip twice */
- node->btree[0].hashval =
- leaf->entries[be16_to_cpu(leaf->hdr.count)-1 ].hashval;
- node->btree[0].before = cpu_to_be32(blkno);
+ btree = xfs_da3_node_tree_p(node);
+ btree[0].hashval = leaf->entries[be16_to_cpu(leaf->hdr.count)-1 ].hashval;
+ btree[0].before = cpu_to_be32(blkno);
node->hdr.count = cpu_to_be16(1);
xfs_trans_log_buf(args->trans, bp1, 0, XFS_LBSIZE(dp->i_mount) - 1);
error = 0;
@@ -825,7 +826,7 @@ xfs_attr_leaf_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* NOTE: rebalance() currently depends on the 2nd block being empty.
*/
xfs_attr_leaf_rebalance(state, oldblk, newblk);
- error = xfs_da_blk_link(state, oldblk, newblk);
+ error = xfs_da3_blk_link(state, oldblk, newblk);
if (error)
return(error);
@@ -1453,7 +1454,7 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action)
*/
forward = (info->forw != 0);
memcpy(&state->altpath, &state->path, sizeof(state->path));
- error = xfs_da_path_shift(state, &state->altpath, forward,
+ error = xfs_da3_path_shift(state, &state->altpath, forward,
0, &retval);
if (error)
return(error);
@@ -1510,10 +1511,10 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action)
*/
memcpy(&state->altpath, &state->path, sizeof(state->path));
if (blkno < blk->blkno) {
- error = xfs_da_path_shift(state, &state->altpath, forward,
+ error = xfs_da3_path_shift(state, &state->altpath, forward,
0, &retval);
} else {
- error = xfs_da_path_shift(state, &state->path, forward,
+ error = xfs_da3_path_shift(state, &state->path, forward,
0, &retval);
}
if (error)
diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c
index 63cd299..3176626 100644
--- a/libxfs/xfs_da_btree.c
+++ b/libxfs/xfs_da_btree.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * Copyright (c) 2013 Red Hat, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
@@ -31,69 +32,195 @@
/*
* Routines used for growing the Btree.
*/
-STATIC int xfs_da_root_split(xfs_da_state_t *state,
+STATIC int xfs_da3_root_split(xfs_da_state_t *state,
xfs_da_state_blk_t *existing_root,
xfs_da_state_blk_t *new_child);
-STATIC int xfs_da_node_split(xfs_da_state_t *state,
+STATIC int xfs_da3_node_split(xfs_da_state_t *state,
xfs_da_state_blk_t *existing_blk,
xfs_da_state_blk_t *split_blk,
xfs_da_state_blk_t *blk_to_add,
int treelevel,
int *result);
-STATIC void xfs_da_node_rebalance(xfs_da_state_t *state,
+STATIC void xfs_da3_node_rebalance(xfs_da_state_t *state,
xfs_da_state_blk_t *node_blk_1,
xfs_da_state_blk_t *node_blk_2);
-STATIC void xfs_da_node_add(xfs_da_state_t *state,
+STATIC void xfs_da3_node_add(xfs_da_state_t *state,
xfs_da_state_blk_t *old_node_blk,
xfs_da_state_blk_t *new_node_blk);
/*
* Routines used for shrinking the Btree.
*/
-STATIC int xfs_da_root_join(xfs_da_state_t *state,
+STATIC int xfs_da3_root_join(xfs_da_state_t *state,
xfs_da_state_blk_t *root_blk);
-STATIC int xfs_da_node_toosmall(xfs_da_state_t *state, int *retval);
-STATIC void xfs_da_node_remove(xfs_da_state_t *state,
+STATIC int xfs_da3_node_toosmall(xfs_da_state_t *state, int *retval);
+STATIC void xfs_da3_node_remove(xfs_da_state_t *state,
xfs_da_state_blk_t *drop_blk);
-STATIC void xfs_da_node_unbalance(xfs_da_state_t *state,
+STATIC void xfs_da3_node_unbalance(xfs_da_state_t *state,
xfs_da_state_blk_t *src_node_blk,
xfs_da_state_blk_t *dst_node_blk);
/*
* Utility routines.
*/
-STATIC uint xfs_da_node_lasthash(struct xfs_buf *bp, int *count);
-STATIC int xfs_da_node_order(struct xfs_buf *node1_bp,
- struct xfs_buf *node2_bp);
-STATIC int xfs_da_blk_unlink(xfs_da_state_t *state,
+STATIC int xfs_da3_blk_unlink(xfs_da_state_t *state,
xfs_da_state_blk_t *drop_blk,
xfs_da_state_blk_t *save_blk);
-STATIC void xfs_da_state_kill_altpath(xfs_da_state_t *state);
-static void
-xfs_da_node_verify(
+
+kmem_zone_t *xfs_da_state_zone; /* anchor for state struct zone */
+
+/*
+ * Allocate a dir-state structure.
+ * We don't put them on the stack since they're large.
+ */
+xfs_da_state_t *
+xfs_da_state_alloc(void)
+{
+ return kmem_zone_zalloc(xfs_da_state_zone, KM_NOFS);
+}
+
+/*
+ * Kill the altpath contents of a da-state structure.
+ */
+STATIC void
+xfs_da_state_kill_altpath(xfs_da_state_t *state)
+{
+ int i;
+
+ for (i = 0; i < state->altpath.active; i++)
+ state->altpath.blk[i].bp = NULL;
+ state->altpath.active = 0;
+}
+
+/*
+ * Free a da-state structure.
+ */
+void
+xfs_da_state_free(xfs_da_state_t *state)
+{
+ xfs_da_state_kill_altpath(state);
+#ifdef DEBUG
+ memset((char *)state, 0, sizeof(*state));
+#endif /* DEBUG */
+ kmem_zone_free(xfs_da_state_zone, state);
+}
+
+void
+xfs_da3_node_hdr_from_disk(
+ struct xfs_da3_icnode_hdr *to,
+ struct xfs_da_intnode *from)
+{
+ ASSERT(from->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC) ||
+ from->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC));
+
+ if (from->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC)) {
+ struct xfs_da3_node_hdr *hdr3 = (struct xfs_da3_node_hdr *)from;
+
+ to->forw = be32_to_cpu(hdr3->info.hdr.forw);
+ to->back = be32_to_cpu(hdr3->info.hdr.back);
+ to->magic = be16_to_cpu(hdr3->info.hdr.magic);
+ to->count = be16_to_cpu(hdr3->count);
+ to->level = be16_to_cpu(hdr3->__level);
+ return;
+ }
+ to->forw = be32_to_cpu(from->hdr.info.forw);
+ to->back = be32_to_cpu(from->hdr.info.back);
+ to->magic = be16_to_cpu(from->hdr.info.magic);
+ to->count = be16_to_cpu(from->hdr.count);
+ to->level = be16_to_cpu(from->hdr.__level);
+}
+
+void
+xfs_da3_node_hdr_to_disk(
+ struct xfs_da_intnode *to,
+ struct xfs_da3_icnode_hdr *from)
+{
+ ASSERT(from->magic == XFS_DA_NODE_MAGIC ||
+ from->magic == XFS_DA3_NODE_MAGIC);
+
+ if (from->magic == XFS_DA3_NODE_MAGIC) {
+ struct xfs_da3_node_hdr *hdr3 = (struct xfs_da3_node_hdr *)to;
+
+ hdr3->info.hdr.forw = cpu_to_be32(from->forw);
+ hdr3->info.hdr.back = cpu_to_be32(from->back);
+ hdr3->info.hdr.magic = cpu_to_be16(from->magic);
+ hdr3->count = cpu_to_be16(from->count);
+ hdr3->__level = cpu_to_be16(from->level);
+ return;
+ }
+ to->hdr.info.forw = cpu_to_be32(from->forw);
+ to->hdr.info.back = cpu_to_be32(from->back);
+ to->hdr.info.magic = cpu_to_be16(from->magic);
+ to->hdr.count = cpu_to_be16(from->count);
+ to->hdr.__level = cpu_to_be16(from->level);
+}
+
+static bool
+xfs_da3_node_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- struct xfs_da_node_hdr *hdr = bp->b_addr;
- int block_ok = 0;
-
- block_ok = hdr->info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC);
- block_ok = block_ok &&
- be16_to_cpu(hdr->level) > 0 &&
- be16_to_cpu(hdr->count) > 0 ;
- if (!block_ok) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
+ struct xfs_da_intnode *hdr = bp->b_addr;
+ struct xfs_da3_icnode_hdr ichdr;
+
+ xfs_da3_node_hdr_from_disk(&ichdr, hdr);
+
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
+
+ if (ichdr.magic != XFS_DA3_NODE_MAGIC)
+ return false;
+
+ if (!uuid_equal(&hdr3->info.uuid, &mp->m_sb.sb_uuid))
+ return false;
+ if (be64_to_cpu(hdr3->info.blkno) != bp->b_bn)
+ return false;
+ } else {
+ if (ichdr.magic != XFS_DA_NODE_MAGIC)
+ return false;
}
+ if (ichdr.level == 0)
+ return false;
+ if (ichdr.level > XFS_DA_NODE_MAXDEPTH)
+ return false;
+ if (ichdr.count == 0)
+ return false;
+
+ /*
+ * we don't know if the node is for and attribute or directory tree,
+ * so only fail if the count is outside both bounds
+ */
+ if (ichdr.count > mp->m_dir_node_ents &&
+ ichdr.count > mp->m_attr_node_ents)
+ return false;
+
+ /* XXX: hash order check? */
+ return true;
}
static void
-xfs_da_node_write_verify(
+xfs_da3_node_write_verify(
struct xfs_buf *bp)
{
- xfs_da_node_verify(bp);
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_buf_log_item *bip = bp->b_fspriv;
+ struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
+
+ if (!xfs_da3_node_verify(bp)) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ return;
+ }
+
+ if (!xfs_sb_version_hascrc(&mp->m_sb))
+ return;
+
+ if (bip)
+ hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
+
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DA3_NODE_CRC_OFF);
}
/*
@@ -103,16 +230,22 @@ xfs_da_node_write_verify(
* format of the block being read.
*/
static void
-xfs_da_node_read_verify(
+xfs_da3_node_read_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_da_blkinfo *info = bp->b_addr;
switch (be16_to_cpu(info->magic)) {
+ case XFS_DA3_NODE_MAGIC:
+ if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
+ XFS_DA3_NODE_CRC_OFF))
+ break;
+ /* fall through */
case XFS_DA_NODE_MAGIC:
- xfs_da_node_verify(bp);
- break;
+ if (!xfs_da3_node_verify(bp))
+ break;
+ return;
case XFS_ATTR_LEAF_MAGIC:
bp->b_ops = &xfs_attr_leaf_buf_ops;
bp->b_ops->verify_read(bp);
@@ -123,21 +256,22 @@ xfs_da_node_read_verify(
bp->b_ops->verify_read(bp);
return;
default:
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
- mp, info);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
break;
}
+
+ /* corrupt block */
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
}
-const struct xfs_buf_ops xfs_da_node_buf_ops = {
- .verify_read = xfs_da_node_read_verify,
- .verify_write = xfs_da_node_write_verify,
+const struct xfs_buf_ops xfs_da3_node_buf_ops = {
+ .verify_read = xfs_da3_node_read_verify,
+ .verify_write = xfs_da3_node_write_verify,
};
int
-xfs_da_node_read(
+xfs_da3_node_read(
struct xfs_trans *tp,
struct xfs_inode *dp,
xfs_dablk_t bno,
@@ -146,7 +280,7 @@ xfs_da_node_read(
int which_fork)
{
return xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
- which_fork, &xfs_da_node_buf_ops);
+ which_fork, &xfs_da3_node_buf_ops);
}
/*========================================================================
@@ -157,33 +291,45 @@ xfs_da_node_read(
* Create the initial contents of an intermediate node.
*/
int
-xfs_da_node_create(xfs_da_args_t *args, xfs_dablk_t blkno, int level,
- struct xfs_buf **bpp, int whichfork)
+xfs_da3_node_create(
+ struct xfs_da_args *args,
+ xfs_dablk_t blkno,
+ int level,
+ struct xfs_buf **bpp,
+ int whichfork)
{
- xfs_da_intnode_t *node;
- struct xfs_buf *bp;
- int error;
- xfs_trans_t *tp;
+ struct xfs_da_intnode *node;
+ struct xfs_trans *tp = args->trans;
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_da3_icnode_hdr ichdr = {0};
+ struct xfs_buf *bp;
+ int error;
trace_xfs_da_node_create(args);
+ ASSERT(level <= XFS_DA_NODE_MAXDEPTH);
- tp = args->trans;
error = xfs_da_get_buf(tp, args->dp, blkno, -1, &bp, whichfork);
if (error)
return(error);
- ASSERT(bp != NULL);
node = bp->b_addr;
- node->hdr.info.forw = 0;
- node->hdr.info.back = 0;
- node->hdr.info.magic = cpu_to_be16(XFS_DA_NODE_MAGIC);
- node->hdr.info.pad = 0;
- node->hdr.count = 0;
- node->hdr.level = cpu_to_be16(level);
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ struct xfs_da3_node_hdr *hdr3 = bp->b_addr;
+
+ ichdr.magic = XFS_DA3_NODE_MAGIC;
+ hdr3->info.blkno = cpu_to_be64(bp->b_bn);
+ hdr3->info.owner = cpu_to_be64(args->dp->i_ino);
+ uuid_copy(&hdr3->info.uuid, &mp->m_sb.sb_uuid);
+ } else {
+ ichdr.magic = XFS_DA_NODE_MAGIC;
+ }
+ ichdr.level = level;
+
+ xfs_da3_node_hdr_to_disk(node, &ichdr);
xfs_trans_log_buf(tp, bp,
- XFS_DA_LOGRANGE(node, &node->hdr, sizeof(node->hdr)));
+ XFS_DA_LOGRANGE(node, &node->hdr, xfs_da3_node_hdr_size(node)));
- bp->b_ops = &xfs_da_node_buf_ops;
+ bp->b_ops = &xfs_da3_node_buf_ops;
*bpp = bp;
return(0);
}
@@ -193,12 +339,18 @@ xfs_da_node_create(xfs_da_args_t *args, xfs_dablk_t blkno, int level,
* intermediate nodes, rebalance, etc.
*/
int /* error */
-xfs_da_split(xfs_da_state_t *state)
+xfs_da3_split(
+ struct xfs_da_state *state)
{
- xfs_da_state_blk_t *oldblk, *newblk, *addblk;
- xfs_da_intnode_t *node;
- struct xfs_buf *bp;
- int max, action, error, i;
+ struct xfs_da_state_blk *oldblk;
+ struct xfs_da_state_blk *newblk;
+ struct xfs_da_state_blk *addblk;
+ struct xfs_da_intnode *node;
+ struct xfs_buf *bp;
+ int max;
+ int action;
+ int error;
+ int i;
trace_xfs_da_split(state->args);
@@ -260,7 +412,7 @@ xfs_da_split(xfs_da_state_t *state)
addblk = newblk;
break;
case XFS_DA_NODE_MAGIC:
- error = xfs_da_node_split(state, oldblk, newblk, addblk,
+ error = xfs_da3_node_split(state, oldblk, newblk, addblk,
max - i, &action);
addblk->bp = NULL;
if (error)
@@ -278,7 +430,7 @@ xfs_da_split(xfs_da_state_t *state)
/*
* Update the btree to show the new hashval for this child.
*/
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
}
if (!addblk)
return(0);
@@ -288,7 +440,7 @@ xfs_da_split(xfs_da_state_t *state)
*/
ASSERT(state->path.active == 0);
oldblk = &state->path.blk[0];
- error = xfs_da_root_split(state, oldblk, addblk);
+ error = xfs_da3_root_split(state, oldblk, addblk);
if (error) {
addblk->bp = NULL;
return(error); /* GROT: dir is inconsistent */
@@ -299,8 +451,10 @@ xfs_da_split(xfs_da_state_t *state)
* just got bumped because of the addition of a new root node.
* There might be three blocks involved if a double split occurred,
* and the original block 0 could be at any position in the list.
+ *
+ * Note: the info structures being modified here for both v2 and v3 da
+ * headers, so we can do this linkage just using the v2 structures.
*/
-
node = oldblk->bp->b_addr;
if (node->hdr.info.forw) {
if (be32_to_cpu(node->hdr.info.forw) == addblk->blkno) {
@@ -339,18 +493,25 @@ xfs_da_split(xfs_da_state_t *state)
* the EOF, extending the inode in process.
*/
STATIC int /* error */
-xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
- xfs_da_state_blk_t *blk2)
+xfs_da3_root_split(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *blk1,
+ struct xfs_da_state_blk *blk2)
{
- xfs_da_intnode_t *node, *oldroot;
- xfs_da_args_t *args;
- xfs_dablk_t blkno;
- struct xfs_buf *bp;
- int error, size;
- xfs_inode_t *dp;
- xfs_trans_t *tp;
- xfs_mount_t *mp;
- xfs_dir2_leaf_t *leaf;
+ struct xfs_da_intnode *node;
+ struct xfs_da_intnode *oldroot;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
+ struct xfs_da_args *args;
+ struct xfs_buf *bp;
+ struct xfs_inode *dp;
+ struct xfs_trans *tp;
+ struct xfs_mount *mp;
+ struct xfs_dir2_leaf *leaf;
+ xfs_dablk_t blkno;
+ int level;
+ int error;
+ int size;
trace_xfs_da_root_split(state->args);
@@ -359,22 +520,26 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
* to a free space somewhere.
*/
args = state->args;
- ASSERT(args != NULL);
error = xfs_da_grow_inode(args, &blkno);
if (error)
- return(error);
+ return error;
+
dp = args->dp;
tp = args->trans;
mp = state->mp;
error = xfs_da_get_buf(tp, dp, blkno, -1, &bp, args->whichfork);
if (error)
- return(error);
- ASSERT(bp != NULL);
+ return error;
node = bp->b_addr;
oldroot = blk1->bp->b_addr;
- if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)) {
- size = (int)((char *)&oldroot->btree[be16_to_cpu(oldroot->hdr.count)] -
- (char *)oldroot);
+ if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC) ||
+ oldroot->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC)) {
+ struct xfs_da3_icnode_hdr nodehdr;
+
+ xfs_da3_node_hdr_from_disk(&nodehdr, oldroot);
+ btree = xfs_da3_node_tree_p(oldroot);
+ size = (int)((char *)&btree[nodehdr.count] - (char *)oldroot);
+ level = nodehdr.level;
} else {
struct xfs_dir3_icleaf_hdr leafhdr;
struct xfs_dir2_leaf_entry *ents;
@@ -386,9 +551,22 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
ASSERT(leafhdr.magic == XFS_DIR2_LEAFN_MAGIC ||
leafhdr.magic == XFS_DIR3_LEAFN_MAGIC);
size = (int)((char *)&ents[leafhdr.count] - (char *)leaf);
+ level = 0;
}
- /* XXX: can't just copy CRC headers from one block to another */
+
+ /*
+ * we can copy most of the information in the node from one block to
+ * another, but for CRC enabled headers we have to make sure that the
+ * block specific identifiers are kept intact. We update the buffer
+ * directly for this.
+ */
memcpy(node, oldroot, size);
+ if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DA3_NODE_MAGIC) ||
+ oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC)) {
+ struct xfs_da3_intnode *node3 = (struct xfs_da3_intnode *)node;
+
+ node3->hdr.info.blkno = cpu_to_be64(bp->b_bn);
+ }
xfs_trans_log_buf(tp, bp, 0, size - 1);
bp->b_ops = blk1->bp->b_ops;
@@ -398,17 +576,21 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Set up the new root node.
*/
- error = xfs_da_node_create(args,
+ error = xfs_da3_node_create(args,
(args->whichfork == XFS_DATA_FORK) ? mp->m_dirleafblk : 0,
- be16_to_cpu(node->hdr.level) + 1, &bp, args->whichfork);
+ level + 1, &bp, args->whichfork);
if (error)
- return(error);
+ return error;
+
node = bp->b_addr;
- node->btree[0].hashval = cpu_to_be32(blk1->hashval);
- node->btree[0].before = cpu_to_be32(blk1->blkno);
- node->btree[1].hashval = cpu_to_be32(blk2->hashval);
- node->btree[1].before = cpu_to_be32(blk2->blkno);
- node->hdr.count = cpu_to_be16(2);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
+ btree[0].hashval = cpu_to_be32(blk1->hashval);
+ btree[0].before = cpu_to_be32(blk1->blkno);
+ btree[1].hashval = cpu_to_be32(blk2->hashval);
+ btree[1].before = cpu_to_be32(blk2->blkno);
+ nodehdr.count = 2;
+ xfs_da3_node_hdr_to_disk(node, &nodehdr);
#ifdef DEBUG
if (oldroot->hdr.info.magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
@@ -422,30 +604,34 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/* Header is already logged by xfs_da_node_create */
xfs_trans_log_buf(tp, bp,
- XFS_DA_LOGRANGE(node, node->btree,
- sizeof(xfs_da_node_entry_t) * 2));
+ XFS_DA_LOGRANGE(node, btree, sizeof(xfs_da_node_entry_t) * 2));
- return(0);
+ return 0;
}
/*
* Split the node, rebalance, then add the new entry.
*/
STATIC int /* error */
-xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
- xfs_da_state_blk_t *newblk,
- xfs_da_state_blk_t *addblk,
- int treelevel, int *result)
+xfs_da3_node_split(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *oldblk,
+ struct xfs_da_state_blk *newblk,
+ struct xfs_da_state_blk *addblk,
+ int treelevel,
+ int *result)
{
- xfs_da_intnode_t *node;
- xfs_dablk_t blkno;
- int newcount, error;
- int useextra;
+ struct xfs_da_intnode *node;
+ struct xfs_da3_icnode_hdr nodehdr;
+ xfs_dablk_t blkno;
+ int newcount;
+ int error;
+ int useextra;
trace_xfs_da_node_split(state->args);
node = oldblk->bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
/*
* With V2 dirs the extra block is data or freespace.
@@ -455,7 +641,7 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
/*
* Do we have to split the node?
*/
- if ((be16_to_cpu(node->hdr.count) + newcount) > state->node_ents) {
+ if (nodehdr.count + newcount > state->node_ents) {
/*
* Allocate a new node, add to the doubly linked chain of
* nodes, then move some of our excess entries into it.
@@ -464,14 +650,14 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
if (error)
return(error); /* GROT: dir is inconsistent */
- error = xfs_da_node_create(state->args, blkno, treelevel,
+ error = xfs_da3_node_create(state->args, blkno, treelevel,
&newblk->bp, state->args->whichfork);
if (error)
return(error); /* GROT: dir is inconsistent */
newblk->blkno = blkno;
newblk->magic = XFS_DA_NODE_MAGIC;
- xfs_da_node_rebalance(state, oldblk, newblk);
- error = xfs_da_blk_link(state, oldblk, newblk);
+ xfs_da3_node_rebalance(state, oldblk, newblk);
+ error = xfs_da3_blk_link(state, oldblk, newblk);
if (error)
return(error);
*result = 1;
@@ -483,7 +669,7 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* Insert the new entry(s) into the correct block
* (updating last hashval in the process).
*
- * xfs_da_node_add() inserts BEFORE the given index,
+ * xfs_da3_node_add() inserts BEFORE the given index,
* and as a result of using node_lookup_int() we always
* point to a valid entry (not after one), but a split
* operation always results in a new block whose hashvals
@@ -492,22 +678,23 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* If we had double-split op below us, then add the extra block too.
*/
node = oldblk->bp->b_addr;
- if (oldblk->index <= be16_to_cpu(node->hdr.count)) {
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ if (oldblk->index <= nodehdr.count) {
oldblk->index++;
- xfs_da_node_add(state, oldblk, addblk);
+ xfs_da3_node_add(state, oldblk, addblk);
if (useextra) {
if (state->extraafter)
oldblk->index++;
- xfs_da_node_add(state, oldblk, &state->extrablk);
+ xfs_da3_node_add(state, oldblk, &state->extrablk);
state->extravalid = 0;
}
} else {
newblk->index++;
- xfs_da_node_add(state, newblk, addblk);
+ xfs_da3_node_add(state, newblk, addblk);
if (useextra) {
if (state->extraafter)
newblk->index++;
- xfs_da_node_add(state, newblk, &state->extrablk);
+ xfs_da3_node_add(state, newblk, &state->extrablk);
state->extravalid = 0;
}
}
@@ -522,33 +709,53 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* NOTE: if blk2 is empty, then it will get the upper half of blk1.
*/
STATIC void
-xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
- xfs_da_state_blk_t *blk2)
+xfs_da3_node_rebalance(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *blk1,
+ struct xfs_da_state_blk *blk2)
{
- xfs_da_intnode_t *node1, *node2, *tmpnode;
- xfs_da_node_entry_t *btree_s, *btree_d;
- int count, tmp;
- xfs_trans_t *tp;
+ struct xfs_da_intnode *node1;
+ struct xfs_da_intnode *node2;
+ struct xfs_da_intnode *tmpnode;
+ struct xfs_da_node_entry *btree1;
+ struct xfs_da_node_entry *btree2;
+ struct xfs_da_node_entry *btree_s;
+ struct xfs_da_node_entry *btree_d;
+ struct xfs_da3_icnode_hdr nodehdr1;
+ struct xfs_da3_icnode_hdr nodehdr2;
+ struct xfs_trans *tp;
+ int count;
+ int tmp;
+ int swap = 0;
trace_xfs_da_node_rebalance(state->args);
node1 = blk1->bp->b_addr;
node2 = blk2->bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&nodehdr1, node1);
+ xfs_da3_node_hdr_from_disk(&nodehdr2, node2);
+ btree1 = xfs_da3_node_tree_p(node1);
+ btree2 = xfs_da3_node_tree_p(node2);
+
/*
* Figure out how many entries need to move, and in which direction.
* Swap the nodes around if that makes it simpler.
*/
- if ((be16_to_cpu(node1->hdr.count) > 0) && (be16_to_cpu(node2->hdr.count) > 0) &&
- ((be32_to_cpu(node2->btree[0].hashval) < be32_to_cpu(node1->btree[0].hashval)) ||
- (be32_to_cpu(node2->btree[be16_to_cpu(node2->hdr.count)-1].hashval) <
- be32_to_cpu(node1->btree[be16_to_cpu(node1->hdr.count)-1].hashval)))) {
+ if (nodehdr1.count > 0 && nodehdr2.count > 0 &&
+ ((be32_to_cpu(btree2[0].hashval) < be32_to_cpu(btree1[0].hashval)) ||
+ (be32_to_cpu(btree2[nodehdr2.count - 1].hashval) <
+ be32_to_cpu(btree1[nodehdr1.count - 1].hashval)))) {
tmpnode = node1;
node1 = node2;
node2 = tmpnode;
+ xfs_da3_node_hdr_from_disk(&nodehdr1, node1);
+ xfs_da3_node_hdr_from_disk(&nodehdr2, node2);
+ btree1 = xfs_da3_node_tree_p(node1);
+ btree2 = xfs_da3_node_tree_p(node2);
+ swap = 1;
}
- ASSERT(node1->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- ASSERT(node2->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- count = (be16_to_cpu(node1->hdr.count) - be16_to_cpu(node2->hdr.count)) / 2;
+
+ count = (nodehdr1.count - nodehdr2.count) / 2;
if (count == 0)
return;
tp = state->args->trans;
@@ -559,10 +766,11 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
/*
* Move elements in node2 up to make a hole.
*/
- if ((tmp = be16_to_cpu(node2->hdr.count)) > 0) {
+ tmp = nodehdr2.count;
+ if (tmp > 0) {
tmp *= (uint)sizeof(xfs_da_node_entry_t);
- btree_s = &node2->btree[0];
- btree_d = &node2->btree[count];
+ btree_s = &btree2[0];
+ btree_d = &btree2[count];
memmove(btree_d, btree_s, tmp);
}
@@ -570,12 +778,12 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
* Move the req'd B-tree elements from high in node1 to
* low in node2.
*/
- be16_add_cpu(&node2->hdr.count, count);
+ nodehdr2.count += count;
tmp = count * (uint)sizeof(xfs_da_node_entry_t);
- btree_s = &node1->btree[be16_to_cpu(node1->hdr.count) - count];
- btree_d = &node2->btree[0];
+ btree_s = &btree1[nodehdr1.count- count];
+ btree_d = &btree2[0];
memcpy(btree_d, btree_s, tmp);
- be16_add_cpu(&node1->hdr.count, -count);
+ nodehdr1.count -= count;
} else {
/*
* Move the req'd B-tree elements from low in node2 to
@@ -583,49 +791,60 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
*/
count = -count;
tmp = count * (uint)sizeof(xfs_da_node_entry_t);
- btree_s = &node2->btree[0];
- btree_d = &node1->btree[be16_to_cpu(node1->hdr.count)];
+ btree_s = &btree2[0];
+ btree_d = &btree1[nodehdr1.count];
memcpy(btree_d, btree_s, tmp);
- be16_add_cpu(&node1->hdr.count, count);
+ nodehdr1.count += count;
+
xfs_trans_log_buf(tp, blk1->bp,
XFS_DA_LOGRANGE(node1, btree_d, tmp));
/*
* Move elements in node2 down to fill the hole.
*/
- tmp = be16_to_cpu(node2->hdr.count) - count;
+ tmp = nodehdr2.count - count;
tmp *= (uint)sizeof(xfs_da_node_entry_t);
- btree_s = &node2->btree[count];
- btree_d = &node2->btree[0];
+ btree_s = &btree2[count];
+ btree_d = &btree2[0];
memmove(btree_d, btree_s, tmp);
- be16_add_cpu(&node2->hdr.count, -count);
+ nodehdr2.count -= count;
}
/*
* Log header of node 1 and all current bits of node 2.
*/
+ xfs_da3_node_hdr_to_disk(node1, &nodehdr1);
xfs_trans_log_buf(tp, blk1->bp,
- XFS_DA_LOGRANGE(node1, &node1->hdr, sizeof(node1->hdr)));
+ XFS_DA_LOGRANGE(node1, &node1->hdr,
+ xfs_da3_node_hdr_size(node1)));
+
+ xfs_da3_node_hdr_to_disk(node2, &nodehdr2);
xfs_trans_log_buf(tp, blk2->bp,
XFS_DA_LOGRANGE(node2, &node2->hdr,
- sizeof(node2->hdr) +
- sizeof(node2->btree[0]) * be16_to_cpu(node2->hdr.count)));
+ xfs_da3_node_hdr_size(node2) +
+ (sizeof(btree2[0]) * nodehdr2.count)));
/*
* Record the last hashval from each block for upward propagation.
* (note: don't use the swapped node pointers)
*/
- node1 = blk1->bp->b_addr;
- node2 = blk2->bp->b_addr;
- blk1->hashval = be32_to_cpu(node1->btree[be16_to_cpu(node1->hdr.count)-1].hashval);
- blk2->hashval = be32_to_cpu(node2->btree[be16_to_cpu(node2->hdr.count)-1].hashval);
+ if (swap) {
+ node1 = blk1->bp->b_addr;
+ node2 = blk2->bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&nodehdr1, node1);
+ xfs_da3_node_hdr_from_disk(&nodehdr2, node2);
+ btree1 = xfs_da3_node_tree_p(node1);
+ btree2 = xfs_da3_node_tree_p(node2);
+ }
+ blk1->hashval = be32_to_cpu(btree1[nodehdr1.count - 1].hashval);
+ blk2->hashval = be32_to_cpu(btree2[nodehdr2.count - 1].hashval);
/*
* Adjust the expected index for insertion.
*/
- if (blk1->index >= be16_to_cpu(node1->hdr.count)) {
- blk2->index = blk1->index - be16_to_cpu(node1->hdr.count);
- blk1->index = be16_to_cpu(node1->hdr.count) + 1; /* make it invalid */
+ if (blk1->index >= nodehdr1.count) {
+ blk2->index = blk1->index - nodehdr1.count;
+ blk1->index = nodehdr1.count + 1; /* make it invalid */
}
}
@@ -633,18 +852,23 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
* Add a new entry to an intermediate node.
*/
STATIC void
-xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
- xfs_da_state_blk_t *newblk)
+xfs_da3_node_add(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *oldblk,
+ struct xfs_da_state_blk *newblk)
{
- xfs_da_intnode_t *node;
- xfs_da_node_entry_t *btree;
- int tmp;
+ struct xfs_da_intnode *node;
+ struct xfs_da3_icnode_hdr nodehdr;
+ struct xfs_da_node_entry *btree;
+ int tmp;
trace_xfs_da_node_add(state->args);
node = oldblk->bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- ASSERT((oldblk->index >= 0) && (oldblk->index <= be16_to_cpu(node->hdr.count)));
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
+
+ ASSERT(oldblk->index >= 0 && oldblk->index <= nodehdr.count);
ASSERT(newblk->blkno != 0);
if (state->args->whichfork == XFS_DATA_FORK)
ASSERT(newblk->blkno >= state->mp->m_dirleafblk &&
@@ -654,23 +878,25 @@ xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* We may need to make some room before we insert the new node.
*/
tmp = 0;
- btree = &node->btree[ oldblk->index ];
- if (oldblk->index < be16_to_cpu(node->hdr.count)) {
- tmp = (be16_to_cpu(node->hdr.count) - oldblk->index) * (uint)sizeof(*btree);
- memmove(btree + 1, btree, tmp);
+ if (oldblk->index < nodehdr.count) {
+ tmp = (nodehdr.count - oldblk->index) * (uint)sizeof(*btree);
+ memmove(&btree[oldblk->index + 1], &btree[oldblk->index], tmp);
}
- btree->hashval = cpu_to_be32(newblk->hashval);
- btree->before = cpu_to_be32(newblk->blkno);
+ btree[oldblk->index].hashval = cpu_to_be32(newblk->hashval);
+ btree[oldblk->index].before = cpu_to_be32(newblk->blkno);
xfs_trans_log_buf(state->args->trans, oldblk->bp,
- XFS_DA_LOGRANGE(node, btree, tmp + sizeof(*btree)));
- be16_add_cpu(&node->hdr.count, 1);
+ XFS_DA_LOGRANGE(node, &btree[oldblk->index],
+ tmp + sizeof(*btree)));
+
+ nodehdr.count += 1;
+ xfs_da3_node_hdr_to_disk(node, &nodehdr);
xfs_trans_log_buf(state->args->trans, oldblk->bp,
- XFS_DA_LOGRANGE(node, &node->hdr, sizeof(node->hdr)));
+ XFS_DA_LOGRANGE(node, &node->hdr, xfs_da3_node_hdr_size(node)));
/*
* Copy the last hash value from the oldblk to propagate upwards.
*/
- oldblk->hashval = be32_to_cpu(node->btree[be16_to_cpu(node->hdr.count)-1 ].hashval);
+ oldblk->hashval = be32_to_cpu(btree[nodehdr.count - 1].hashval);
}
/*========================================================================
@@ -682,14 +908,16 @@ xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
* possibly deallocating that block, etc...
*/
int
-xfs_da_join(xfs_da_state_t *state)
+xfs_da3_join(
+ struct xfs_da_state *state)
{
- xfs_da_state_blk_t *drop_blk, *save_blk;
- int action, error;
+ struct xfs_da_state_blk *drop_blk;
+ struct xfs_da_state_blk *save_blk;
+ int action = 0;
+ int error;
trace_xfs_da_join(state->args);
- action = 0;
drop_blk = &state->path.blk[ state->path.active-1 ];
save_blk = &state->altpath.blk[ state->path.active-1 ];
ASSERT(state->path.blk[0].magic == XFS_DA_NODE_MAGIC);
@@ -730,18 +958,18 @@ xfs_da_join(xfs_da_state_t *state)
* Remove the offending node, fixup hashvals,
* check for a toosmall neighbor.
*/
- xfs_da_node_remove(state, drop_blk);
- xfs_da_fixhashpath(state, &state->path);
- error = xfs_da_node_toosmall(state, &action);
+ xfs_da3_node_remove(state, drop_blk);
+ xfs_da3_fixhashpath(state, &state->path);
+ error = xfs_da3_node_toosmall(state, &action);
if (error)
return(error);
if (action == 0)
return 0;
- xfs_da_node_unbalance(state, drop_blk, save_blk);
+ xfs_da3_node_unbalance(state, drop_blk, save_blk);
break;
}
- xfs_da_fixhashpath(state, &state->altpath);
- error = xfs_da_blk_unlink(state, drop_blk, save_blk);
+ xfs_da3_fixhashpath(state, &state->altpath);
+ error = xfs_da3_blk_unlink(state, drop_blk, save_blk);
xfs_da_state_kill_altpath(state);
if (error)
return(error);
@@ -756,9 +984,9 @@ xfs_da_join(xfs_da_state_t *state)
* we only have one entry in the root, make the child block
* the new root.
*/
- xfs_da_node_remove(state, drop_blk);
- xfs_da_fixhashpath(state, &state->path);
- error = xfs_da_root_join(state, &state->path.blk[0]);
+ xfs_da3_node_remove(state, drop_blk);
+ xfs_da3_fixhashpath(state, &state->path);
+ error = xfs_da3_root_join(state, &state->path.blk[0]);
return(error);
}
@@ -772,8 +1000,10 @@ xfs_da_blkinfo_onlychild_validate(struct xfs_da_blkinfo *blkinfo, __u16 level)
ASSERT(magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC) ||
magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
- } else
- ASSERT(magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
+ } else {
+ ASSERT(magic == cpu_to_be16(XFS_DA_NODE_MAGIC) ||
+ magic == cpu_to_be16(XFS_DA3_NODE_MAGIC));
+ }
ASSERT(!blkinfo->forw);
ASSERT(!blkinfo->back);
}
@@ -786,52 +1016,60 @@ xfs_da_blkinfo_onlychild_validate(struct xfs_da_blkinfo *blkinfo, __u16 level)
* the old root to block 0 as the new root node.
*/
STATIC int
-xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk)
+xfs_da3_root_join(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *root_blk)
{
- xfs_da_intnode_t *oldroot;
- xfs_da_args_t *args;
- xfs_dablk_t child;
- struct xfs_buf *bp;
- int error;
+ struct xfs_da_intnode *oldroot;
+ struct xfs_da_args *args;
+ xfs_dablk_t child;
+ struct xfs_buf *bp;
+ struct xfs_da3_icnode_hdr oldroothdr;
+ struct xfs_da_node_entry *btree;
+ int error;
trace_xfs_da_root_join(state->args);
- args = state->args;
- ASSERT(args != NULL);
ASSERT(root_blk->magic == XFS_DA_NODE_MAGIC);
+
+ args = state->args;
oldroot = root_blk->bp->b_addr;
- ASSERT(oldroot->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- ASSERT(!oldroot->hdr.info.forw);
- ASSERT(!oldroot->hdr.info.back);
+ xfs_da3_node_hdr_from_disk(&oldroothdr, oldroot);
+ ASSERT(oldroothdr.forw == 0);
+ ASSERT(oldroothdr.back == 0);
/*
* If the root has more than one child, then don't do anything.
*/
- if (be16_to_cpu(oldroot->hdr.count) > 1)
- return(0);
+ if (oldroothdr.count > 1)
+ return 0;
/*
* Read in the (only) child block, then copy those bytes into
* the root block's buffer and free the original child block.
*/
- child = be32_to_cpu(oldroot->btree[0].before);
+ btree = xfs_da3_node_tree_p(oldroot);
+ child = be32_to_cpu(btree[0].before);
ASSERT(child != 0);
- error = xfs_da_node_read(args->trans, args->dp, child, -1, &bp,
+ error = xfs_da3_node_read(args->trans, args->dp, child, -1, &bp,
args->whichfork);
if (error)
- return(error);
- ASSERT(bp != NULL);
- xfs_da_blkinfo_onlychild_validate(bp->b_addr,
- be16_to_cpu(oldroot->hdr.level));
+ return error;
+ xfs_da_blkinfo_onlychild_validate(bp->b_addr, oldroothdr.level);
/*
* This could be copying a leaf back into the root block in the case of
* there only being a single leaf block left in the tree. Hence we have
* to update the b_ops pointer as well to match the buffer type change
- * that could occur.
+ * that could occur. For dir3 blocks we also need to update the block
+ * number in the buffer header.
*/
memcpy(root_blk->bp->b_addr, bp->b_addr, state->blocksize);
root_blk->bp->b_ops = bp->b_ops;
+ if (oldroothdr.magic == XFS_DA3_NODE_MAGIC) {
+ struct xfs_da3_blkinfo *da3 = root_blk->bp->b_addr;
+ da3->blkno = cpu_to_be64(root_blk->bp->b_bn);
+ }
xfs_trans_log_buf(args->trans, root_blk->bp, 0, state->blocksize - 1);
error = xfs_da_shrink_inode(args, child, bp);
return(error);
@@ -847,14 +1085,21 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk)
* If nothing can be done, return 0.
*/
STATIC int
-xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
+xfs_da3_node_toosmall(
+ struct xfs_da_state *state,
+ int *action)
{
- xfs_da_intnode_t *node;
- xfs_da_state_blk_t *blk;
- xfs_da_blkinfo_t *info;
- int count, forward, error, retval, i;
- xfs_dablk_t blkno;
- struct xfs_buf *bp;
+ struct xfs_da_intnode *node;
+ struct xfs_da_state_blk *blk;
+ struct xfs_da_blkinfo *info;
+ xfs_dablk_t blkno;
+ struct xfs_buf *bp;
+ struct xfs_da3_icnode_hdr nodehdr;
+ int count;
+ int forward;
+ int error;
+ int retval;
+ int i;
trace_xfs_da_node_toosmall(state->args);
@@ -865,10 +1110,9 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
*/
blk = &state->path.blk[ state->path.active-1 ];
info = blk->bp->b_addr;
- ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
node = (xfs_da_intnode_t *)info;
- count = be16_to_cpu(node->hdr.count);
- if (count > (state->node_ents >> 1)) {
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ if (nodehdr.count > (state->node_ents >> 1)) {
*action = 0; /* blk over 50%, don't try to join */
return(0); /* blk over 50%, don't try to join */
}
@@ -879,14 +1123,14 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
* coalesce it with a sibling block. We choose (arbitrarily)
* to merge with the forward block unless it is NULL.
*/
- if (count == 0) {
+ if (nodehdr.count == 0) {
/*
* Make altpath point to the block we want to keep and
* path point to the block we want to drop (this one).
*/
forward = (info->forw != 0);
memcpy(&state->altpath, &state->path, sizeof(state->path));
- error = xfs_da_path_shift(state, &state->altpath, forward,
+ error = xfs_da3_path_shift(state, &state->altpath, forward,
0, &retval);
if (error)
return(error);
@@ -905,35 +1149,34 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
* We prefer coalescing with the lower numbered sibling so as
* to shrink a directory over time.
*/
+ count = state->node_ents;
+ count -= state->node_ents >> 2;
+ count -= nodehdr.count;
+
/* start with smaller blk num */
- forward = (be32_to_cpu(info->forw) < be32_to_cpu(info->back));
+ forward = nodehdr.forw < nodehdr.back;
for (i = 0; i < 2; forward = !forward, i++) {
if (forward)
- blkno = be32_to_cpu(info->forw);
+ blkno = nodehdr.forw;
else
- blkno = be32_to_cpu(info->back);
+ blkno = nodehdr.back;
if (blkno == 0)
continue;
- error = xfs_da_node_read(state->args->trans, state->args->dp,
+ error = xfs_da3_node_read(state->args->trans, state->args->dp,
blkno, -1, &bp, state->args->whichfork);
if (error)
return(error);
- ASSERT(bp != NULL);
- node = (xfs_da_intnode_t *)info;
- count = state->node_ents;
- count -= state->node_ents >> 2;
- count -= be16_to_cpu(node->hdr.count);
node = bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- count -= be16_to_cpu(node->hdr.count);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
xfs_trans_brelse(state->args->trans, bp);
- if (count >= 0)
+
+ if (count - nodehdr.count >= 0)
break; /* fits with at least 25% to spare */
}
if (i >= 2) {
*action = 0;
- return(0);
+ return 0;
}
/*
@@ -942,28 +1185,42 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
*/
memcpy(&state->altpath, &state->path, sizeof(state->path));
if (blkno < blk->blkno) {
- error = xfs_da_path_shift(state, &state->altpath, forward,
+ error = xfs_da3_path_shift(state, &state->altpath, forward,
0, &retval);
- if (error) {
- return(error);
- }
- if (retval) {
- *action = 0;
- return(0);
- }
} else {
- error = xfs_da_path_shift(state, &state->path, forward,
+ error = xfs_da3_path_shift(state, &state->path, forward,
0, &retval);
- if (error) {
- return(error);
- }
- if (retval) {
- *action = 0;
- return(0);
- }
+ }
+ if (error)
+ return error;
+ if (retval) {
+ *action = 0;
+ return 0;
}
*action = 1;
- return(0);
+ return 0;
+}
+
+/*
+ * Pick up the last hashvalue from an intermediate node.
+ */
+STATIC uint
+xfs_da3_node_lasthash(
+ struct xfs_buf *bp,
+ int *count)
+{
+ struct xfs_da_intnode *node;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
+
+ node = bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ if (count)
+ *count = nodehdr.count;
+ if (!nodehdr.count)
+ return 0;
+ btree = xfs_da3_node_tree_p(node);
+ return be32_to_cpu(btree[nodehdr.count - 1].hashval);
}
/*
@@ -971,13 +1228,16 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
* when we stop making changes, return.
*/
void
-xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path)
+xfs_da3_fixhashpath(
+ struct xfs_da_state *state,
+ struct xfs_da_state_path *path)
{
- xfs_da_state_blk_t *blk;
- xfs_da_intnode_t *node;
- xfs_da_node_entry_t *btree;
- xfs_dahash_t lasthash=0;
- int level, count;
+ struct xfs_da_state_blk *blk;
+ struct xfs_da_intnode *node;
+ struct xfs_da_node_entry *btree;
+ xfs_dahash_t lasthash=0;
+ int level;
+ int count;
trace_xfs_da_fixhashpath(state->args);
@@ -995,23 +1255,26 @@ xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path)
return;
break;
case XFS_DA_NODE_MAGIC:
- lasthash = xfs_da_node_lasthash(blk->bp, &count);
+ lasthash = xfs_da3_node_lasthash(blk->bp, &count);
if (count == 0)
return;
break;
}
for (blk--, level--; level >= 0; blk--, level--) {
+ struct xfs_da3_icnode_hdr nodehdr;
+
node = blk->bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- btree = &node->btree[ blk->index ];
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
if (be32_to_cpu(btree->hashval) == lasthash)
break;
blk->hashval = lasthash;
- btree->hashval = cpu_to_be32(lasthash);
+ btree[blk->index].hashval = cpu_to_be32(lasthash);
xfs_trans_log_buf(state->args->trans, blk->bp,
- XFS_DA_LOGRANGE(node, btree, sizeof(*btree)));
+ XFS_DA_LOGRANGE(node, &btree[blk->index],
+ sizeof(*btree)));
- lasthash = be32_to_cpu(node->btree[be16_to_cpu(node->hdr.count)-1].hashval);
+ lasthash = be32_to_cpu(btree[nodehdr.count - 1].hashval);
}
}
@@ -1019,104 +1282,119 @@ xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path)
* Remove an entry from an intermediate node.
*/
STATIC void
-xfs_da_node_remove(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk)
+xfs_da3_node_remove(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *drop_blk)
{
- xfs_da_intnode_t *node;
- xfs_da_node_entry_t *btree;
- int tmp;
+ struct xfs_da_intnode *node;
+ struct xfs_da3_icnode_hdr nodehdr;
+ struct xfs_da_node_entry *btree;
+ int index;
+ int tmp;
trace_xfs_da_node_remove(state->args);
node = drop_blk->bp->b_addr;
- ASSERT(drop_blk->index < be16_to_cpu(node->hdr.count));
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ ASSERT(drop_blk->index < nodehdr.count);
ASSERT(drop_blk->index >= 0);
/*
* Copy over the offending entry, or just zero it out.
*/
- btree = &node->btree[drop_blk->index];
- if (drop_blk->index < (be16_to_cpu(node->hdr.count)-1)) {
- tmp = be16_to_cpu(node->hdr.count) - drop_blk->index - 1;
+ index = drop_blk->index;
+ btree = xfs_da3_node_tree_p(node);
+ if (index < nodehdr.count - 1) {
+ tmp = nodehdr.count - index - 1;
tmp *= (uint)sizeof(xfs_da_node_entry_t);
- memmove(btree, btree + 1, tmp);
+ memmove(&btree[index], &btree[index + 1], tmp);
xfs_trans_log_buf(state->args->trans, drop_blk->bp,
- XFS_DA_LOGRANGE(node, btree, tmp));
- btree = &node->btree[be16_to_cpu(node->hdr.count)-1];
+ XFS_DA_LOGRANGE(node, &btree[index], tmp));
+ index = nodehdr.count - 1;
}
- memset((char *)btree, 0, sizeof(xfs_da_node_entry_t));
+ memset(&btree[index], 0, sizeof(xfs_da_node_entry_t));
xfs_trans_log_buf(state->args->trans, drop_blk->bp,
- XFS_DA_LOGRANGE(node, btree, sizeof(*btree)));
- be16_add_cpu(&node->hdr.count, -1);
+ XFS_DA_LOGRANGE(node, &btree[index], sizeof(btree[index])));
+ nodehdr.count -= 1;
+ xfs_da3_node_hdr_to_disk(node, &nodehdr);
xfs_trans_log_buf(state->args->trans, drop_blk->bp,
- XFS_DA_LOGRANGE(node, &node->hdr, sizeof(node->hdr)));
+ XFS_DA_LOGRANGE(node, &node->hdr, xfs_da3_node_hdr_size(node)));
/*
* Copy the last hash value from the block to propagate upwards.
*/
- btree--;
- drop_blk->hashval = be32_to_cpu(btree->hashval);
+ drop_blk->hashval = be32_to_cpu(btree[index - 1].hashval);
}
/*
- * Unbalance the btree elements between two intermediate nodes,
+ * Unbalance the elements between two intermediate nodes,
* move all Btree elements from one node into another.
*/
STATIC void
-xfs_da_node_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
- xfs_da_state_blk_t *save_blk)
+xfs_da3_node_unbalance(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *drop_blk,
+ struct xfs_da_state_blk *save_blk)
{
- xfs_da_intnode_t *drop_node, *save_node;
- xfs_da_node_entry_t *btree;
- int tmp;
- xfs_trans_t *tp;
+ struct xfs_da_intnode *drop_node;
+ struct xfs_da_intnode *save_node;
+ struct xfs_da_node_entry *dbtree;
+ struct xfs_da_node_entry *sbtree;
+ struct xfs_da3_icnode_hdr dhdr;
+ struct xfs_da3_icnode_hdr shdr;
+ struct xfs_trans *tp;
+ int sindex;
+ int tmp;
trace_xfs_da_node_unbalance(state->args);
drop_node = drop_blk->bp->b_addr;
save_node = save_blk->bp->b_addr;
- ASSERT(drop_node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- ASSERT(save_node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
+ xfs_da3_node_hdr_from_disk(&dhdr, drop_node);
+ xfs_da3_node_hdr_from_disk(&shdr, save_node);
+ dbtree = xfs_da3_node_tree_p(drop_node);
+ sbtree = xfs_da3_node_tree_p(save_node);
tp = state->args->trans;
/*
* If the dying block has lower hashvals, then move all the
* elements in the remaining block up to make a hole.
*/
- if ((be32_to_cpu(drop_node->btree[0].hashval) < be32_to_cpu(save_node->btree[ 0 ].hashval)) ||
- (be32_to_cpu(drop_node->btree[be16_to_cpu(drop_node->hdr.count)-1].hashval) <
- be32_to_cpu(save_node->btree[be16_to_cpu(save_node->hdr.count)-1].hashval)))
- {
- btree = &save_node->btree[be16_to_cpu(drop_node->hdr.count)];
- tmp = be16_to_cpu(save_node->hdr.count) * (uint)sizeof(xfs_da_node_entry_t);
- memmove(btree, &save_node->btree[0], tmp);
- btree = &save_node->btree[0];
+ if ((be32_to_cpu(dbtree[0].hashval) < be32_to_cpu(sbtree[ 0 ].hashval)) ||
+ (be32_to_cpu(dbtree[dhdr.count - 1].hashval) <
+ be32_to_cpu(sbtree[shdr.count - 1].hashval))) {
+ /* XXX: check this - is memmove dst correct? */
+ tmp = shdr.count * (uint)sizeof(xfs_da_node_entry_t);
+ memmove(&sbtree[dhdr.count], &sbtree[0], tmp);
+
+ sindex = 0;
xfs_trans_log_buf(tp, save_blk->bp,
- XFS_DA_LOGRANGE(save_node, btree,
- (be16_to_cpu(save_node->hdr.count) + be16_to_cpu(drop_node->hdr.count)) *
- sizeof(xfs_da_node_entry_t)));
+ XFS_DA_LOGRANGE(save_node, &sbtree[0],
+ (shdr.count + dhdr.count) *
+ sizeof(xfs_da_node_entry_t)));
} else {
- btree = &save_node->btree[be16_to_cpu(save_node->hdr.count)];
+ sindex = shdr.count;
xfs_trans_log_buf(tp, save_blk->bp,
- XFS_DA_LOGRANGE(save_node, btree,
- be16_to_cpu(drop_node->hdr.count) *
- sizeof(xfs_da_node_entry_t)));
+ XFS_DA_LOGRANGE(save_node, &sbtree[sindex],
+ dhdr.count * sizeof(xfs_da_node_entry_t)));
}
/*
* Move all the B-tree elements from drop_blk to save_blk.
*/
- tmp = be16_to_cpu(drop_node->hdr.count) * (uint)sizeof(xfs_da_node_entry_t);
- memcpy(btree, &drop_node->btree[0], tmp);
- be16_add_cpu(&save_node->hdr.count, be16_to_cpu(drop_node->hdr.count));
+ tmp = dhdr.count * (uint)sizeof(xfs_da_node_entry_t);
+ memcpy(&sbtree[sindex], &dbtree[0], tmp);
+ shdr.count += dhdr.count;
+ xfs_da3_node_hdr_to_disk(save_node, &shdr);
xfs_trans_log_buf(tp, save_blk->bp,
XFS_DA_LOGRANGE(save_node, &save_node->hdr,
- sizeof(save_node->hdr)));
+ xfs_da3_node_hdr_size(save_node)));
/*
* Save the last hashval in the remaining block for upward propagation.
*/
- save_blk->hashval = be32_to_cpu(save_node->btree[be16_to_cpu(save_node->hdr.count)-1].hashval);
+ save_blk->hashval = be32_to_cpu(sbtree[shdr.count - 1].hashval);
}
/*========================================================================
@@ -1135,16 +1413,24 @@ xfs_da_node_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
* pruned depth-first tree search.
*/
int /* error */
-xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
+xfs_da3_node_lookup_int(
+ struct xfs_da_state *state,
+ int *result)
{
- xfs_da_state_blk_t *blk;
- xfs_da_blkinfo_t *curr;
- xfs_da_intnode_t *node;
- xfs_da_node_entry_t *btree;
- xfs_dablk_t blkno;
- int probe, span, max, error, retval;
- xfs_dahash_t hashval, btreehashval;
- xfs_da_args_t *args;
+ struct xfs_da_state_blk *blk;
+ struct xfs_da_blkinfo *curr;
+ struct xfs_da_intnode *node;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
+ struct xfs_da_args *args;
+ xfs_dablk_t blkno;
+ xfs_dahash_t hashval;
+ xfs_dahash_t btreehashval;
+ int probe;
+ int span;
+ int max;
+ int error;
+ int retval;
args = state->args;
@@ -1160,7 +1446,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
* Read the next node down in the tree.
*/
blk->blkno = blkno;
- error = xfs_da_node_read(args->trans, args->dp, blkno,
+ error = xfs_da3_node_read(args->trans, args->dp, blkno,
-1, &blk->bp, args->whichfork);
if (error) {
blk->blkno = 0;
@@ -1169,66 +1455,73 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
}
curr = blk->bp->b_addr;
blk->magic = be16_to_cpu(curr->magic);
- ASSERT(blk->magic == XFS_DA_NODE_MAGIC ||
- blk->magic == XFS_DIR2_LEAFN_MAGIC ||
- blk->magic == XFS_ATTR_LEAF_MAGIC);
+
+ if (blk->magic == XFS_ATTR_LEAF_MAGIC) {
+ blk->hashval = xfs_attr_leaf_lasthash(blk->bp, NULL);
+ break;
+ }
+
+ if (blk->magic == XFS_DIR2_LEAFN_MAGIC ||
+ blk->magic == XFS_DIR3_LEAFN_MAGIC) {
+ blk->magic = XFS_DIR2_LEAFN_MAGIC;
+ blk->hashval = xfs_dir2_leafn_lasthash(blk->bp, NULL);
+ break;
+ }
+
+ blk->magic = XFS_DA_NODE_MAGIC;
+
/*
* Search an intermediate node for a match.
*/
- if (blk->magic == XFS_DA_NODE_MAGIC) {
- node = blk->bp->b_addr;
- max = be16_to_cpu(node->hdr.count);
- blk->hashval = be32_to_cpu(node->btree[max-1].hashval);
+ node = blk->bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
- /*
- * Binary search. (note: small blocks will skip loop)
- */
- probe = span = max / 2;
- hashval = args->hashval;
- for (btree = &node->btree[probe]; span > 4;
- btree = &node->btree[probe]) {
- span /= 2;
- btreehashval = be32_to_cpu(btree->hashval);
- if (btreehashval < hashval)
- probe += span;
- else if (btreehashval > hashval)
- probe -= span;
- else
- break;
- }
- ASSERT((probe >= 0) && (probe < max));
- ASSERT((span <= 4) || (be32_to_cpu(btree->hashval) == hashval));
+ max = nodehdr.count;
+ blk->hashval = be32_to_cpu(btree[max - 1].hashval);
- /*
- * Since we may have duplicate hashval's, find the first
- * matching hashval in the node.
- */
- while ((probe > 0) && (be32_to_cpu(btree->hashval) >= hashval)) {
- btree--;
- probe--;
- }
- while ((probe < max) && (be32_to_cpu(btree->hashval) < hashval)) {
- btree++;
- probe++;
- }
+ /*
+ * Binary search. (note: small blocks will skip loop)
+ */
+ probe = span = max / 2;
+ hashval = args->hashval;
+ while (span > 4) {
+ span /= 2;
+ btreehashval = be32_to_cpu(btree[probe].hashval);
+ if (btreehashval < hashval)
+ probe += span;
+ else if (btreehashval > hashval)
+ probe -= span;
+ else
+ break;
+ }
+ ASSERT((probe >= 0) && (probe < max));
+ ASSERT((span <= 4) ||
+ (be32_to_cpu(btree[probe].hashval) == hashval));
- /*
- * Pick the right block to descend on.
- */
- if (probe == max) {
- blk->index = max-1;
- blkno = be32_to_cpu(node->btree[max-1].before);
- } else {
- blk->index = probe;
- blkno = be32_to_cpu(btree->before);
- }
- } else if (blk->magic == XFS_ATTR_LEAF_MAGIC) {
- blk->hashval = xfs_attr_leaf_lasthash(blk->bp, NULL);
- break;
- } else if (blk->magic == XFS_DIR2_LEAFN_MAGIC) {
- blk->hashval = xfs_dir2_leafn_lasthash(blk->bp, NULL);
- break;
+ /*
+ * Since we may have duplicate hashval's, find the first
+ * matching hashval in the node.
+ */
+ while (probe > 0 &&
+ be32_to_cpu(btree[probe].hashval) >= hashval) {
+ probe--;
+ }
+ while (probe < max &&
+ be32_to_cpu(btree[probe].hashval) < hashval) {
+ probe++;
+ }
+
+ /*
+ * Pick the right block to descend on.
+ */
+ if (probe == max) {
+ blk->index = max - 1;
+ blkno = be32_to_cpu(btree[max - 1].before);
+ } else {
+ blk->index = probe;
+ blkno = be32_to_cpu(btree[probe].before);
}
}
@@ -1252,7 +1545,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
}
if (((retval == ENOENT) || (retval == ENOATTR)) &&
(blk->hashval == args->hashval)) {
- error = xfs_da_path_shift(state, &state->path, 1, 1,
+ error = xfs_da3_path_shift(state, &state->path, 1, 1,
&retval);
if (error)
return(error);
@@ -1274,16 +1567,52 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
*========================================================================*/
/*
+ * Compare two intermediate nodes for "order".
+ */
+STATIC int
+xfs_da3_node_order(
+ struct xfs_buf *node1_bp,
+ struct xfs_buf *node2_bp)
+{
+ struct xfs_da_intnode *node1;
+ struct xfs_da_intnode *node2;
+ struct xfs_da_node_entry *btree1;
+ struct xfs_da_node_entry *btree2;
+ struct xfs_da3_icnode_hdr node1hdr;
+ struct xfs_da3_icnode_hdr node2hdr;
+
+ node1 = node1_bp->b_addr;
+ node2 = node2_bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&node1hdr, node1);
+ xfs_da3_node_hdr_from_disk(&node2hdr, node2);
+ btree1 = xfs_da3_node_tree_p(node1);
+ btree2 = xfs_da3_node_tree_p(node2);
+
+ if (node1hdr.count > 0 && node2hdr.count > 0 &&
+ ((be32_to_cpu(btree2[0].hashval) < be32_to_cpu(btree1[0].hashval)) ||
+ (be32_to_cpu(btree2[node2hdr.count - 1].hashval) <
+ be32_to_cpu(btree1[node1hdr.count - 1].hashval)))) {
+ return 1;
+ }
+ return 0;
+}
+
+/*
* Link a new block into a doubly linked list of blocks (of whatever type).
*/
int /* error */
-xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
- xfs_da_state_blk_t *new_blk)
+xfs_da3_blk_link(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *old_blk,
+ struct xfs_da_state_blk *new_blk)
{
- xfs_da_blkinfo_t *old_info, *new_info, *tmp_info;
- xfs_da_args_t *args;
- int before=0, error;
- struct xfs_buf *bp;
+ struct xfs_da_blkinfo *old_info;
+ struct xfs_da_blkinfo *new_info;
+ struct xfs_da_blkinfo *tmp_info;
+ struct xfs_da_args *args;
+ struct xfs_buf *bp;
+ int before = 0;
+ int error;
/*
* Set up environment.
@@ -1295,9 +1624,6 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
ASSERT(old_blk->magic == XFS_DA_NODE_MAGIC ||
old_blk->magic == XFS_DIR2_LEAFN_MAGIC ||
old_blk->magic == XFS_ATTR_LEAF_MAGIC);
- ASSERT(old_blk->magic == be16_to_cpu(old_info->magic));
- ASSERT(new_blk->magic == be16_to_cpu(new_info->magic));
- ASSERT(old_blk->magic == new_blk->magic);
switch (old_blk->magic) {
case XFS_ATTR_LEAF_MAGIC:
@@ -1307,7 +1633,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
before = xfs_dir2_leafn_order(old_blk->bp, new_blk->bp);
break;
case XFS_DA_NODE_MAGIC:
- before = xfs_da_node_order(old_blk->bp, new_blk->bp);
+ before = xfs_da3_node_order(old_blk->bp, new_blk->bp);
break;
}
@@ -1322,14 +1648,14 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
new_info->forw = cpu_to_be32(old_blk->blkno);
new_info->back = old_info->back;
if (old_info->back) {
- error = xfs_da_node_read(args->trans, args->dp,
+ error = xfs_da3_node_read(args->trans, args->dp,
be32_to_cpu(old_info->back),
-1, &bp, args->whichfork);
if (error)
return(error);
ASSERT(bp != NULL);
tmp_info = bp->b_addr;
- ASSERT(be16_to_cpu(tmp_info->magic) == be16_to_cpu(old_info->magic));
+ ASSERT(tmp_info->magic == old_info->magic);
ASSERT(be32_to_cpu(tmp_info->forw) == old_blk->blkno);
tmp_info->forw = cpu_to_be32(new_blk->blkno);
xfs_trans_log_buf(args->trans, bp, 0, sizeof(*tmp_info)-1);
@@ -1343,7 +1669,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
new_info->forw = old_info->forw;
new_info->back = cpu_to_be32(old_blk->blkno);
if (old_info->forw) {
- error = xfs_da_node_read(args->trans, args->dp,
+ error = xfs_da3_node_read(args->trans, args->dp,
be32_to_cpu(old_info->forw),
-1, &bp, args->whichfork);
if (error)
@@ -1364,59 +1690,20 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
}
/*
- * Compare two intermediate nodes for "order".
- */
-STATIC int
-xfs_da_node_order(
- struct xfs_buf *node1_bp,
- struct xfs_buf *node2_bp)
-{
- xfs_da_intnode_t *node1, *node2;
-
- node1 = node1_bp->b_addr;
- node2 = node2_bp->b_addr;
- ASSERT(node1->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC) &&
- node2->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- if ((be16_to_cpu(node1->hdr.count) > 0) && (be16_to_cpu(node2->hdr.count) > 0) &&
- ((be32_to_cpu(node2->btree[0].hashval) <
- be32_to_cpu(node1->btree[0].hashval)) ||
- (be32_to_cpu(node2->btree[be16_to_cpu(node2->hdr.count)-1].hashval) <
- be32_to_cpu(node1->btree[be16_to_cpu(node1->hdr.count)-1].hashval)))) {
- return(1);
- }
- return(0);
-}
-
-/*
- * Pick up the last hashvalue from an intermediate node.
- */
-STATIC uint
-xfs_da_node_lasthash(
- struct xfs_buf *bp,
- int *count)
-{
- xfs_da_intnode_t *node;
-
- node = bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- if (count)
- *count = be16_to_cpu(node->hdr.count);
- if (!node->hdr.count)
- return(0);
- return be32_to_cpu(node->btree[be16_to_cpu(node->hdr.count)-1].hashval);
-}
-
-/*
* Unlink a block from a doubly linked list of blocks.
*/
STATIC int /* error */
-xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
- xfs_da_state_blk_t *save_blk)
+xfs_da3_blk_unlink(
+ struct xfs_da_state *state,
+ struct xfs_da_state_blk *drop_blk,
+ struct xfs_da_state_blk *save_blk)
{
- xfs_da_blkinfo_t *drop_info, *save_info, *tmp_info;
- xfs_da_args_t *args;
- struct xfs_buf *bp;
- int error;
+ struct xfs_da_blkinfo *drop_info;
+ struct xfs_da_blkinfo *save_info;
+ struct xfs_da_blkinfo *tmp_info;
+ struct xfs_da_args *args;
+ struct xfs_buf *bp;
+ int error;
/*
* Set up environment.
@@ -1428,8 +1715,6 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
ASSERT(save_blk->magic == XFS_DA_NODE_MAGIC ||
save_blk->magic == XFS_DIR2_LEAFN_MAGIC ||
save_blk->magic == XFS_ATTR_LEAF_MAGIC);
- ASSERT(save_blk->magic == be16_to_cpu(save_info->magic));
- ASSERT(drop_blk->magic == be16_to_cpu(drop_info->magic));
ASSERT(save_blk->magic == drop_blk->magic);
ASSERT((be32_to_cpu(save_info->forw) == drop_blk->blkno) ||
(be32_to_cpu(save_info->back) == drop_blk->blkno));
@@ -1443,7 +1728,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
trace_xfs_da_unlink_back(args);
save_info->back = drop_info->back;
if (drop_info->back) {
- error = xfs_da_node_read(args->trans, args->dp,
+ error = xfs_da3_node_read(args->trans, args->dp,
be32_to_cpu(drop_info->back),
-1, &bp, args->whichfork);
if (error)
@@ -1460,7 +1745,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
trace_xfs_da_unlink_forward(args);
save_info->forw = drop_info->forw;
if (drop_info->forw) {
- error = xfs_da_node_read(args->trans, args->dp,
+ error = xfs_da3_node_read(args->trans, args->dp,
be32_to_cpu(drop_info->forw),
-1, &bp, args->whichfork);
if (error)
@@ -1488,15 +1773,22 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
* the new bottom and the root.
*/
int /* error */
-xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
- int forward, int release, int *result)
+xfs_da3_path_shift(
+ struct xfs_da_state *state,
+ struct xfs_da_state_path *path,
+ int forward,
+ int release,
+ int *result)
{
- xfs_da_state_blk_t *blk;
- xfs_da_blkinfo_t *info;
- xfs_da_intnode_t *node;
- xfs_da_args_t *args;
- xfs_dablk_t blkno=0;
- int level, error;
+ struct xfs_da_state_blk *blk;
+ struct xfs_da_blkinfo *info;
+ struct xfs_da_intnode *node;
+ struct xfs_da_args *args;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
+ xfs_dablk_t blkno = 0;
+ int level;
+ int error;
trace_xfs_da_path_shift(state->args);
@@ -1511,16 +1803,17 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
ASSERT((path->active > 0) && (path->active < XFS_DA_NODE_MAXDEPTH));
level = (path->active-1) - 1; /* skip bottom layer in path */
for (blk = &path->blk[level]; level >= 0; blk--, level--) {
- ASSERT(blk->bp != NULL);
node = blk->bp->b_addr;
- ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
- if (forward && (blk->index < be16_to_cpu(node->hdr.count)-1)) {
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
+
+ if (forward && (blk->index < nodehdr.count - 1)) {
blk->index++;
- blkno = be32_to_cpu(node->btree[blk->index].before);
+ blkno = be32_to_cpu(btree[blk->index].before);
break;
} else if (!forward && (blk->index > 0)) {
blk->index--;
- blkno = be32_to_cpu(node->btree[blk->index].before);
+ blkno = be32_to_cpu(btree[blk->index].before);
break;
}
}
@@ -1546,47 +1839,58 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
* Read the next child block.
*/
blk->blkno = blkno;
- error = xfs_da_node_read(args->trans, args->dp, blkno, -1,
+ error = xfs_da3_node_read(args->trans, args->dp, blkno, -1,
&blk->bp, args->whichfork);
if (error)
return(error);
- ASSERT(blk->bp != NULL);
info = blk->bp->b_addr;
ASSERT(info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC) ||
+ info->magic == cpu_to_be16(XFS_DA3_NODE_MAGIC) ||
info->magic == cpu_to_be16(XFS_DIR2_LEAFN_MAGIC) ||
info->magic == cpu_to_be16(XFS_DIR3_LEAFN_MAGIC) ||
info->magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
- blk->magic = be16_to_cpu(info->magic);
- if (blk->magic == XFS_DA_NODE_MAGIC) {
+
+
+ /*
+ * Note: we flatten the magic number to a single type so we
+ * don't have to compare against crc/non-crc types elsewhere.
+ */
+ switch (be16_to_cpu(info->magic)) {
+ case XFS_DA_NODE_MAGIC:
+ case XFS_DA3_NODE_MAGIC:
+ blk->magic = XFS_DA_NODE_MAGIC;
node = (xfs_da_intnode_t *)info;
- blk->hashval = be32_to_cpu(node->btree[be16_to_cpu(node->hdr.count)-1].hashval);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ btree = xfs_da3_node_tree_p(node);
+ blk->hashval = be32_to_cpu(btree[nodehdr.count - 1].hashval);
if (forward)
blk->index = 0;
else
- blk->index = be16_to_cpu(node->hdr.count)-1;
- blkno = be32_to_cpu(node->btree[blk->index].before);
- } else {
+ blk->index = nodehdr.count - 1;
+ blkno = be32_to_cpu(btree[blk->index].before);
+ break;
+ case XFS_ATTR_LEAF_MAGIC:
+ blk->magic = XFS_ATTR_LEAF_MAGIC;
ASSERT(level == path->active-1);
blk->index = 0;
- switch(blk->magic) {
- case XFS_ATTR_LEAF_MAGIC:
- blk->hashval = xfs_attr_leaf_lasthash(blk->bp,
- NULL);
- break;
- case XFS_DIR2_LEAFN_MAGIC:
- case XFS_DIR3_LEAFN_MAGIC:
- blk->magic = XFS_DIR2_LEAFN_MAGIC;
- blk->hashval = xfs_dir2_leafn_lasthash(blk->bp,
- NULL);
- break;
- default:
- ASSERT(0);
- break;
- }
+ blk->hashval = xfs_attr_leaf_lasthash(blk->bp,
+ NULL);
+ break;
+ case XFS_DIR2_LEAFN_MAGIC:
+ case XFS_DIR3_LEAFN_MAGIC:
+ blk->magic = XFS_DIR2_LEAFN_MAGIC;
+ ASSERT(level == path->active-1);
+ blk->index = 0;
+ blk->hashval = xfs_dir2_leafn_lasthash(blk->bp,
+ NULL);
+ break;
+ default:
+ ASSERT(0);
+ break;
}
}
*result = 0;
- return(0);
+ return 0;
}
@@ -1773,22 +2077,36 @@ xfs_da_grow_inode(
* a bmap btree split to do that.
*/
STATIC int
-xfs_da_swap_lastblock(
- xfs_da_args_t *args,
- xfs_dablk_t *dead_blknop,
- struct xfs_buf **dead_bufp)
+xfs_da3_swap_lastblock(
+ struct xfs_da_args *args,
+ xfs_dablk_t *dead_blknop,
+ struct xfs_buf **dead_bufp)
{
- xfs_dablk_t dead_blkno, last_blkno, sib_blkno, par_blkno;
- struct xfs_buf *dead_buf, *last_buf, *sib_buf, *par_buf;
- xfs_fileoff_t lastoff;
- xfs_inode_t *ip;
- xfs_trans_t *tp;
- xfs_mount_t *mp;
- int error, w, entno, level, dead_level;
- xfs_da_blkinfo_t *dead_info, *sib_info;
- xfs_da_intnode_t *par_node, *dead_node;
- xfs_dir2_leaf_t *dead_leaf2;
- xfs_dahash_t dead_hash;
+ struct xfs_da_blkinfo *dead_info;
+ struct xfs_da_blkinfo *sib_info;
+ struct xfs_da_intnode *par_node;
+ struct xfs_da_intnode *dead_node;
+ struct xfs_dir2_leaf *dead_leaf2;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr par_hdr;
+ struct xfs_inode *ip;
+ struct xfs_trans *tp;
+ struct xfs_mount *mp;
+ struct xfs_buf *dead_buf;
+ struct xfs_buf *last_buf;
+ struct xfs_buf *sib_buf;
+ struct xfs_buf *par_buf;
+ xfs_dahash_t dead_hash;
+ xfs_fileoff_t lastoff;
+ xfs_dablk_t dead_blkno;
+ xfs_dablk_t last_blkno;
+ xfs_dablk_t sib_blkno;
+ xfs_dablk_t par_blkno;
+ int error;
+ int w;
+ int entno;
+ int level;
+ int dead_level;
trace_xfs_da_swap_lastblock(args);
@@ -1812,7 +2130,7 @@ xfs_da_swap_lastblock(
* Read the last block in the btree space.
*/
last_blkno = (xfs_dablk_t)lastoff - mp->m_dirblkfsbs;
- error = xfs_da_node_read(tp, ip, last_blkno, -1, &last_buf, w);
+ error = xfs_da3_node_read(tp, ip, last_blkno, -1, &last_buf, w);
if (error)
return error;
/*
@@ -1835,17 +2153,22 @@ xfs_da_swap_lastblock(
dead_level = 0;
dead_hash = be32_to_cpu(ents[leafhdr.count - 1].hashval);
} else {
- ASSERT(dead_info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC));
+ struct xfs_da3_icnode_hdr deadhdr;
+
+ ASSERT(dead_info->magic == cpu_to_be16(XFS_DA_NODE_MAGIC) ||
+ dead_info->magic == cpu_to_be16(XFS_DA3_NODE_MAGIC));
dead_node = (xfs_da_intnode_t *)dead_info;
- dead_level = be16_to_cpu(dead_node->hdr.level);
- dead_hash = be32_to_cpu(dead_node->btree[be16_to_cpu(dead_node->hdr.count) - 1].hashval);
+ xfs_da3_node_hdr_from_disk(&deadhdr, dead_node);
+ btree = xfs_da3_node_tree_p(dead_node);
+ dead_level = deadhdr.level;
+ dead_hash = be32_to_cpu(btree[deadhdr.count - 1].hashval);
}
sib_buf = par_buf = NULL;
/*
* If the moved block has a left sibling, fix up the pointers.
*/
if ((sib_blkno = be32_to_cpu(dead_info->back))) {
- error = xfs_da_node_read(tp, ip, sib_blkno, -1, &sib_buf, w);
+ error = xfs_da3_node_read(tp, ip, sib_blkno, -1, &sib_buf, w);
if (error)
goto done;
sib_info = sib_buf->b_addr;
@@ -1867,7 +2190,7 @@ xfs_da_swap_lastblock(
* If the moved block has a right sibling, fix up the pointers.
*/
if ((sib_blkno = be32_to_cpu(dead_info->forw))) {
- error = xfs_da_node_read(tp, ip, sib_blkno, -1, &sib_buf, w);
+ error = xfs_da3_node_read(tp, ip, sib_blkno, -1, &sib_buf, w);
if (error)
goto done;
sib_info = sib_buf->b_addr;
@@ -1891,31 +2214,31 @@ xfs_da_swap_lastblock(
* Walk down the tree looking for the parent of the moved block.
*/
for (;;) {
- error = xfs_da_node_read(tp, ip, par_blkno, -1, &par_buf, w);
+ error = xfs_da3_node_read(tp, ip, par_blkno, -1, &par_buf, w);
if (error)
goto done;
par_node = par_buf->b_addr;
- if (unlikely(par_node->hdr.info.magic !=
- cpu_to_be16(XFS_DA_NODE_MAGIC) ||
- (level >= 0 && level != be16_to_cpu(par_node->hdr.level) + 1))) {
+ xfs_da3_node_hdr_from_disk(&par_hdr, par_node);
+ if (level >= 0 && level != par_hdr.level + 1) {
XFS_ERROR_REPORT("xfs_da_swap_lastblock(4)",
XFS_ERRLEVEL_LOW, mp);
error = XFS_ERROR(EFSCORRUPTED);
goto done;
}
- level = be16_to_cpu(par_node->hdr.level);
+ level = par_hdr.level;
+ btree = xfs_da3_node_tree_p(par_node);
for (entno = 0;
- entno < be16_to_cpu(par_node->hdr.count) &&
- be32_to_cpu(par_node->btree[entno].hashval) < dead_hash;
+ entno < par_hdr.count &&
+ be32_to_cpu(btree[entno].hashval) < dead_hash;
entno++)
continue;
- if (unlikely(entno == be16_to_cpu(par_node->hdr.count))) {
+ if (entno == par_hdr.count) {
XFS_ERROR_REPORT("xfs_da_swap_lastblock(5)",
XFS_ERRLEVEL_LOW, mp);
error = XFS_ERROR(EFSCORRUPTED);
goto done;
}
- par_blkno = be32_to_cpu(par_node->btree[entno].before);
+ par_blkno = be32_to_cpu(btree[entno].before);
if (level == dead_level + 1)
break;
xfs_trans_brelse(tp, par_buf);
@@ -1927,13 +2250,13 @@ xfs_da_swap_lastblock(
*/
for (;;) {
for (;
- entno < be16_to_cpu(par_node->hdr.count) &&
- be32_to_cpu(par_node->btree[entno].before) != last_blkno;
+ entno < par_hdr.count &&
+ be32_to_cpu(btree[entno].before) != last_blkno;
entno++)
continue;
- if (entno < be16_to_cpu(par_node->hdr.count))
+ if (entno < par_hdr.count)
break;
- par_blkno = be32_to_cpu(par_node->hdr.info.forw);
+ par_blkno = par_hdr.forw;
xfs_trans_brelse(tp, par_buf);
par_buf = NULL;
if (unlikely(par_blkno == 0)) {
@@ -1942,27 +2265,27 @@ xfs_da_swap_lastblock(
error = XFS_ERROR(EFSCORRUPTED);
goto done;
}
- error = xfs_da_node_read(tp, ip, par_blkno, -1, &par_buf, w);
+ error = xfs_da3_node_read(tp, ip, par_blkno, -1, &par_buf, w);
if (error)
goto done;
par_node = par_buf->b_addr;
- if (unlikely(
- be16_to_cpu(par_node->hdr.level) != level ||
- par_node->hdr.info.magic != cpu_to_be16(XFS_DA_NODE_MAGIC))) {
+ xfs_da3_node_hdr_from_disk(&par_hdr, par_node);
+ if (par_hdr.level != level) {
XFS_ERROR_REPORT("xfs_da_swap_lastblock(7)",
XFS_ERRLEVEL_LOW, mp);
error = XFS_ERROR(EFSCORRUPTED);
goto done;
}
+ btree = xfs_da3_node_tree_p(par_node);
entno = 0;
}
/*
* Update the parent entry pointing to the moved block.
*/
- par_node->btree[entno].before = cpu_to_be32(dead_blkno);
+ btree[entno].before = cpu_to_be32(dead_blkno);
xfs_trans_log_buf(tp, par_buf,
- XFS_DA_LOGRANGE(par_node, &par_node->btree[entno].before,
- sizeof(par_node->btree[entno].before)));
+ XFS_DA_LOGRANGE(par_node, &btree[entno].before,
+ sizeof(btree[entno].before)));
*dead_blknop = last_blkno;
*dead_bufp = last_buf;
return 0;
@@ -2004,14 +2327,15 @@ xfs_da_shrink_inode(
* Remove extents. If we get ENOSPC for a dir we have to move
* the last block to the place we want to kill.
*/
- if ((error = xfs_bunmapi(tp, dp, dead_blkno, count,
- xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA,
- 0, args->firstblock, args->flist,
- &done)) == ENOSPC) {
+ error = xfs_bunmapi(tp, dp, dead_blkno, count,
+ xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA,
+ 0, args->firstblock, args->flist, &done);
+ if (error == ENOSPC) {
if (w != XFS_DATA_FORK)
break;
- if ((error = xfs_da_swap_lastblock(args, &dead_blkno,
- &dead_buf)))
+ error = xfs_da3_swap_lastblock(args, &dead_blkno,
+ &dead_buf);
+ if (error)
break;
} else {
break;
@@ -2276,6 +2600,7 @@ xfs_da_read_buf(
magic1 = be32_to_cpu(hdr->magic);
if (unlikely(
XFS_TEST_ERROR((magic != XFS_DA_NODE_MAGIC) &&
+ (magic != XFS_DA3_NODE_MAGIC) &&
(magic != XFS_ATTR_LEAF_MAGIC) &&
(magic != XFS_DIR2_LEAF1_MAGIC) &&
(magic != XFS_DIR3_LEAF1_MAGIC) &&
@@ -2346,41 +2671,3 @@ out_free:
return -1;
return mappedbno;
}
-
-kmem_zone_t *xfs_da_state_zone; /* anchor for state struct zone */
-
-/*
- * Allocate a dir-state structure.
- * We don't put them on the stack since they're large.
- */
-xfs_da_state_t *
-xfs_da_state_alloc(void)
-{
- return kmem_zone_zalloc(xfs_da_state_zone, KM_NOFS);
-}
-
-/*
- * Kill the altpath contents of a da-state structure.
- */
-STATIC void
-xfs_da_state_kill_altpath(xfs_da_state_t *state)
-{
- int i;
-
- for (i = 0; i < state->altpath.active; i++)
- state->altpath.blk[i].bp = NULL;
- state->altpath.active = 0;
-}
-
-/*
- * Free a da-state structure.
- */
-void
-xfs_da_state_free(xfs_da_state_t *state)
-{
- xfs_da_state_kill_altpath(state);
-#ifdef DEBUG
- memset((char *)state, 0, sizeof(*state));
-#endif /* DEBUG */
- kmem_zone_free(xfs_da_state_zone, state);
-}
diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c
index 9b93816..9e75553 100644
--- a/libxfs/xfs_dir2_node.c
+++ b/libxfs/xfs_dir2_node.c
@@ -1356,7 +1356,7 @@ xfs_dir2_leafn_split(
* block into the leaves.
*/
xfs_dir2_leafn_rebalance(state, oldblk, newblk);
- error = xfs_da_blk_link(state, oldblk, newblk);
+ error = xfs_da3_blk_link(state, oldblk, newblk);
if (error) {
return error;
}
@@ -1437,7 +1437,7 @@ xfs_dir2_leafn_toosmall(
*/
forward = (leafhdr.forw != 0);
memcpy(&state->altpath, &state->path, sizeof(state->path));
- error = xfs_da_path_shift(state, &state->altpath, forward, 0,
+ error = xfs_da3_path_shift(state, &state->altpath, forward, 0,
&rval);
if (error)
return error;
@@ -1499,10 +1499,10 @@ xfs_dir2_leafn_toosmall(
*/
memcpy(&state->altpath, &state->path, sizeof(state->path));
if (blkno < blk->blkno)
- error = xfs_da_path_shift(state, &state->altpath, forward, 0,
+ error = xfs_da3_path_shift(state, &state->altpath, forward, 0,
&rval);
else
- error = xfs_da_path_shift(state, &state->path, forward, 0,
+ error = xfs_da3_path_shift(state, &state->path, forward, 0,
&rval);
if (error) {
return error;
@@ -1599,7 +1599,7 @@ xfs_dir2_node_addname(
* Look up the name. We're not supposed to find it, but
* this gives us the insertion point.
*/
- error = xfs_da_node_lookup_int(state, &rval);
+ error = xfs_da3_node_lookup_int(state, &rval);
if (error)
rval = error;
if (rval != ENOENT) {
@@ -1625,7 +1625,7 @@ xfs_dir2_node_addname(
* It worked, fix the hash values up the btree.
*/
if (!(args->op_flags & XFS_DA_OP_JUSTCHECK))
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
} else {
/*
* It didn't work, we need to split the leaf block.
@@ -1637,7 +1637,7 @@ xfs_dir2_node_addname(
/*
* Split the leaf block and insert the new entry.
*/
- rval = xfs_da_split(state);
+ rval = xfs_da3_split(state);
}
done:
xfs_da_state_free(state);
@@ -2015,7 +2015,7 @@ xfs_dir2_node_addname_int(
/*
* Lookup an entry in a node-format directory.
- * All the real work happens in xfs_da_node_lookup_int.
+ * All the real work happens in xfs_da3_node_lookup_int.
* The only real output is the inode number of the entry.
*/
int /* error */
@@ -2040,7 +2040,7 @@ xfs_dir2_node_lookup(
/*
* Fill in the path to the entry in the cursor.
*/
- error = xfs_da_node_lookup_int(state, &rval);
+ error = xfs_da3_node_lookup_int(state, &rval);
if (error)
rval = error;
else if (rval == ENOENT && args->cmpresult == XFS_CMP_CASE) {
@@ -2095,7 +2095,7 @@ xfs_dir2_node_removename(
/*
* Look up the entry we're deleting, set up the cursor.
*/
- error = xfs_da_node_lookup_int(state, &rval);
+ error = xfs_da3_node_lookup_int(state, &rval);
if (error)
rval = error;
/*
@@ -2119,12 +2119,12 @@ xfs_dir2_node_removename(
/*
* Fix the hash values up the btree.
*/
- xfs_da_fixhashpath(state, &state->path);
+ xfs_da3_fixhashpath(state, &state->path);
/*
* If we need to join leaf blocks, do it.
*/
if (rval && state->path.active > 1)
- error = xfs_da_join(state);
+ error = xfs_da3_join(state);
/*
* If no errors so far, try conversion to leaf format.
*/
@@ -2166,7 +2166,7 @@ xfs_dir2_node_replace(
/*
* Lookup the entry to change in the btree.
*/
- error = xfs_da_node_lookup_int(state, &rval);
+ error = xfs_da3_node_lookup_int(state, &rval);
if (error) {
rval = error;
}
diff --git a/repair/attr_repair.c b/repair/attr_repair.c
index 758e492..4897fba 100644
--- a/repair/attr_repair.c
+++ b/repair/attr_repair.c
@@ -147,6 +147,8 @@ traverse_int_dablock(xfs_mount_t *mp,
xfs_da_intnode_t *node;
xfs_dfsbno_t fsbno;
xfs_buf_t *bp;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
/*
* traverse down left-side of tree until we hit the
@@ -182,20 +184,22 @@ traverse_int_dablock(xfs_mount_t *mp,
}
node = (xfs_da_intnode_t *)XFS_BUF_PTR(bp);
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
- if (be16_to_cpu(node->hdr.info.magic) != XFS_DA_NODE_MAGIC) {
+ if (nodehdr.magic != XFS_DA_NODE_MAGIC) {
do_warn(_("bad dir/attr magic number in inode %" PRIu64 ", "
"file bno = %u, fsbno = %" PRIu64 "\n"),
da_cursor->ino, bno, fsbno);
libxfs_putbuf(bp);
goto error_out;
}
- if (be16_to_cpu(node->hdr.count) >
- mp->m_dir_node_ents) {
+
+ if (nodehdr.count > mp->m_dir_node_ents) {
do_warn(_("bad record count in inode %" PRIu64 ", "
"count = %d, max = %d\n"),
da_cursor->ino,
- be16_to_cpu(node->hdr.count),
+ nodehdr.count,
mp->m_dir_node_ents);
libxfs_putbuf(bp);
goto error_out;
@@ -205,9 +209,9 @@ traverse_int_dablock(xfs_mount_t *mp,
* maintain level counter
*/
if (i == -1)
- i = da_cursor->active = be16_to_cpu(node->hdr.level);
+ i = da_cursor->active = nodehdr.level;
else {
- if (be16_to_cpu(node->hdr.level) == i - 1) {
+ if (nodehdr.level == i - 1) {
i--;
} else {
if (whichfork == XFS_DATA_FORK)
@@ -223,8 +227,7 @@ traverse_int_dablock(xfs_mount_t *mp,
}
}
- da_cursor->level[i].hashval = be32_to_cpu(
- node->btree[0].hashval);
+ da_cursor->level[i].hashval = be32_to_cpu(btree[0].hashval);
da_cursor->level[i].bp = bp;
da_cursor->level[i].bno = bno;
da_cursor->level[i].index = 0;
@@ -235,7 +238,7 @@ traverse_int_dablock(xfs_mount_t *mp,
/*
* set up new bno for next level down
*/
- bno = be32_to_cpu(node->btree[0].before);
+ bno = be32_to_cpu(btree[0].before);
} while (node != NULL && i > 1);
/*
@@ -319,6 +322,8 @@ verify_final_da_path(xfs_mount_t *mp,
int bad = 0;
int entry;
int this_level = p_level + 1;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
#ifdef XR_DIR_TRACE
fprintf(stderr, "in verify_final_da_path, this_level = %d\n",
@@ -330,32 +335,35 @@ verify_final_da_path(xfs_mount_t *mp,
*/
entry = cursor->level[this_level].index;
node = (xfs_da_intnode_t *)XFS_BUF_PTR(cursor->level[this_level].bp);
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
+
/*
* check internal block consistency on this level -- ensure
* that all entries are used, encountered and expected hashvals
* match, etc.
*/
- if (entry != be16_to_cpu(node->hdr.count) - 1) {
+ if (entry != nodehdr.count - 1) {
do_warn(_("directory/attribute block used/count "
"inconsistency - %d/%hu\n"),
- entry, be16_to_cpu(node->hdr.count));
+ entry, nodehdr.count);
bad++;
}
/*
* hash values monotonically increasing ???
*/
if (cursor->level[this_level].hashval >=
- be32_to_cpu(node->btree[entry].hashval)) {
+ be32_to_cpu(btree[entry].hashval)) {
do_warn(_("directory/attribute block hashvalue inconsistency, "
"expected > %u / saw %u\n"),
cursor->level[this_level].hashval,
- be32_to_cpu(node->btree[entry].hashval));
+ be32_to_cpu(btree[entry].hashval));
bad++;
}
- if (be32_to_cpu(node->hdr.info.forw) != 0) {
+ if (nodehdr.forw != 0) {
do_warn(_("bad directory/attribute forward block pointer, "
"expected 0, saw %u\n"),
- be32_to_cpu(node->hdr.info.forw));
+ nodehdr.forw);
bad++;
}
if (bad) {
@@ -373,12 +381,11 @@ verify_final_da_path(xfs_mount_t *mp,
/*
* ok, now check descendant block number against this level
*/
- if (cursor->level[p_level].bno != be32_to_cpu(
- node->btree[entry].before)) {
+ if (cursor->level[p_level].bno != be32_to_cpu(btree[entry].before)) {
#ifdef XR_DIR_TRACE
fprintf(stderr, "bad directory btree pointer, child bno should "
"be %d, block bno is %d, hashval is %u\n",
- be16_to_cpu(node->btree[entry].before),
+ be16_to_cpu(btree[entry].before),
cursor->level[p_level].bno,
cursor->level[p_level].hashval);
fprintf(stderr, "verify_final_da_path returns 1 (bad) #1a\n");
@@ -386,14 +393,13 @@ verify_final_da_path(xfs_mount_t *mp,
return(1);
}
- if (cursor->level[p_level].hashval != be32_to_cpu(
- node->btree[entry].hashval)) {
+ if (cursor->level[p_level].hashval != be32_to_cpu(btree[entry].hashval)) {
if (!no_modify) {
do_warn(_("correcting bad hashval in non-leaf "
"dir/attr block\n\tin (level %d) in "
"inode %" PRIu64 ".\n"),
this_level, cursor->ino);
- node->btree[entry].hashval = cpu_to_be32(
+ btree[entry].hashval = cpu_to_be32(
cursor->level[p_level].hashval);
cursor->level[this_level].dirty++;
} else {
@@ -408,7 +414,7 @@ verify_final_da_path(xfs_mount_t *mp,
* Note: squirrel hashval away _before_ releasing the
* buffer, preventing a use-after-free problem.
*/
- hashval = be32_to_cpu(node->btree[entry].hashval);
+ hashval = be32_to_cpu(btree[entry].hashval);
/*
* release/write buffer
@@ -492,6 +498,8 @@ verify_da_path(xfs_mount_t *mp,
int bad;
int entry;
int this_level = p_level + 1;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
/*
* index is currently set to point to the entry that
@@ -499,20 +507,22 @@ verify_da_path(xfs_mount_t *mp,
*/
entry = cursor->level[this_level].index;
node = (xfs_da_intnode_t *)XFS_BUF_PTR(cursor->level[this_level].bp);
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
/*
* if this block is out of entries, validate this
* block and move on to the next block.
* and update cursor value for said level
*/
- if (entry >= be16_to_cpu(node->hdr.count)) {
+ if (entry >= nodehdr.count) {
/*
* update the hash value for this level before
* validating it. bno value should be ok since
* it was set when the block was first read in.
*/
cursor->level[this_level].hashval =
- be32_to_cpu(node->btree[entry - 1].hashval);
+ be32_to_cpu(btree[entry - 1].hashval);
/*
* keep track of greatest block # -- that gets
@@ -530,7 +540,7 @@ verify_da_path(xfs_mount_t *mp,
/*
* ok, now get the next buffer and check sibling pointers
*/
- dabno = be32_to_cpu(node->hdr.info.forw);
+ dabno = nodehdr.forw;
ASSERT(dabno != 0);
fsbno = blkmap_get(cursor->blkmap, dabno);
@@ -551,36 +561,37 @@ verify_da_path(xfs_mount_t *mp,
}
newnode = (xfs_da_intnode_t *)XFS_BUF_PTR(bp);
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, newnode);
/*
* verify magic number and back pointer, sanity-check
* entry count, verify level
*/
bad = 0;
- if (XFS_DA_NODE_MAGIC != be16_to_cpu(newnode->hdr.info.magic)) {
+ if (XFS_DA_NODE_MAGIC != nodehdr.magic) {
do_warn(
_("bad magic number %x in block %u (%" PRIu64 ") for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.info.magic),
+ nodehdr.magic,
dabno, fsbno, cursor->ino);
bad++;
}
- if (be32_to_cpu(newnode->hdr.info.back) !=
- cursor->level[this_level].bno) {
+ if (nodehdr.back != cursor->level[this_level].bno) {
do_warn(
_("bad back pointer in block %u (%"PRIu64 ") for directory inode %" PRIu64 "\n"),
dabno, fsbno, cursor->ino);
bad++;
}
- if (be16_to_cpu(newnode->hdr.count) > mp->m_dir_node_ents) {
+ if (nodehdr.count > mp->m_dir_node_ents) {
do_warn(
_("entry count %d too large in block %u (%" PRIu64 ") for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.count),
+ nodehdr.count,
dabno, fsbno, cursor->ino);
bad++;
}
- if (be16_to_cpu(newnode->hdr.level) != this_level) {
+ if (nodehdr.level != this_level) {
do_warn(
_("bad level %d in block %u (%" PRIu64 ") for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.level),
+ nodehdr.level,
dabno, fsbno, cursor->ino);
bad++;
}
@@ -606,7 +617,7 @@ verify_da_path(xfs_mount_t *mp,
cursor->level[this_level].dirty = 0;
cursor->level[this_level].bno = dabno;
cursor->level[this_level].hashval =
- be32_to_cpu(newnode->btree[0].hashval);
+ be32_to_cpu(btree[0].hashval);
#ifdef XR_DIR_TRACE
cursor->level[this_level].n = newnode;
#endif
@@ -617,12 +628,11 @@ verify_da_path(xfs_mount_t *mp,
/*
* ditto for block numbers
*/
- if (cursor->level[p_level].bno !=
- be32_to_cpu(node->btree[entry].before)) {
+ if (cursor->level[p_level].bno != be32_to_cpu(btree[entry].before)) {
#ifdef XR_DIR_TRACE
fprintf(stderr, "bad directory btree pointer, child bno "
"should be %d, block bno is %d, hashval is %u\n",
- be32_to_cpu(node->btree[entry].before),
+ be32_to_cpu(btree[entry].before),
cursor->level[p_level].bno,
cursor->level[p_level].hashval);
fprintf(stderr, "verify_da_path returns 1 (bad) #1a\n");
@@ -634,13 +644,13 @@ verify_da_path(xfs_mount_t *mp,
* block against the hashval in the current entry
*/
if (cursor->level[p_level].hashval !=
- be32_to_cpu(node->btree[entry].hashval)) {
+ be32_to_cpu(btree[entry].hashval)) {
if (!no_modify) {
do_warn(_("correcting bad hashval in interior "
"dir/attr block\n\tin (level %d) in "
"inode %" PRIu64 ".\n"),
this_level, cursor->ino);
- node->btree[entry].hashval = cpu_to_be32(
+ btree[entry].hashval = cpu_to_be32(
cursor->level[p_level].hashval);
cursor->level[this_level].dirty++;
} else {
diff --git a/repair/dir2.c b/repair/dir2.c
index 2f13864..ae80a6b 100644
--- a/repair/dir2.c
+++ b/repair/dir2.c
@@ -147,9 +147,10 @@ traverse_int_dir2block(xfs_mount_t *mp,
struct xfs_buf *bp;
int i;
int nex;
- xfs_da_blkinfo_t *info;
xfs_da_intnode_t *node;
bmap_ext_t lbmp;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
/*
* traverse down left-side of tree until we hit the
@@ -158,7 +159,7 @@ traverse_int_dir2block(xfs_mount_t *mp,
*/
bno = mp->m_dirleafblk;
i = -1;
- info = NULL;
+ node = NULL;
da_cursor->active = 0;
do {
@@ -181,9 +182,10 @@ _("can't read block %u for directory inode %" PRIu64 "\n"),
goto error_out;
}
- info = bp->b_addr;
+ node = bp->b_addr;
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
- if (be16_to_cpu(info->magic) == XFS_DIR2_LEAFN_MAGIC) {
+ if (nodehdr.magic == XFS_DIR2_LEAFN_MAGIC) {
if ( i != -1 ) {
do_warn(
_("found non-root LEAFN node in inode %" PRIu64 " bno = %u\n"),
@@ -192,20 +194,21 @@ _("found non-root LEAFN node in inode %" PRIu64 " bno = %u\n"),
*rbno = 0;
libxfs_putbuf(bp);
return(1);
- } else if (be16_to_cpu(info->magic) != XFS_DA_NODE_MAGIC) {
+ } else if (nodehdr.magic != XFS_DA_NODE_MAGIC) {
libxfs_putbuf(bp);
do_warn(
_("bad dir magic number 0x%x in inode %" PRIu64 " bno = %u\n"),
- be16_to_cpu(info->magic),
+ nodehdr.magic,
da_cursor->ino, bno);
goto error_out;
}
- node = (xfs_da_intnode_t*)info;
- if (be16_to_cpu(node->hdr.count) > mp->m_dir_node_ents) {
+ btree = xfs_da3_node_tree_p(node);
+ if (nodehdr.count > mp->m_dir_node_ents) {
libxfs_putbuf(bp);
do_warn(
-_("bad record count in inode %" PRIu64 ", count = %d, max = %d\n"), da_cursor->ino,
- be16_to_cpu(node->hdr.count),
+_("bad record count in inode %" PRIu64 ", count = %d, max = %d\n"),
+ da_cursor->ino,
+ nodehdr.count,
mp->m_dir_node_ents);
goto error_out;
}
@@ -213,7 +216,7 @@ _("bad record count in inode %" PRIu64 ", count = %d, max = %d\n"), da_cursor->i
* maintain level counter
*/
if (i == -1) {
- i = da_cursor->active = be16_to_cpu(node->hdr.level);
+ i = da_cursor->active = nodehdr.level;
if (i >= XFS_DA_NODE_MAXDEPTH) {
do_warn(
_("bad header depth for directory inode %" PRIu64 "\n"),
@@ -223,7 +226,7 @@ _("bad header depth for directory inode %" PRIu64 "\n"),
goto error_out;
}
} else {
- if (be16_to_cpu(node->hdr.level) == i - 1) {
+ if (nodehdr.level == i - 1) {
i--;
} else {
do_warn(
@@ -234,8 +237,7 @@ _("bad directory btree for directory inode %" PRIu64 "\n"),
}
}
- da_cursor->level[i].hashval =
- be32_to_cpu(node->btree[0].hashval);
+ da_cursor->level[i].hashval = be32_to_cpu(btree[0].hashval);
da_cursor->level[i].bp = bp;
da_cursor->level[i].bno = bno;
da_cursor->level[i].index = 0;
@@ -243,8 +245,8 @@ _("bad directory btree for directory inode %" PRIu64 "\n"),
/*
* set up new bno for next level down
*/
- bno = be32_to_cpu(node->btree[0].before);
- } while (info != NULL && i > 1);
+ bno = be32_to_cpu(btree[0].before);
+ } while (node != NULL && i > 1);
/*
* now return block number and get out
@@ -326,6 +328,8 @@ verify_final_dir2_path(xfs_mount_t *mp,
int bad = 0;
int entry;
int this_level = p_level + 1;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
/*
* the index should point to the next "unprocessed" entry
@@ -333,32 +337,34 @@ verify_final_dir2_path(xfs_mount_t *mp,
*/
entry = cursor->level[this_level].index;
node = (xfs_da_intnode_t *)(cursor->level[this_level].bp->b_addr);
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
/*
* check internal block consistency on this level -- ensure
* that all entries are used, encountered and expected hashvals
* match, etc.
*/
- if (entry != be16_to_cpu(node->hdr.count) - 1) {
+ if (entry != nodehdr.count - 1) {
do_warn(
_("directory block used/count inconsistency - %d / %hu\n"),
- entry, be16_to_cpu(node->hdr.count));
+ entry, nodehdr.count);
bad++;
}
/*
* hash values monotonically increasing ???
*/
if (cursor->level[this_level].hashval >=
- be32_to_cpu(node->btree[entry].hashval)) {
+ be32_to_cpu(btree[entry].hashval)) {
do_warn(_("directory/attribute block hashvalue inconsistency, "
"expected > %u / saw %u\n"),
cursor->level[this_level].hashval,
- be32_to_cpu(node->btree[entry].hashval));
+ be32_to_cpu(btree[entry].hashval));
bad++;
}
- if (be32_to_cpu(node->hdr.info.forw) != 0) {
+ if (nodehdr.forw != 0) {
do_warn(_("bad directory/attribute forward block pointer, "
"expected 0, saw %u\n"),
- be32_to_cpu(node->hdr.info.forw));
+ nodehdr.forw);
bad++;
}
if (bad) {
@@ -375,18 +381,17 @@ verify_final_dir2_path(xfs_mount_t *mp,
/*
* ok, now check descendant block number against this level
*/
- if (cursor->level[p_level].bno !=
- be32_to_cpu(node->btree[entry].before))
+ if (cursor->level[p_level].bno != be32_to_cpu(btree[entry].before))
return(1);
if (cursor->level[p_level].hashval !=
- be32_to_cpu(node->btree[entry].hashval)) {
+ be32_to_cpu(btree[entry].hashval)) {
if (!no_modify) {
do_warn(
_("correcting bad hashval in non-leaf dir block\n"
"\tin (level %d) in inode %" PRIu64 ".\n"),
this_level, cursor->ino);
- node->btree[entry].hashval = cpu_to_be32(
+ btree[entry].hashval = cpu_to_be32(
cursor->level[p_level].hashval);
cursor->level[this_level].dirty++;
} else {
@@ -419,8 +424,7 @@ _("would correct bad hashval in non-leaf dir block\n"
* set hashvalue to correctl reflect the now-validated
* last entry in this block and continue upwards validation
*/
- cursor->level[this_level].hashval =
- be32_to_cpu(node->btree[entry].hashval);
+ cursor->level[this_level].hashval = be32_to_cpu(btree[entry].hashval);
return(verify_final_dir2_path(mp, cursor, this_level));
}
@@ -479,6 +483,8 @@ verify_dir2_path(xfs_mount_t *mp,
bmap_ext_t *bmp;
int nex;
bmap_ext_t lbmp;
+ struct xfs_da_node_entry *btree;
+ struct xfs_da3_icnode_hdr nodehdr;
/*
* index is currently set to point to the entry that
@@ -486,20 +492,22 @@ verify_dir2_path(xfs_mount_t *mp,
*/
entry = cursor->level[this_level].index;
node = cursor->level[this_level].bp->b_addr;
+ btree = xfs_da3_node_tree_p(node);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
/*
* if this block is out of entries, validate this
* block and move on to the next block.
* and update cursor value for said level
*/
- if (entry >= be16_to_cpu(node->hdr.count)) {
+ if (entry >= nodehdr.count) {
/*
* update the hash value for this level before
* validating it. bno value should be ok since
* it was set when the block was first read in.
*/
cursor->level[this_level].hashval =
- be32_to_cpu(node->btree[entry - 1].hashval);
+ be32_to_cpu(btree[entry - 1].hashval);
/*
* keep track of greatest block # -- that gets
@@ -517,7 +525,7 @@ verify_dir2_path(xfs_mount_t *mp,
/*
* ok, now get the next buffer and check sibling pointers
*/
- dabno = be32_to_cpu(node->hdr.info.forw);
+ dabno = nodehdr.forw;
ASSERT(dabno != 0);
nex = blkmap_getn(cursor->blkmap, dabno, mp->m_dirblkfsbs,
&bmp, &lbmp);
@@ -540,36 +548,37 @@ _("can't read block %u for directory inode %" PRIu64 "\n"),
}
newnode = bp->b_addr;
+ btree = xfs_da3_node_tree_p(newnode);
+ xfs_da3_node_hdr_from_disk(&nodehdr, node);
/*
* verify magic number and back pointer, sanity-check
* entry count, verify level
*/
bad = 0;
- if (XFS_DA_NODE_MAGIC != be16_to_cpu(newnode->hdr.info.magic)) {
+ if (XFS_DA_NODE_MAGIC != nodehdr.magic) {
do_warn(
_("bad magic number %x in block %u for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.info.magic),
+ nodehdr.magic,
dabno, cursor->ino);
bad++;
}
- if (be32_to_cpu(newnode->hdr.info.back) !=
- cursor->level[this_level].bno) {
+ if (nodehdr.back != cursor->level[this_level].bno) {
do_warn(
_("bad back pointer in block %u for directory inode %" PRIu64 "\n"),
dabno, cursor->ino);
bad++;
}
- if (be16_to_cpu(newnode->hdr.count) > mp->m_dir_node_ents) {
+ if (nodehdr.count > mp->m_dir_node_ents) {
do_warn(
_("entry count %d too large in block %u for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.count),
+ nodehdr.count,
dabno, cursor->ino);
bad++;
}
- if (be16_to_cpu(newnode->hdr.level) != this_level) {
+ if (nodehdr.level != this_level) {
do_warn(
_("bad level %d in block %u for directory inode %" PRIu64 "\n"),
- be16_to_cpu(newnode->hdr.level),
+ nodehdr.level,
dabno, cursor->ino);
bad++;
}
@@ -592,7 +601,7 @@ _("bad level %d in block %u for directory inode %" PRIu64 "\n"),
cursor->level[this_level].dirty = 0;
cursor->level[this_level].bno = dabno;
cursor->level[this_level].hashval =
- be32_to_cpu(newnode->btree[0].hashval);
+ be32_to_cpu(btree[0].hashval);
node = newnode;
entry = cursor->level[this_level].index = 0;
@@ -600,21 +609,20 @@ _("bad level %d in block %u for directory inode %" PRIu64 "\n"),
/*
* ditto for block numbers
*/
- if (cursor->level[p_level].bno !=
- be32_to_cpu(node->btree[entry].before))
+ if (cursor->level[p_level].bno != be32_to_cpu(btree[entry].before))
return(1);
/*
* ok, now validate last hashvalue in the descendant
* block against the hashval in the current entry
*/
if (cursor->level[p_level].hashval !=
- be32_to_cpu(node->btree[entry].hashval)) {
+ be32_to_cpu(btree[entry].hashval)) {
if (!no_modify) {
do_warn(
_("correcting bad hashval in interior dir block\n"
"\tin (level %d) in inode %" PRIu64 ".\n"),
this_level, cursor->ino);
- node->btree[entry].hashval = cpu_to_be32(
+ btree[entry].hashval = cpu_to_be32(
cursor->level[p_level].hashval);
cursor->level[this_level].dirty++;
} else {
--
1.7.10.4
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