Return the directory offset information when removing an entry to the
directory.
This offset will be used as the parent pointer offset in xfs_remove.
[dchinner: forward ported and cleaned up]
[achender: rebased, changed __unint32_t to xfs_dir2_dataptr_t,
Changed typedefs to raw struct types]
Signed-off-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
---
libxfs/xfs_dir2.c | 16 ++++++++++------
libxfs/xfs_dir2.h | 4 +++-
libxfs/xfs_dir2_block.c | 4 ++--
libxfs/xfs_dir2_leaf.c | 5 +++--
libxfs/xfs_dir2_node.c | 5 +++--
libxfs/xfs_dir2_sf.c | 2 ++
6 files changed, 23 insertions(+), 13 deletions(-)
diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c
index cd67e1b..ef9fba6 100644
--- a/libxfs/xfs_dir2.c
+++ b/libxfs/xfs_dir2.c
@@ -431,13 +431,14 @@ out_free:
*/
int
xfs_dir_removename(
- xfs_trans_t *tp,
- xfs_inode_t *dp,
- struct xfs_name *name,
- xfs_ino_t ino,
- xfs_fsblock_t *first, /* bmap's firstblock */
+ struct xfs_trans *tp,
+ struct xfs_inode *dp,
+ struct xfs_name *name,
+ xfs_ino_t ino,
+ xfs_fsblock_t *first, /* bmap's firstblock */
struct xfs_defer_ops *dfops, /* bmap's freeblock list */
- xfs_extlen_t total) /* bmap's total block count */
+ xfs_extlen_t total, /* bmap's total block count */
+ xfs_dir2_dataptr_t *offset) /* OUT: offset in directory */
{
struct xfs_da_args *args;
int rval;
@@ -484,6 +485,9 @@ xfs_dir_removename(
else
rval = xfs_dir2_node_removename(args);
out_free:
+ if (offset)
+ *offset = args->offset;
+
kmem_free(args);
return rval;
}
diff --git a/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h
index 378c654..e2cd70b 100644
--- a/libxfs/xfs_dir2.h
+++ b/libxfs/xfs_dir2.h
@@ -139,7 +139,9 @@ extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_name *name, xfs_ino_t ino,
xfs_fsblock_t *first,
- struct xfs_defer_ops *dfops, xfs_extlen_t tot);
+ struct xfs_defer_ops *dfops,
+ xfs_extlen_t tot,
+ xfs_dir2_dataptr_t *offset);
extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_name *name, xfs_ino_t inum,
xfs_fsblock_t *first,
diff --git a/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c
index 4815d26..e7ce6a9 100644
--- a/libxfs/xfs_dir2_block.c
+++ b/libxfs/xfs_dir2_block.c
@@ -788,9 +788,9 @@ xfs_dir2_block_removename(
/*
* Point to the data entry using the leaf entry.
*/
+ args->offset = be32_to_cpu(blp[ent].address);
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
- xfs_dir2_dataptr_to_off(args->geo,
- be32_to_cpu(blp[ent].address)));
+ xfs_dir2_dataptr_to_off(args->geo, args->offset));
/*
* Mark the data entry's space free.
*/
diff --git a/libxfs/xfs_dir2_leaf.c b/libxfs/xfs_dir2_leaf.c
index 949e798..8cca19e 100644
--- a/libxfs/xfs_dir2_leaf.c
+++ b/libxfs/xfs_dir2_leaf.c
@@ -1407,9 +1407,10 @@ xfs_dir2_leaf_removename(
* Point to the leaf entry, use that to point to the data entry.
*/
lep = &ents[index];
- db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
+ args->offset = be32_to_cpu(lep->address);
+ db = xfs_dir2_dataptr_to_db(args->geo, args->offset);
dep = (xfs_dir2_data_entry_t *)((char *)hdr +
- xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
+ xfs_dir2_dataptr_to_off(args->geo, args->offset));
needscan = needlog = 0;
oldbest = be16_to_cpu(bf[0].length);
ltp = xfs_dir2_leaf_tail_p(args->geo, leaf);
diff --git a/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c
index 697e37e..e4ca481 100644
--- a/libxfs/xfs_dir2_node.c
+++ b/libxfs/xfs_dir2_node.c
@@ -1248,9 +1248,10 @@ xfs_dir2_leafn_remove(
/*
* Extract the data block and offset from the entry.
*/
- db = xfs_dir2_dataptr_to_db(args->geo, be32_to_cpu(lep->address));
+ args->offset = be32_to_cpu(lep->address);
+ db = xfs_dir2_dataptr_to_db(args->geo, args->offset);
ASSERT(dblk->blkno == db);
- off = xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address));
+ off = xfs_dir2_dataptr_to_off(args->geo, args->offset);
ASSERT(dblk->index == off);
/*
diff --git a/libxfs/xfs_dir2_sf.c b/libxfs/xfs_dir2_sf.c
index e601208..8013ddd 100644
--- a/libxfs/xfs_dir2_sf.c
+++ b/libxfs/xfs_dir2_sf.c
@@ -915,6 +915,8 @@ xfs_dir2_sf_removename(
XFS_CMP_EXACT) {
ASSERT(dp->d_ops->sf_get_ino(sfp, sfep) ==
args->inumber);
+ args->offset = xfs_dir2_byte_to_dataptr(
+ xfs_dir2_sf_get_offset(sfep));
break;
}
}
--
2.7.4
--
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