From: Mark Tinguely <tinguely@xxxxxxx>
Return the directory offset information when replacing an entry to the
directory.
This offset will be used as the parent pointer offset in xfs_rename.
[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>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_dir2.c | 18 +++++++++++-------
fs/xfs/libxfs/xfs_dir2.h | 3 ++-
fs/xfs/libxfs/xfs_dir2_block.c | 4 ++--
fs/xfs/libxfs/xfs_dir2_leaf.c | 1 +
fs/xfs/libxfs/xfs_dir2_node.c | 1 +
fs/xfs/libxfs/xfs_dir2_sf.c | 2 ++
fs/xfs/xfs_inode.c | 28 +++++++++++++---------------
7 files changed, 32 insertions(+), 25 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 090ab0e..eebb83c 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -487,7 +487,7 @@ xfs_dir_removename(
else
rval = xfs_dir2_node_removename(args);
out_free:
- if (offset)
+ if (!rval && offset)
*offset = args->offset;
kmem_free(args);
@@ -499,13 +499,14 @@ xfs_dir_removename(
*/
int
xfs_dir_replace(
- xfs_trans_t *tp,
- xfs_inode_t *dp,
- struct xfs_name *name, /* name of entry to replace */
- xfs_ino_t inum, /* new inode number */
- xfs_fsblock_t *first, /* bmap's firstblock */
+ struct xfs_trans *tp,
+ struct xfs_inode *dp,
+ struct xfs_name *name, /* name of entry to replace */
+ xfs_ino_t inum, /* new inode number */
+ 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;
@@ -555,6 +556,9 @@ xfs_dir_replace(
else
rval = xfs_dir2_node_replace(args);
out_free:
+ if (offset)
+ *offset = args->offset;
+
kmem_free(args);
return rval;
}
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index b73bdcb..d361442 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -145,7 +145,8 @@ extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
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,
- 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_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_name *name);
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index 9c1e485..77744e5 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -872,9 +872,9 @@ xfs_dir2_block_replace(
/*
* Point to the data entry we need to change.
*/
+ 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));
ASSERT(be64_to_cpu(dep->inumber) != args->inumber);
/*
* Change the inode number to the new value.
diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
index c5595c1..6ad7741 100644
--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
+++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
@@ -1550,6 +1550,7 @@ xfs_dir2_leaf_replace(
/*
* Point to the data entry.
*/
+ args->offset = be32_to_cpu(lep->address);
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->b_addr +
xfs_dir2_dataptr_to_off(args->geo, be32_to_cpu(lep->address)));
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index eb8b240..ccf220a 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -2256,6 +2256,7 @@ xfs_dir2_node_replace(
hdr = state->extrablk.bp->b_addr;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
+ args->offset = be32_to_cpu(lep->address);
dep = (xfs_dir2_data_entry_t *)
((char *)hdr +
xfs_dir2_dataptr_to_off(args->geo,
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 1d0957c..73f1eef 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -1043,6 +1043,8 @@ xfs_dir2_sf_replace(
ASSERT(args->inumber != ino);
dp->d_ops->sf_put_ino(sfp, sfep, args->inumber);
dp->d_ops->sf_put_ftype(sfep, args->filetype);
+ args->offset = xfs_dir2_byte_to_dataptr(
+ xfs_dir2_sf_get_offset(sfep));
break;
}
}
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 2ccfa90..1cd9429 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2783,16 +2783,14 @@ xfs_cross_rename(
int dp2_flags = 0;
/* Swap inode number for dirent in first parent */
- error = xfs_dir_replace(tp, dp1, name1,
- ip2->i_ino,
- first_block, dfops, spaceres);
+ error = xfs_dir_replace(tp, dp1, name1, ip2->i_ino, first_block, dfops,
+ spaceres, NULL);
if (error)
goto out_trans_abort;
/* Swap inode number for dirent in second parent */
- error = xfs_dir_replace(tp, dp2, name2,
- ip1->i_ino,
- first_block, dfops, spaceres);
+ error = xfs_dir_replace(tp, dp2, name2, ip1->i_ino, first_block, dfops,
+ spaceres, NULL);
if (error)
goto out_trans_abort;
@@ -2806,8 +2804,8 @@ xfs_cross_rename(
if (S_ISDIR(VFS_I(ip2)->i_mode)) {
error = xfs_dir_replace(tp, ip2, &xfs_name_dotdot,
- dp1->i_ino, first_block,
- dfops, spaceres);
+ dp1->i_ino, first_block, dfops,
+ spaceres, NULL);
if (error)
goto out_trans_abort;
@@ -2833,8 +2831,8 @@ xfs_cross_rename(
if (S_ISDIR(VFS_I(ip1)->i_mode)) {
error = xfs_dir_replace(tp, ip1, &xfs_name_dotdot,
- dp2->i_ino, first_block,
- dfops, spaceres);
+ dp2->i_ino, first_block, dfops,
+ spaceres, NULL);
if (error)
goto out_trans_abort;
@@ -3081,8 +3079,8 @@ xfs_rename(
* name at the destination directory, remove it first.
*/
error = xfs_dir_replace(tp, target_dp, target_name,
- src_ip->i_ino,
- &first_block, &dfops, spaceres);
+ src_ip->i_ino, &first_block, &dfops,
+ spaceres, NULL);
if (error)
goto out_bmap_cancel;
@@ -3116,8 +3114,8 @@ xfs_rename(
* directory.
*/
error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot,
- target_dp->i_ino,
- &first_block, &dfops, spaceres);
+ target_dp->i_ino, &first_block, &dfops,
+ spaceres, NULL);
ASSERT(error != -EEXIST);
if (error)
goto out_bmap_cancel;
@@ -3156,7 +3154,7 @@ xfs_rename(
*/
if (wip) {
error = xfs_dir_replace(tp, src_dp, src_name, wip->i_ino,
- &first_block, &dfops, spaceres);
+ &first_block, &dfops, spaceres, NULL);
} else
error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino,
&first_block, &dfops, spaceres, NULL);
--
2.7.4
--
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