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>
---
libxfs/xfs_dir2.c | 8 ++++++--
libxfs/xfs_dir2.h | 2 +-
libxfs/xfs_dir2_block.c | 4 ++--
libxfs/xfs_dir2_leaf.c | 1 +
libxfs/xfs_dir2_node.c | 1 +
libxfs/xfs_dir2_sf.c | 2 ++
repair/phase6.c | 2 +-
7 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c
index 0093417..f76f412 100644
--- a/libxfs/xfs_dir2.c
+++ b/libxfs/xfs_dir2.c
@@ -466,7 +466,7 @@ xfs_dir_removename(
else
rval = xfs_dir2_node_removename(args);
out_free:
- if (offset)
+ if (!rval && offset)
*offset = args->offset;
kmem_free(args);
@@ -482,7 +482,8 @@ xfs_dir_replace(
struct xfs_inode *dp,
struct xfs_name *name, /* name of entry to replace */
xfs_ino_t inum, /* new inode number */
- 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;
@@ -530,6 +531,9 @@ 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/libxfs/xfs_dir2.h b/libxfs/xfs_dir2.h
index 2cf1d87..63de5b9 100644
--- a/libxfs/xfs_dir2.h
+++ b/libxfs/xfs_dir2.h
@@ -127,7 +127,7 @@ extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
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_extlen_t tot);
+ 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/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c
index 514b3fc..c80f9e4 100644
--- a/libxfs/xfs_dir2_block.c
+++ b/libxfs/xfs_dir2_block.c
@@ -856,9 +856,9 @@ 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/libxfs/xfs_dir2_leaf.c b/libxfs/xfs_dir2_leaf.c
index 21906b1..c8e15e5 100644
--- a/libxfs/xfs_dir2_leaf.c
+++ b/libxfs/xfs_dir2_leaf.c
@@ -1535,6 +1535,7 @@ 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/libxfs/xfs_dir2_node.c b/libxfs/xfs_dir2_node.c
index 8a6cee1..b35b22f 100644
--- a/libxfs/xfs_dir2_node.c
+++ b/libxfs/xfs_dir2_node.c
@@ -2239,6 +2239,7 @@ 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/libxfs/xfs_dir2_sf.c b/libxfs/xfs_dir2_sf.c
index 70808c9..7aa82e7 100644
--- a/libxfs/xfs_dir2_sf.c
+++ b/libxfs/xfs_dir2_sf.c
@@ -1029,6 +1029,8 @@ 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/repair/phase6.c b/repair/phase6.c
index db37a6c..c4651bc 100644
--- a/repair/phase6.c
+++ b/repair/phase6.c
@@ -1164,7 +1164,7 @@ mv_orphanage(
if (entry_ino_num != orphanage_ino) {
err = -libxfs_dir_replace(tp, ino_p,
&xfs_name_dotdot, orphanage_ino,
- nres);
+ nres, NULL);
if (err)
do_error(
_("name replace op failed (%d), filesystem may be out of space\n"),
--
2.7.4
