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authorDave Chinner <dchinner@redhat.com>2013-04-03 09:11:24 +0400
committerBen Myers <bpm@sgi.com>2013-04-27 21:24:32 +0400
commit6b2647a12a00bdad431ac1e9049c5e8579aa7869 (patch)
treea2e9a94af4d27297e7ef7f147137e6c4fa099513 /fs/xfs/xfs_dir2_sf.c
parent24df33b45ecf5ca413ef1530e0aca5506d9be2cc (diff)
downloadlinux-6b2647a12a00bdad431ac1e9049c5e8579aa7869.tar.xz
xfs: shortform directory offsets change for dir3 format
Because the header size for the CRC enabled directory blocks is larger, the offset of the first entry into a directory block is different to the dir2 format. The shortform directory stores the dirent's offset so that it doesn't change when moving from shortform to block form and back again, and hence it needs to take into account the different header sizes to maintain the correct offsets. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_dir2_sf.c')
-rw-r--r--fs/xfs/xfs_dir2_sf.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
index b9756228e9c0..6157424dbf8f 100644
--- a/fs/xfs/xfs_dir2_sf.c
+++ b/fs/xfs/xfs_dir2_sf.c
@@ -535,7 +535,7 @@ xfs_dir2_sf_addname_hard(
* to insert the new entry.
* If it's going to end up at the end then oldsfep will point there.
*/
- for (offset = XFS_DIR2_DATA_FIRST_OFFSET,
+ for (offset = XFS_DIR3_DATA_FIRST_OFFSET(dp->i_mount),
oldsfep = xfs_dir2_sf_firstentry(oldsfp),
add_datasize = xfs_dir2_data_entsize(args->namelen),
eof = (char *)oldsfep == &buf[old_isize];
@@ -617,7 +617,7 @@ xfs_dir2_sf_addname_pick(
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
size = xfs_dir2_data_entsize(args->namelen);
- offset = XFS_DIR2_DATA_FIRST_OFFSET;
+ offset = XFS_DIR3_DATA_FIRST_OFFSET(mp);
sfep = xfs_dir2_sf_firstentry(sfp);
holefit = 0;
/*
@@ -688,7 +688,7 @@ xfs_dir2_sf_check(
dp = args->dp;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- offset = XFS_DIR2_DATA_FIRST_OFFSET;
+ offset = XFS_DIR3_DATA_FIRST_OFFSET(dp->i_mount);
ino = xfs_dir2_sf_get_parent_ino(sfp);
i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
@@ -812,9 +812,9 @@ xfs_dir2_sf_getdents(
* mp->m_dirdatablk.
*/
dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOT_OFFSET);
+ XFS_DIR3_DATA_DOT_OFFSET(mp));
dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
- XFS_DIR2_DATA_DOTDOT_OFFSET);
+ XFS_DIR3_DATA_DOTDOT_OFFSET(mp));
/*
* Put . entry unless we're starting past it.