On 4/6/21 4:59 AM, Dave Chinner wrote:
From: Dave Chinner <dchinner@xxxxxxxxxx>
Device inodes have a non-default data fork size of 8 bytes
as checked/enforced by xfs_repair. xfs_default_attroffset() doesn't
handle this, so lets do a minor refactor so it does.
Fixes: e6a688c33238 ("xfs: initialise attr fork on inode create")
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Looks fine
Reviewed-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_bmap.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 5574d345d066..414882ebcc8e 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -195,6 +195,9 @@ xfs_default_attroffset(
struct xfs_mount *mp = ip->i_mount;
uint offset;
+ if (ip->i_df.if_format == XFS_DINODE_FMT_DEV)
+ return roundup(sizeof(xfs_dev_t), 8);
+
if (mp->m_sb.sb_inodesize == 256)
offset = XFS_LITINO(mp) - XFS_BMDR_SPACE_CALC(MINABTPTRS);
else
@@ -1036,16 +1039,18 @@ xfs_bmap_set_attrforkoff(
int size,
int *version)
{
+ int default_size = xfs_default_attroffset(ip) >> 3;
+
switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_DEV:
- ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
+ ip->i_d.di_forkoff = default_size;
break;
case XFS_DINODE_FMT_LOCAL:
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
ip->i_d.di_forkoff = xfs_attr_shortform_bytesfit(ip, size);
if (!ip->i_d.di_forkoff)
- ip->i_d.di_forkoff = xfs_default_attroffset(ip) >> 3;
+ ip->i_d.di_forkoff = default_size;
else if ((ip->i_mount->m_flags & XFS_MOUNT_ATTR2) && version)
*version = 2;
break;
