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authorSimona Vetter <simona.vetter@ffwll.ch>2024-09-11 09:18:15 +0200
committerSimona Vetter <simona.vetter@ffwll.ch>2024-09-11 09:18:15 +0200
commitb615b9c36cae0468491547206406a909a9a37f26 (patch)
tree1d9586e498714e56e7923765640ae014584e1f58 /fs/xfs/libxfs/xfs_inode_buf.c
parentcd4ea49599a3b2233e5fb24a73b2f2d1ea3e35dc (diff)
parentda3ea35007d0af457a0afc87e84fddaebc4e0b63 (diff)
Merge v6.11-rc7 into drm-next
Thomas needs 5a498d4d06d6 ("drm/fbdev-dma: Only install deferred I/O if necessary") in drm-misc, so start the backmerge cascade. Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_buf.c')
-rw-r--r--fs/xfs/libxfs/xfs_inode_buf.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 513b50da6215..79babeac9d75 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -514,12 +514,18 @@ xfs_dinode_verify(
return __this_address;
}
- if (dip->di_version > 1) {
+ /*
+ * Historical note: xfsprogs in the 3.2 era set up its incore inodes to
+ * have di_nlink track the link count, even if the actual filesystem
+ * only supported V1 inodes (i.e. di_onlink). When writing out the
+ * ondisk inode, it would set both the ondisk di_nlink and di_onlink to
+ * the the incore di_nlink value, which is why we cannot check for
+ * di_nlink==0 on a V1 inode. V2/3 inodes would get written out with
+ * di_onlink==0, so we can check that.
+ */
+ if (dip->di_version >= 2) {
if (dip->di_onlink)
return __this_address;
- } else {
- if (dip->di_nlink)
- return __this_address;
}
/* don't allow invalid i_size */