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authorDave Airlie <airlied@redhat.com>2018-05-18 14:08:53 +1000
committerDave Airlie <airlied@redhat.com>2018-05-18 14:08:53 +1000
commit1fafef9dfe127bdd4600eeaca302f0c1cb4ee5d0 (patch)
treef829e8a26fc768666eb5f827bf5817892ea7e46c /fs/xfs/libxfs/xfs_inode_buf.c
parent315852b422972e6ebb1dfddaadada09e46a2681a (diff)
parent76ef6b28ea4f81c3d511866a9b31392caa833126 (diff)
Merge drm-fixes-for-v4.17-rc6-urgent into drm-next
Need to backmerge some nouveau fixes to reduce the nouveau -next conflicts a lot. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_buf.c')
-rw-r--r--fs/xfs/libxfs/xfs_inode_buf.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index ef68b1de006a7..1201107eabc63 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -466,6 +466,8 @@ xfs_dinode_verify(
return __this_address;
if (di_size > XFS_DFORK_DSIZE(dip, mp))
return __this_address;
+ if (dip->di_nextents)
+ return __this_address;
/* fall through */
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
@@ -484,12 +486,31 @@ xfs_dinode_verify(
if (XFS_DFORK_Q(dip)) {
switch (dip->di_aformat) {
case XFS_DINODE_FMT_LOCAL:
+ if (dip->di_anextents)
+ return __this_address;
+ /* fall through */
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
break;
default:
return __this_address;
}
+ } else {
+ /*
+ * If there is no fork offset, this may be a freshly-made inode
+ * in a new disk cluster, in which case di_aformat is zeroed.
+ * Otherwise, such an inode must be in EXTENTS format; this goes
+ * for freed inodes as well.
+ */
+ switch (dip->di_aformat) {
+ case 0:
+ case XFS_DINODE_FMT_EXTENTS:
+ break;
+ default:
+ return __this_address;
+ }
+ if (dip->di_anextents)
+ return __this_address;
}
/* only version 3 or greater inodes are extensively verified here */