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authorDarrick J. Wong <darrick.wong@oracle.com>2016-10-10 16:47:32 +1100
committerDave Chinner <david@fromorbit.com>2016-10-10 16:47:32 +1100
commit63646fc58d666f149b85ccf470bfc1576a779d4c (patch)
treedc640908f7a21bf0f81f0b3e51a05d5f583e9ec1 /fs/xfs/xfs_reflink.c
parent1f08af52e7c981e9877796a2d90b0e0f08666945 (diff)
xfs: check inode reflink flag before calling reflink functions
There are a couple of places where we don't check the inode's reflink flag before calling into the reflink code. Fix those, and add some asserts so we don't make this mistake again. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reported-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
-rw-r--r--fs/xfs/xfs_reflink.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 685c419ae011..9c58b4a83248 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -624,6 +624,7 @@ xfs_reflink_cancel_cow_range(
int error;
trace_xfs_reflink_cancel_cow_range(ip, offset, count);
+ ASSERT(xfs_is_reflink_inode(ip));
offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);
if (count == NULLFILEOFF)
@@ -1510,8 +1511,7 @@ xfs_reflink_clear_inode_flag(
int nmaps;
int error = 0;
- if (!(ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK))
- return 0;
+ ASSERT(xfs_is_reflink_inode(ip));
fbno = 0;
end = XFS_B_TO_FSB(mp, i_size_read(VFS_I(ip)));