[PATCH 44/56] xfs: allow inodes to have the realtime and reflink flags

Darrick J. Wong
2025-02-06T22:46:36Z

Source kernel commit: c3d3605f9661a2451c437a037d338dc79fb78f37

Now that we can share blocks between realtime files, allow this
combination.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
libxfs/xfs_inode_buf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c
index 0be0625857002c..a7774fc32e2755 100644
--- a/libxfs/xfs_inode_buf.c
+++ b/libxfs/xfs_inode_buf.c
@@ -745,7 +745,8 @@ xfs_dinode_verify(
return __this_address;

/* don't let reflink and realtime mix */
- if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME))
+ if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME) &&
+ !xfs_has_rtreflink(mp))
return __this_address;

/* COW extent size hint validation */