[PATCH 3/3] xfs: support recovering bmap intent items targetting realtime extents

Darrick J. Wong
2023-12-31T20:22:57Z

Now that we have reflink on the realtime device, bmap intent items have
to support remapping extents on the realtime volume.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
fs/xfs/xfs_bmap_item.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index d19f82c367f2b..02b872a133104 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -435,6 +435,9 @@ xfs_bui_validate(
if (!xfs_verify_fileext(mp, map->me_startoff, map->me_len))
return false;

+ if (map->me_flags & XFS_BMAP_EXTENT_REALTIME)
+ return xfs_verify_rtbext(mp, map->me_startblock, map->me_len);
+
return xfs_verify_fsbext(mp, map->me_startblock, map->me_len);
}

@@ -509,6 +512,12 @@ xfs_bmap_recover_work(
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, 0);

+ if (!!(map->me_flags & XFS_BMAP_EXTENT_REALTIME) !=
+ xfs_ifork_is_realtime(ip, work->bi_whichfork)) {
+ error = -EFSCORRUPTED;
+ goto err_cancel;
+ }
+
if (work->bi_type == XFS_BMAP_MAP)
iext_delta = XFS_IEXT_ADD_NOSPLIT_CNT;
else