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

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

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@xxxxxxxxxx>
---
 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





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