diff mbox series

[16/43] xfs: update rmap to allow cow staging extents in the rt rmap

Message ID 173405124842.1182620.13179868316310661730.stgit@frogsfrogsfrogs (mailing list archive)
State New
Headers show
Series [01/43] xfs: prepare refcount btree cursor tracepoints for realtime | expand

Commit Message

Darrick J. Wong Dec. 13, 2024, 1:14 a.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Don't error out on CoW staging extent records when realtime reflink is
enabled.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
---
 fs/xfs/libxfs/xfs_rmap.c |    7 +++++++
 1 file changed, 7 insertions(+)

Comments

Christoph Hellwig Dec. 13, 2024, 9:13 a.m. UTC | #1 
Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index f8415fd96cc2aa..3cdf50563fecb9 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -285,6 +285,13 @@  xfs_rtrmap_check_meta_irec(
 		if (irec->rm_blockcount != mp->m_sb.sb_rextsize)
 			return __this_address;
 		return NULL;
+	case XFS_RMAP_OWN_COW:
+		if (!xfs_has_rtreflink(mp))
+			return __this_address;
+		if (!xfs_verify_rgbext(rtg, irec->rm_startblock,
+					    irec->rm_blockcount))
+			return __this_address;
+		return NULL;
 	default:
 		return __this_address;
 	}