From: Darrick J. Wong <djwong@kernel.org>
Date: Mon, 24 Feb 2025 18:21:53 +0000 (-0800)
Subject: xfs: update rmap to allow cow staging extents in the rt rmap
X-Git-Tag: v6.14.0~103
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3209f6f1d3f8325c1851d76ee557ec6c085e56f0;p=thirdparty%2Fxfsprogs-dev.git

xfs: update rmap to allow cow staging extents in the rt rmap

Source kernel commit: 0bada82331238bd366aaa0566d125c6338b42590

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

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c
index 3748bfc7..8c0c22a3 100644
--- a/libxfs/xfs_rmap.c
+++ b/libxfs/xfs_rmap.c
@@ -284,6 +284,13 @@ 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;
 	}