From: Darrick J. Wong <djwong@kernel.org>
Date: Thu, 21 Nov 2024 00:21:12 +0000 (-0800)
Subject: xfs: walk the rt reference count tree when rebuilding rmap
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=477493082fe8a480e33cb26ff545b5976818c071;p=users%2Fjedix%2Flinux-maple.git

xfs: walk the rt reference count tree when rebuilding rmap

When we're rebuilding the data device rmap, if we encounter a "refcount"
format fork, we have to walk the (realtime) refcount btree inode to
build the appropriate mappings.

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

diff --git a/fs/xfs/scrub/rmap_repair.c b/fs/xfs/scrub/rmap_repair.c
index c2c7b76cc25a..f5f73078ffe2 100644
--- a/fs/xfs/scrub/rmap_repair.c
+++ b/fs/xfs/scrub/rmap_repair.c
@@ -33,6 +33,7 @@
 #include "xfs_ag.h"
 #include "xfs_rtrmap_btree.h"
 #include "xfs_rtgroup.h"
+#include "xfs_rtrefcount_btree.h"
 #include "scrub/xfs_scrub.h"
 #include "scrub/scrub.h"
 #include "scrub/common.h"
@@ -519,6 +520,9 @@ xrep_rmap_scan_meta_btree(
 	case XFS_METAFILE_RTRMAP:
 		type = XFS_RTGI_RMAP;
 		break;
+	case XFS_METAFILE_RTREFCOUNT:
+		type = XFS_RTGI_REFCOUNT;
+		break;
 	default:
 		ASSERT(0);
 		return -EFSCORRUPTED;
@@ -545,6 +549,9 @@ found:
 	case XFS_METAFILE_RTRMAP:
 		cur = xfs_rtrmapbt_init_cursor(sc->tp, rtg);
 		break;
+	case XFS_METAFILE_RTREFCOUNT:
+		cur = xfs_rtrefcountbt_init_cursor(sc->tp, rtg);
+		break;
 	default:
 		ASSERT(0);
 		error = -EFSCORRUPTED;