[PATCH 16/38] xfs_repair: preserve the metadirino field when zeroing supers

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

The metadata directory root inumber is now the last field in the
superblock, so extend the zeroing code to know about that.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 repair/agheader.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)


diff --git a/repair/agheader.c b/repair/agheader.c
index 3930a0ac0919b4..5d4ca26cfb6155 100644
--- a/repair/agheader.c
+++ b/repair/agheader.c
@@ -357,7 +357,10 @@ secondary_sb_whack(
 	 *
 	 * size is the size of data which is valid for this sb.
 	 */
-	if (xfs_sb_version_hasmetauuid(sb))
+	if (xfs_sb_version_hasmetadir(sb))
+		size = offsetof(struct xfs_dsb, sb_metadirino)
+			+ sizeof(sb->sb_metadirino);
+	else if (xfs_sb_version_hasmetauuid(sb))
 		size = offsetof(struct xfs_dsb, sb_meta_uuid)
 			+ sizeof(sb->sb_meta_uuid);
 	else if (xfs_sb_version_hascrc(sb))





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