From: Eric Sandeen <sandeen@redhat.com>
Date: Wed, 28 Aug 2019 00:35:12 +0000 (-0700)
Subject: xfs: log proper length of btree block in scrub/repair
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7f313eda8fcc6a250803abb1aef3d6dc5c32f9ad;p=openwrt%2Fstaging%2Fblogic.git

xfs: log proper length of btree block in scrub/repair

xfs_trans_log_buf() takes a final argument of the last byte to
log in the buffer; b_length is in basic blocks, so this isn't
the correct last byte.  Fix it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---

diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index 4cfeec57fb05..7bcc755beb40 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -351,7 +351,7 @@ xrep_init_btblock(
 	xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
 	xfs_btree_init_block(mp, bp, btnum, 0, 0, sc->sa.agno);
 	xfs_trans_buf_set_type(tp, bp, XFS_BLFT_BTREE_BUF);
-	xfs_trans_log_buf(tp, bp, 0, bp->b_length);
+	xfs_trans_log_buf(tp, bp, 0, BBTOB(bp->b_length) - 1);
 	bp->b_ops = ops;
 	*bpp = bp;