xfs: log proper length of superblock

Source kernel commit: 6f4ff81a4602dcfba436c6e2307d61ce9e9f652c

xfs_trans_log_buf takes first byte, last byte as args.  In this
case, it should be from 0 to sizeof() - 1.

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>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index d8a0431ff367b816c6d19aaf9f7d1e4daf037e7b..583d29aab3cbdb3c8e3e534e373569b2cdc0e255 100644 (file)
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -905,7 +905,7 @@ xfs_log_sb(
 
        xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb);
        xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SB_BUF);
-       xfs_trans_log_buf(tp, bp, 0, sizeof(struct xfs_dsb));
+       xfs_trans_log_buf(tp, bp, 0, sizeof(struct xfs_dsb) - 1);
 }
 
 /*