From 6f4ff81a4602dcfba436c6e2307d61ce9e9f652c Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 23 Sep 2019 16:53:37 -0700
Subject: [PATCH] xfs: log proper length of superblock
Git-commit: 6f4ff81a4602dcfba436c6e2307d61ce9e9f652c
Patch-mainline: v5.4-rc1
References: bsc#1166140
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>
Acked-by: Anthony Iliopoulos <ailiopoulos@suse.com>
---
fs/xfs/libxfs/xfs_sb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index a08dd8f40346..ac6cdca63e15 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -928,7 +928,7 @@ 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);
}
/*
--
2.16.4