Hi Christoph, Darrick,
Thank you for the reviews. Here is the v2 patch with the commit message fixed as suggested.

Subject: [PATCH V2] xfs-doc: Fix typo error

Online fsck may take longer than offline fsck...

Signed-off-by: Gou Hao <gouhao@uniontech.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
---
 Documentation/filesystems/xfs/xfs-online-fsck-design.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/xfs/xfs-online-fsck-design.rst b/Documentation/filesystems/xfs/xfs-online-fsck-design.rst
index 8cbcd3c26434..55e727b5f12e 100644
--- a/Documentation/filesystems/xfs/xfs-online-fsck-design.rst
+++ b/Documentation/filesystems/xfs/xfs-online-fsck-design.rst
@@ -249,7 +249,7 @@ sharing and lock acquisition rules as the regular filesystem.
 This means that scrub cannot take *any* shortcuts to save time, because doing
 so could lead to concurrency problems.
 In other words, online fsck is not a complete replacement for offline fsck, and
-a complete run of online fsck may take longer than online fsck.
+a complete run of online fsck may take longer than offline fsck.
 However, both of these limitations are acceptable tradeoffs to satisfy the
 different motivations of online fsck, which are to **minimize system downtime**
 and to **increase predictability of operation**.
-- 
2.20.1

Gou Hao <gouhao@uniontech.com> writes:

> Hi Christoph, Darrick,
> Thank you for the reviews. Here is the v2 patch with the commit message fixed as suggested.

This kind of stuff should go below the "---" line so that whoever
applies the patch doesn't need to edit it out.

> Subject: [PATCH V2] xfs-doc: Fix typo error
>
> Online fsck may take longer than offline fsck...
>
> Signed-off-by: Gou Hao <gouhao@uniontech.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
> ---
>  Documentation/filesystems/xfs/xfs-online-fsck-design.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I've applied it, thanks.

jon