f2fs: get out of a repeat loop when getting a locked data page

https://bugzilla.kernel.org/show_bug.cgi?id=216050

Somehow we're getting a page which has a different mapping.
Let's avoid the infinite loop.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2023-01-19 10:47:00 -08:00
commit d2d9bb3b6d