Commits
Chao Yu committed 1f78adfab37
f2fs: disallow switching io_bits option during remount If IO alignment feature is turned on after remount, we didn't initialize mempool of it, it turns out we will encounter panic during IO submission due to access NULL mempool pointer. This feature should be set only at mount time, so simply deny configuring during remount. This fixes bug reported in bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204135 Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>