f2fs: fix to cover __allocate_new_section() with curseg_lock

[ Upstream commit 823d13e12b6cbaef2f6e5d63c648643e7bc094dd ]

In order to avoid race with f2fs_do_replace_block().

Fixes: f5a53edcf01e ("f2fs: support aligned pinned file")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
1 file changed