f2fs: refactor __allocate_new_segment

Simplify the check whether to allocate a new segment or reuse an open
one.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Christoph Hellwig 2023-01-19 07:36:22 +01:00 • committed by Jaegeuk Kim
commit 2df79573ef