f2fs: don't stop GC if GC is contended

Let's do GC as much as possible, while gc_urgent is set.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2018-02-26 09:19:47 -08:00
commit 69babac019