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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
parent 846ae671ad
commit 69babac019
1 changed files with 4 additions and 3 deletions
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7
fs/f2fs/gc.c
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@ -76,14 +76,15 @@ static int gc_thread_func(void *data)
* invalidated soon after by user update or deletion.
* So, I'd like to wait some time to collect dirty segments.
*/
if (!mutex_trylock(&sbi->gc_mutex))
goto next;
if (gc_th->gc_urgent) {
wait_ms = gc_th->urgent_sleep_time;
mutex_lock(&sbi->gc_mutex);
goto do_gc;
}
if (!mutex_trylock(&sbi->gc_mutex))
goto next;
if (!is_idle(sbi)) {
increase_sleep_time(gc_th, &wait_ms);
mutex_unlock(&sbi->gc_mutex);