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Commit 69babac0 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: don't stop GC if GC is contended 



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

Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 846ae671

fs/f2fs/gc.c

+4 −3
Original line number Original line Diff line number Diff line
@@ -76,14 +76,15 @@ static int gc_thread_func(void *data) 
		 * invalidated soon after by user update or deletion.

		 * invalidated soon after by user update or deletion.

		 * So, I'd like to wait some time to collect dirty segments.

		 * 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) {

		if (gc_th->gc_urgent) {

			wait_ms = gc_th->urgent_sleep_time;

			wait_ms = gc_th->urgent_sleep_time;

			mutex_lock(&sbi->gc_mutex);

			goto do_gc;

			goto do_gc;

		}

		}





		if (!mutex_trylock(&sbi->gc_mutex))

			goto next;



		if (!is_idle(sbi)) {

		if (!is_idle(sbi)) {

			increase_sleep_time(gc_th, &wait_ms);

			increase_sleep_time(gc_th, &wait_ms);

			mutex_unlock(&sbi->gc_mutex);

			mutex_unlock(&sbi->gc_mutex);