f2fs: wake up gc thread immediately when gc_urgent is set

Fixes: 5b0e95398e2b ("f2fs: introduce sbi->gc_mode to determine the policy")
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index f22782a0defe..cd2e030e47b8 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -253,6 +253,7 @@ out:
                 if (t >= 1) {
                         sbi->gc_mode = GC_URGENT;
                         if (sbi->gc_thread) {
+                                sbi->gc_thread->gc_wake = 1;
                                 wake_up_interruptible_all(
                                         &sbi->gc_thread->gc_wait_queue_head);
                                 wake_up_discard_thread(sbi, true);