From a690efffd16302d23b0bbd00f84dcedc11935a8b Mon Sep 17 00:00:00 2001
From: Sheng Yong <shengyong1@huawei.com>
Date: Sun, 5 Aug 2018 12:45:35 +0800
Subject: [PATCH] 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>
---
fs/f2fs/sysfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index f22782a0defe6..cd2e030e47b88 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -253,6 +253,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
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);
--
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