[PATCH 5.19 112/717] f2fs: fix wrong continue condition in GC

From: Greg Kroah-Hartman
Date: Sat Oct 22 2022 - 04:38:14 EST


From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

commit 605b0a778aa2599aa902ae639b8e9937c74b869b upstream.

We should decrease the frozen counter.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 325163e9892b ("f2fs: add gc_urgent_high_remaining sysfs node")
Reviewed-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/f2fs/gc.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -97,14 +97,10 @@ static int gc_thread_func(void *data)
*/
if (sbi->gc_mode == GC_URGENT_HIGH) {
spin_lock(&sbi->gc_urgent_high_lock);
- if (sbi->gc_urgent_high_limited) {
- if (!sbi->gc_urgent_high_remaining) {
- sbi->gc_urgent_high_limited = false;
- spin_unlock(&sbi->gc_urgent_high_lock);
- sbi->gc_mode = GC_NORMAL;
- continue;
- }
- sbi->gc_urgent_high_remaining--;
+ if (sbi->gc_urgent_high_limited &&
+ !sbi->gc_urgent_high_remaining--) {
+ sbi->gc_urgent_high_limited = false;
+ sbi->gc_mode = GC_NORMAL;
}
spin_unlock(&sbi->gc_urgent_high_lock);
}