From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue, 18 Dec 2018 01:08:26 +0000 (-0800)
Subject: f2fs: fix missing unlock(sbi->gc_mutex)
X-Git-Tag: Ubuntu-5.2.0-15.16~2857^2~4
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=8f31b4665c14fe19593601a250275e58c7ad0ef1;p=mirror_ubuntu-eoan-kernel.git

f2fs: fix missing unlock(sbi->gc_mutex)

This fixes missing unlock call.

Cc: <stable@vger.kernel.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b79677639108..cec7ef27b389 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1457,19 +1457,16 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
 
 	sbi->sb->s_flags |= SB_ACTIVE;
 
-	mutex_lock(&sbi->gc_mutex);
 	f2fs_update_time(sbi, DISABLE_TIME);
 
 	while (!f2fs_time_over(sbi, DISABLE_TIME)) {
+		mutex_lock(&sbi->gc_mutex);
 		err = f2fs_gc(sbi, true, false, NULL_SEGNO);
 		if (err == -ENODATA)
 			break;
-		if (err && err != -EAGAIN) {
-			mutex_unlock(&sbi->gc_mutex);
+		if (err && err != -EAGAIN)
 			return err;
-		}
 	}
-	mutex_unlock(&sbi->gc_mutex);
 
 	err = sync_filesystem(sbi->sb);
 	if (err)