linux-kernel - [PATCH 5.16 0259/1017] f2fs: fix to enable ATGC correctly via gc

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Message-Id: <20220405070401.951544587@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:19:32 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zhipeng Tan <tanzhipeng@...t.edu.cn>,
        Jicheng Shao <shaojicheng@...t.edu.cn>,
        Chao Yu <chao@...nel.org>, Jaegeuk Kim <jaegeuk@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0259/1017] f2fs: fix to enable ATGC correctly via gc_idle sysfs interface

From: Chao Yu <chao@...nel.org>

[ Upstream commit 7d19e3dab0002e527052b0aaf986e8c32e5537bf ]

It needs to assign sbi->gc_mode with GC_IDLE_AT rather than GC_AT when
user tries to enable ATGC via gc_idle sysfs interface, fix it.

Fixes: 093749e296e2 ("f2fs: support age threshold based garbage collection")
Cc: Zhipeng Tan <tanzhipeng@...t.edu.cn>
Signed-off-by: Jicheng Shao <shaojicheng@...t.edu.cn>
Signed-off-by: Chao Yu <chao@...nel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/f2fs/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 8cdeac090f81..8885c7383472 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -473,7 +473,7 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
 		} else if (t == GC_IDLE_AT) {
 			if (!sbi->am.atgc_enabled)
 				return -EINVAL;
-			sbi->gc_mode = GC_AT;
+			sbi->gc_mode = GC_IDLE_AT;
 		} else {
 			sbi->gc_mode = GC_NORMAL;
 		}
-- 
2.34.1