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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Chao Yu <chao.yu@oppo.com>,
        Jaegeuk Kim <jaegeuk@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.18 0928/1095] f2fs: dont set GC_FAILURE_PIN for background GC
Date:   Mon, 15 Aug 2022 20:05:27 +0200
Message-Id: <20220815180507.633833003@linuxfoundation.org>
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From: Chao Yu <chao@kernel.org>

[ Upstream commit 642c0969916eaa4878cb74f36752108e590b0389 ]

So that it can reduce the possibility that file be unpinned forcely by
foreground GC due to .i_gc_failures[GC_FAILURE_PIN] exceeds threshold.

Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/gc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index e83c07144d8f..6a7e4148ff9d 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1202,7 +1202,8 @@ static int move_data_block(struct inode *inode, block_t bidx,
 	}
 
 	if (f2fs_is_pinned_file(inode)) {
-		f2fs_pin_file_control(inode, true);
+		if (gc_type == FG_GC)
+			f2fs_pin_file_control(inode, true);
 		err = -EAGAIN;
 		goto out;
 	}
-- 
2.35.1