From: Weichao Guo <guoweichao@oppo.com>
Date: Wed, 7 Sep 2022 02:38:48 +0000 (+0800)
Subject: f2fs: let FI_OPU_WRITE override FADVISE_COLD_BIT
X-Git-Tag: v6.1-rc1~61^2~14
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=f3b23c785aa5d1920f479533f1d7361c2feceea5;p=linux-block.git

f2fs: let FI_OPU_WRITE override FADVISE_COLD_BIT

Cold files may be fragmented due to SSR, defragment is needed as
sequential reads are dominant scenarios of these files. FI_OPU_WRITE
should override FADVISE_COLD_BIT to avoid defragment fails.

Signed-off-by: Weichao Guo <guoweichao@oppo.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 87524d3dce22..a737eedef779 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2543,7 +2543,7 @@ bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
 		return true;
 
 	/* if this is cold file, we should overwrite to avoid fragmentation */
-	if (file_is_cold(inode))
+	if (file_is_cold(inode) && !is_inode_flag_set(inode, FI_OPU_WRITE))
 		return true;
 
 	return check_inplace_update_policy(inode, fio);