linux-kernel - [PATCH] f2fs: zone: fix to don't trigger OPU on pinfile for direct IO

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Date: Fri, 26 Apr 2024 18:35:28 +0800
From: Chao Yu <chao@...nel.org>
To: jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Chao Yu <chao@...nel.org>,
	Daeho Jeong <daeho43@...il.com>
Subject: [PATCH] f2fs: zone: fix to don't trigger OPU on pinfile for direct IO

Otherwise, it breaks pinfile's sematics.

Cc: Daeho Jeong <daeho43@...il.com>
Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/data.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index bee1e45f76b8..e29000d83d52 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1596,7 +1596,8 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
 
 	/* use out-place-update for direct IO under LFS mode */
 	if (map->m_may_create &&
-	    (is_hole || (f2fs_lfs_mode(sbi) && flag == F2FS_GET_BLOCK_DIO))) {
+	    (is_hole || (flag == F2FS_GET_BLOCK_DIO && (f2fs_lfs_mode(sbi) &&
+	    (!f2fs_sb_has_blkzoned(sbi) || !f2fs_is_pinned_file(inode)))))) {
 		if (unlikely(f2fs_cp_error(sbi))) {
 			err = -EIO;
 			goto sync_out;
-- 
2.40.1