linux-kernel - [PATCH] f2fs: zone: wait for inflight dio completion, excluding pinned files

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Message-ID: <20250721054135.1919-1-yohan.joung@sk.com>
Date: Mon, 21 Jul 2025 14:41:34 +0900
From: "yohan.joung" <yohan.joung@...com>
To: jaegeuk@...nel.org,
	chao@...nel.org
Cc: linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	pilhyun.kim@...com,
	"yohan.joung" <yohan.joung@...com>
Subject: [PATCH] f2fs: zone: wait for inflight dio completion, excluding pinned files

pinfile is excluded as it operates with direct I/O

Signed-off-by: yohan.joung <yohan.joung@...com>
---
 fs/f2fs/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 4039ccb5022c..cac8c9650a7a 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4844,7 +4844,8 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
 
 	/* In LFS mode, if there is inflight dio, wait for its completion */
 	if (f2fs_lfs_mode(F2FS_I_SB(inode)) &&
-	    get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE))
+	    get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE) &&
+		!f2fs_is_pinned_file(inode))
 		inode_dio_wait(inode);
 
 	if (f2fs_should_use_dio(inode, iocb, to)) {
-- 
2.33.0