From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Subject: [PATCH] f2fs: allow parallel DIO reads
Date: Thu, 10 Oct 2024 00:09:23 +0000 [thread overview]
Message-ID: <20241010000923.1278817-1-jaegeuk@kernel.org> (raw)
This fixes a regression which prevents parallel DIO reads.
Fixes: 0cac51185e65 ("f2fs: fix to avoid racing in between read and OPU dio write")
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
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 71d5ded9eeda..adc7d64a6f47 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4647,7 +4647,8 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
iov_iter_count(to), READ);
/* In LFS mode, if there is inflight dio, wait for its completion */
- if (f2fs_lfs_mode(F2FS_I_SB(inode)))
+ if (f2fs_lfs_mode(F2FS_I_SB(inode)) &&
+ get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE))
inode_dio_wait(inode);
if (f2fs_should_use_dio(inode, iocb, to)) {
--
2.47.0.rc1.288.g06298d1525-goog
next reply other threads:[~2024-10-10 0:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-10 0:09 Jaegeuk Kim [this message]
2024-10-10 19:56 ` [f2fs-dev] " Daeho Jeong
2024-10-10 20:10 ` patchwork-bot+f2fs
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