From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Subject: [PATCH 2/2] f2fs: allow dio read for LFS mode
Date: Fri, 11 Nov 2016 13:03:04 -0800 [thread overview]
Message-ID: <20161111210304.4736-2-jaegeuk@kernel.org> (raw)
In-Reply-To: <20161111210304.4736-1-jaegeuk@kernel.org>
We can allow dio reads for LFS mode, while doing buffered writes for dio writes.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ca53da5..996b9ae 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1732,7 +1732,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
return 0;
- if (test_opt(F2FS_I_SB(inode), LFS))
+ if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS))
return 0;
trace_f2fs_direct_IO_enter(inode, offset, count, rw);
--
2.8.3
next prev parent reply other threads:[~2016-11-11 21:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-11 21:03 [PATCH 1/2] f2fs: revert segment allocation for direct IO Jaegeuk Kim
2016-11-11 21:03 ` Jaegeuk Kim [this message]
2016-11-25 15:54 ` [f2fs-dev] [PATCH 2/2] f2fs: allow dio read for LFS mode Chao Yu
2016-11-25 18:14 ` Jaegeuk Kim
2016-11-25 16:01 ` [f2fs-dev] [PATCH 1/2] f2fs: revert segment allocation for direct IO Chao Yu
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