linux-kernel - [PATCH 09/12] xfs: flag files as supporting buffered async reads

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Message-Id: <20200523185755.8494-10-axboe@kernel.dk>
Date:   Sat, 23 May 2020 12:57:52 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     io-uring@...r.kernel.org
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 09/12] xfs: flag files as supporting buffered async reads

XFS uses generic_file_read_iter(), which already supports this.

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 fs/xfs/xfs_file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 4b8bdecc3863..97f44fbf17f2 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1080,7 +1080,7 @@ xfs_file_open(
 		return -EFBIG;
 	if (XFS_FORCED_SHUTDOWN(XFS_M(inode->i_sb)))
 		return -EIO;
-	file->f_mode |= FMODE_NOWAIT;
+	file->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC;
 	return 0;
 }
 
-- 
2.26.2