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From:   Jens Axboe <axboe@kernel.dk>
To:     io-uring@vger.kernel.org
Cc:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, akpm@linux-foundation.org,
        Jens Axboe <axboe@kernel.dk>, Theodore Ts'o <tytso@mit.edu>
Subject: [PATCH 13/15] ext4: flag as supporting buffered async reads
Date:   Thu, 18 Jun 2020 08:43:53 -0600
Message-Id: <20200618144355.17324-14-axboe@kernel.dk>
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References: <20200618144355.17324-1-axboe@kernel.dk>
Reply-To: "[PATCHSET v7 0/15]"@vger.kernel.org, Add@vger.kernel.org,
          support@vger.kernel.org, for@vger.kernel.org,
          async@vger.kernel.org, buffered@vger.kernel.org,
          reads@vger.kernel.org
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ext4 uses generic_file_read_iter(), which already supports this.

Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/ext4/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 2a01e31a032c..1e827410e9e1 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -839,7 +839,7 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
 			return ret;
 	}
 
-	filp->f_mode |= FMODE_NOWAIT;
+	filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC;
 	return dquot_file_open(inode, filp);
 }
 
-- 
2.27.0