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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>, Chris Mason <clm@fb.com>
Subject: [PATCH 12/15] btrfs: flag files as supporting buffered async reads
Date:   Thu, 18 Jun 2020 08:43:52 -0600
Message-Id: <20200618144355.17324-13-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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btrfs uses generic_file_read_iter(), which already supports this.

Acked-by: Chris Mason <clm@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/btrfs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 2c14312b05e8..234a418eb6da 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3472,7 +3472,7 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int whence)
 
 static int btrfs_file_open(struct inode *inode, struct file *filp)
 {
-	filp->f_mode |= FMODE_NOWAIT;
+	filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC;
 	return generic_file_open(inode, filp);
 }
 
-- 
2.27.0