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Thu, 18 Jun 2020 07:44:14 -0700 (PDT) From: Jens Axboe 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 , Chris Mason 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> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200618144355.17324-1-axboe@kernel.dk> References: <20200618144355.17324-1-axboe@kernel.dk> Reply-To: "[PATCHSET v7 0/15]"@smtpin04.hostedemail.com, Add@smtpin04.hostedemail.com, support@smtpin04.hostedemail.com, for@smtpin04.hostedemail.com, async@smtpin04.hostedemail.com, buffered@smtpin04.hostedemail.com, reads@smtpin04.hostedemail.com MIME-Version: 1.0 X-Rspamd-Queue-Id: B369680A5DEA X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: btrfs uses generic_file_read_iter(), which already supports this. Acked-by: Chris Mason Signed-off-by: Jens Axboe --- 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) =20 static int btrfs_file_open(struct inode *inode, struct file *filp) { - filp->f_mode |=3D FMODE_NOWAIT; + filp->f_mode |=3D FMODE_NOWAIT | FMODE_BUF_RASYNC; return generic_file_open(inode, filp); } =20 --=20 2.27.0