From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jens Axboe To: linux-block@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, hch@lst.de, martin.petersen@oracle.com, Jens Axboe Subject: [PATCH 4/9] fs: add O_DIRECT support for sending down write life time hints Date: Mon, 26 Jun 2017 09:37:55 -0600 Message-Id: <1498491480-16306-5-git-send-email-axboe@kernel.dk> In-Reply-To: <1498491480-16306-1-git-send-email-axboe@kernel.dk> References: <1498491480-16306-1-git-send-email-axboe@kernel.dk> List-ID: Reviewed-by: Andreas Dilger Reviewed-by: Martin K. Petersen Signed-off-by: Jens Axboe --- fs/block_dev.c | 2 ++ fs/direct-io.c | 2 ++ fs/iomap.c | 5 ++++- 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index dd91c99e9ba0..30e1fb65c2fa 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -183,6 +183,8 @@ static unsigned int dio_bio_write_op(struct kiocb *iocb) /* avoid the need for a I/O completion work item */ if (iocb->ki_flags & IOCB_DSYNC) op |= REQ_FUA; + + op |= write_hint_to_opf(iocb_write_hint(iocb)); return op; } diff --git a/fs/direct-io.c b/fs/direct-io.c index c87077d1dc33..5fea570551e5 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -385,6 +385,8 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, else bio->bi_end_io = dio_bio_end_io; + bio->bi_opf |= write_hint_to_opf(iocb_write_hint(dio->iocb)); + sdio->bio = bio; sdio->logical_offset_in_bio = sdio->cur_page_fs_offset; } diff --git a/fs/iomap.c b/fs/iomap.c index c71a64b97fba..42d4ecf3ba54 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -803,7 +803,10 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length, } if (dio->flags & IOMAP_DIO_WRITE) { - bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC | REQ_IDLE); + bio_set_op_attrs(bio, REQ_OP_WRITE, + REQ_SYNC | REQ_IDLE); + bio->bi_opf |= + write_hint_to_opf(iocb_write_hint(dio->iocb)); task_io_account_write(bio->bi_iter.bi_size); } else { bio_set_op_attrs(bio, REQ_OP_READ, 0); -- 2.7.4