diff options
| author | Jens Axboe <axboe@kernel.dk> | 2017-06-16 10:48:58 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-06-17 13:57:07 -0600 |
| commit | ee0a2d2fb4fb589955cbdc3d3cb31cc7b9c35b3b (patch) | |
| tree | bcabef31f415665eef52178c03293222c05ee71a | |
| parent | f3d8911e36b289a9330125c27b05bd4838d62cb6 (diff) | |
fs: add O_DIRECT support for sending down write life time hints
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/block_dev.c | 2 | ||||
| -rw-r--r-- | fs/direct-io.c | 2 | ||||
| -rw-r--r-- | fs/iomap.c | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 519599dddd36..b9222a9d285e 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -239,6 +239,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, should_dirty = true; } else { bio.bi_opf = dio_bio_write_op(iocb); + bio.bi_opf |= write_hint_to_opf(iocb_write_hint(iocb)); task_io_account_write(ret); } @@ -374,6 +375,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) bio_set_pages_dirty(bio); } else { bio->bi_opf = dio_bio_write_op(iocb); + bio->bi_opf |= write_hint_to_opf(iocb_write_hint(iocb)); task_io_account_write(bio->bi_iter.bi_size); } diff --git a/fs/direct-io.c b/fs/direct-io.c index a04ebea77de8..1253b059eae6 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -386,6 +386,8 @@ 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 4b10892967a5..e8639861bd80 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -804,6 +804,7 @@ 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->bi_opf |= write_hint_to_opf(inode_write_hint(inode)); task_io_account_write(bio->bi_iter.bi_size); } else { bio_set_op_attrs(bio, REQ_OP_READ, 0); |