[PATCH 06/11] fs: add O_DIRECT support for sending down write life time hints
From: Jens Axboe <axboe@kernel.dk>
Date: 2017-06-17 20:00:11
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Reviewed-by: Andreas Dilger <redacted> Signed-off-by: Jens Axboe <axboe@kernel.dk> --- fs/block_dev.c | 2 ++ fs/direct-io.c | 2 ++ fs/iomap.c | 1 + 3 files changed, 5 insertions(+)
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);
--
2.7.4