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| author | Jens Axboe | 2017-06-27 19:01:22 +0200 |
|---|---|---|
| committer | Jens Axboe | 2017-06-27 20:05:36 +0200 |
| commit | 45d06cf701a3866e0d246789039a46370af60223 (patch) | |
| tree | 302e1b84ff0e62cf04fbc1d002008fdc637eabdd | |
| parent | blk-mq: expose write hints through debugfs (diff) | |
| download | kernel-qcow2-linux-45d06cf701a3866e0d246789039a46370af60223.tar.gz kernel-qcow2-linux-45d06cf701a3866e0d246789039a46370af60223.tar.xz kernel-qcow2-linux-45d06cf701a3866e0d246789039a46370af60223.zip | |
fs: add O_DIRECT and aio support for sending down write life time hints
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/aio.c | 1 | ||||
| -rw-r--r-- | fs/block_dev.c | 2 | ||||
| -rw-r--r-- | fs/direct-io.c | 2 | ||||
| -rw-r--r-- | fs/iomap.c | 1 |
4 files changed, 6 insertions, 0 deletions
@@ -1568,6 +1568,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->common.ki_pos = iocb->aio_offset; req->common.ki_complete = aio_complete; req->common.ki_flags = iocb_flags(req->common.ki_filp); + req->common.ki_hint = file_write_hint(file); if (iocb->aio_flags & IOCB_FLAG_RESFD) { /* diff --git a/fs/block_dev.c b/fs/block_dev.c index dd91c99e9ba0..2c5f08696fff 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -225,6 +225,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, bio_init(&bio, vecs, nr_pages); bio.bi_bdev = bdev; bio.bi_iter.bi_sector = pos >> 9; + bio.bi_write_hint = iocb->ki_hint; bio.bi_private = current; bio.bi_end_io = blkdev_bio_end_io_simple; @@ -360,6 +361,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) for (;;) { bio->bi_bdev = bdev; bio->bi_iter.bi_sector = pos >> 9; + bio->bi_write_hint = iocb->ki_hint; bio->bi_private = dio; bio->bi_end_io = blkdev_bio_end_io; diff --git a/fs/direct-io.c b/fs/direct-io.c index c87077d1dc33..08cf27811e5a 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_write_hint = dio->iocb->ki_hint; + 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..fa6cd5b3f578 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -793,6 +793,7 @@ iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length, bio->bi_bdev = iomap->bdev; bio->bi_iter.bi_sector = iomap->blkno + ((pos - iomap->offset) >> 9); + bio->bi_write_hint = dio->iocb->ki_hint; bio->bi_private = dio; bio->bi_end_io = iomap_dio_bio_end_io; |