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authorJens Axboe <axboe@kernel.dk>2017-06-27 11:01:22 -0600
committerJens Axboe <axboe@kernel.dk>2017-06-27 12:05:36 -0600
commit45d06cf701a3866e0d246789039a46370af60223 (patch)
tree302e1b84ff0e62cf04fbc1d002008fdc637eabdd /fs
parentf793dfd3f39a3dc50468b06498606b3a906f42f1 (diff)
downloadlinux-45d06cf701a3866e0d246789039a46370af60223.tar.bz2
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/aio.c1
-rw-r--r--fs/block_dev.c2
-rw-r--r--fs/direct-io.c2
-rw-r--r--fs/iomap.c1
4 files changed, 6 insertions, 0 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 34027b67e2f4..dcad3a66748c 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -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;