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authorJens Axboe <axboe@kernel.dk>2017-06-27 20:01:22 +0300
committerJens Axboe <axboe@kernel.dk>2017-06-27 21:05:36 +0300
commit45d06cf701a3866e0d246789039a46370af60223 (patch)
tree302e1b84ff0e62cf04fbc1d002008fdc637eabdd /fs/block_dev.c
parentf793dfd3f39a3dc50468b06498606b3a906f42f1 (diff)
downloadlinux-45d06cf701a3866e0d246789039a46370af60223.tar.xz
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/block_dev.c')
-rw-r--r--fs/block_dev.c2
1 files changed, 2 insertions, 0 deletions
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;