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authorKent Overstreet <kent.overstreet@gmail.com>2018-05-20 18:25:55 -0400
committerJens Axboe <axboe@kernel.dk>2018-05-30 15:33:32 -0600
commit52190f8abe7f2bf2b4e5f9760cbcc1427ca2136b (patch)
tree4461057fe81cd05ef5217b1b562c7df9274f16dd /fs/block_dev.c
parenta47a28b74a5c7c27bf621276b85ad6c124651236 (diff)
downloadlinux-52190f8abe7f2bf2b4e5f9760cbcc1427ca2136b.tar.bz2
fs: convert block_dev.c to bioset_init()
Convert block DIO code to embedded bio sets. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 81c57c14fae8..bef6934b6189 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -272,7 +272,7 @@ struct blkdev_dio {
struct bio bio;
};
-static struct bio_set *blkdev_dio_pool __read_mostly;
+static struct bio_set blkdev_dio_pool;
static void blkdev_bio_end_io(struct bio *bio)
{
@@ -334,7 +334,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
(bdev_logical_block_size(bdev) - 1))
return -EINVAL;
- bio = bio_alloc_bioset(GFP_KERNEL, nr_pages, blkdev_dio_pool);
+ bio = bio_alloc_bioset(GFP_KERNEL, nr_pages, &blkdev_dio_pool);
bio_get(bio); /* extra ref for the completion handler */
dio = container_of(bio, struct blkdev_dio, bio);
@@ -432,10 +432,7 @@ blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
static __init int blkdev_init(void)
{
- blkdev_dio_pool = bioset_create(4, offsetof(struct blkdev_dio, bio), BIOSET_NEED_BVECS);
- if (!blkdev_dio_pool)
- return -ENOMEM;
- return 0;
+ return bioset_init(&blkdev_dio_pool, 4, offsetof(struct blkdev_dio, bio), BIOSET_NEED_BVECS);
}
module_init(blkdev_init);