diff options
Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r-- | drivers/md/dm-crypt.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 7b0fcfc9eaa..bdc52d6922b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -30,7 +30,7 @@ /* * per bio private data */ -struct crypt_io { +struct dm_crypt_io { struct dm_target *target; struct bio *base_bio; struct work_struct work; @@ -106,7 +106,7 @@ struct crypt_config { static struct kmem_cache *_crypt_io_pool; -static void clone_init(struct crypt_io *, struct bio *); +static void clone_init(struct dm_crypt_io *, struct bio *); /* * Different IV generation algorithms: @@ -382,7 +382,7 @@ static int crypt_convert(struct crypt_config *cc, static void dm_crypt_bio_destructor(struct bio *bio) { - struct crypt_io *io = bio->bi_private; + struct dm_crypt_io *io = bio->bi_private; struct crypt_config *cc = io->target->private; bio_free(bio, cc->bs); @@ -393,7 +393,7 @@ static int crypt_convert(struct crypt_config *cc, * This should never violate the device limitations * May return a smaller bio when running out of pages */ -static struct bio *crypt_alloc_buffer(struct crypt_io *io, unsigned int size) +static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size) { struct crypt_config *cc = io->target->private; struct bio *clone; @@ -479,7 +479,7 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, * One of the bios was finished. Check for completion of * the whole request and correctly clean up the buffer. */ -static void dec_pending(struct crypt_io *io, int error) +static void dec_pending(struct dm_crypt_io *io, int error) { struct crypt_config *cc = (struct crypt_config *) io->target->private; @@ -503,7 +503,7 @@ static void dec_pending(struct crypt_io *io, int error) static struct workqueue_struct *_kcryptd_workqueue; static void kcryptd_do_work(struct work_struct *work); -static void kcryptd_queue_io(struct crypt_io *io) +static void kcryptd_queue_io(struct dm_crypt_io *io) { INIT_WORK(&io->work, kcryptd_do_work); queue_work(_kcryptd_workqueue, &io->work); @@ -511,7 +511,7 @@ static void kcryptd_queue_io(struct crypt_io *io) static int crypt_endio(struct bio *clone, unsigned int done, int error) { - struct crypt_io *io = clone->bi_private; + struct dm_crypt_io *io = clone->bi_private; struct crypt_config *cc = io->target->private; unsigned read_io = bio_data_dir(clone) == READ; @@ -545,7 +545,7 @@ out: return error; } -static void clone_init(struct crypt_io *io, struct bio *clone) +static void clone_init(struct dm_crypt_io *io, struct bio *clone) { struct crypt_config *cc = io->target->private; @@ -556,7 +556,7 @@ static void clone_init(struct crypt_io *io, struct bio *clone) clone->bi_destructor = dm_crypt_bio_destructor; } -static void process_read(struct crypt_io *io) +static void process_read(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *base_bio = io->base_bio; @@ -587,7 +587,7 @@ static void process_read(struct crypt_io *io) generic_make_request(clone); } -static void process_write(struct crypt_io *io) +static void process_write(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *base_bio = io->base_bio; @@ -644,7 +644,7 @@ static void process_write(struct crypt_io *io) } } -static void process_read_endio(struct crypt_io *io) +static void process_read_endio(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct convert_context ctx; @@ -657,7 +657,7 @@ static void process_read_endio(struct crypt_io *io) static void kcryptd_do_work(struct work_struct *work) { - struct crypt_io *io = container_of(work, struct crypt_io, work); + struct dm_crypt_io *io = container_of(work, struct dm_crypt_io, work); if (io->post_process) process_read_endio(io); @@ -920,6 +920,8 @@ static void crypt_dtr(struct dm_target *ti) { struct crypt_config *cc = (struct crypt_config *) ti->private; + flush_workqueue(_kcryptd_workqueue); + bioset_free(cc->bs); mempool_destroy(cc->page_pool); mempool_destroy(cc->io_pool); @@ -939,10 +941,7 @@ static int crypt_map(struct dm_target *ti, struct bio *bio, union map_info *map_context) { struct crypt_config *cc = ti->private; - struct crypt_io *io; - - if (bio_barrier(bio)) - return -EOPNOTSUPP; + struct dm_crypt_io *io; io = mempool_alloc(cc->io_pool, GFP_NOIO); io->target = ti; @@ -1062,9 +1061,7 @@ static int __init dm_crypt_init(void) { int r; - _crypt_io_pool = kmem_cache_create("dm-crypt_io", - sizeof(struct crypt_io), - 0, 0, NULL, NULL); + _crypt_io_pool = KMEM_CACHE(dm_crypt_io, 0); if (!_crypt_io_pool) return -ENOMEM; |