From: Milan Broz Factor out crypt io allocation code. Later patches will call it from another place. No functional change. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 24 +++++++++++++++++------- 1 files changed, 17 insertions(+), 7 deletions(-) Index: linux-2.6.27-rc7/drivers/md/dm-crypt.c =================================================================== --- linux-2.6.27-rc7.orig/drivers/md/dm-crypt.c 2008-09-23 15:11:42.000000000 +0100 +++ linux-2.6.27-rc7/drivers/md/dm-crypt.c 2008-09-23 15:11:43.000000000 +0100 @@ -517,6 +517,22 @@ static void crypt_free_buffer_pages(stru } } +static struct dm_crypt_io *crypt_io_alloc(struct dm_target *ti, + struct bio *bio, sector_t sector) +{ + struct crypt_config *cc = ti->private; + struct dm_crypt_io *io; + + io = mempool_alloc(cc->io_pool, GFP_NOIO); + io->target = ti; + io->base_bio = bio; + io->sector = sector; + io->error = 0; + atomic_set(&io->pending, 0); + + return io; +} + static void crypt_inc_pending(struct dm_crypt_io *io) { atomic_inc(&io->pending); @@ -1113,15 +1129,9 @@ static void crypt_dtr(struct dm_target * static int crypt_map(struct dm_target *ti, struct bio *bio, union map_info *map_context) { - struct crypt_config *cc = ti->private; struct dm_crypt_io *io; - io = mempool_alloc(cc->io_pool, GFP_NOIO); - io->target = ti; - io->base_bio = bio; - io->sector = bio->bi_sector - ti->begin; - io->error = 0; - atomic_set(&io->pending, 0); + io = crypt_io_alloc(ti, bio, bio->bi_sector - ti->begin); if (bio_data_dir(io->base_bio) == READ) kcryptd_queue_io(io);