[dm-devel] [PATCH 08/20] dm-crypt: simplify io queue
Mikulas Patocka
mpatocka at redhat.com
Tue Aug 21 09:09:19 UTC 2012
Signed-off-by: Mikulas Patocka <mpatocka at redhat.com>
---
drivers/md/dm-crypt.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 4fd0d4b..967d218 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1084,13 +1084,7 @@ static void kcryptd_io(struct work_struct *work)
{
struct dm_crypt_io *io = container_of(work, struct dm_crypt_io, work);
- if (bio_data_dir(io->base_bio) == READ) {
- crypt_inc_pending(io);
- if (kcryptd_io_read(io, GFP_NOIO))
- io->error = -ENOMEM;
- crypt_dec_pending(io);
- } else
- kcryptd_io_write(io);
+ kcryptd_io_write(io);
}
static void kcryptd_queue_io(struct dm_crypt_io *io)
@@ -1846,8 +1840,7 @@ static int crypt_map(struct dm_target *ti, struct bio *bio,
io = crypt_io_alloc(cc, bio, dm_target_offset(ti, bio->bi_sector));
if (bio_data_dir(io->base_bio) == READ) {
- if (kcryptd_io_read(io, GFP_NOWAIT))
- kcryptd_queue_io(io);
+ kcryptd_io_read(io, GFP_NOIO);
} else {
kcryptd_crypt_write_convert(io);
}
--
1.7.10.4
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