Commit 0a4a1047 authored by Milan Broz's avatar Milan Broz Committed by Alasdair G Kergon
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dm crypt: remove waitqueue 



Remove waitqueue no longer needed with the async crypto interface.

Signed-off-by: default avatarMilan Broz <mbroz@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 393b47ef

drivers/md/dm-crypt.c

+0 −8
Original line number Diff line number Diff line
@@ -94,7 +94,6 @@ struct crypt_config { 


	struct workqueue_struct *io_queue;

	struct workqueue_struct *crypt_queue;

	wait_queue_head_t writeq;



	/*

	 * crypto related data
@@ -656,10 +655,7 @@ static void kcryptd_io_read(struct dm_crypt_io *io) 
static void kcryptd_io_write(struct dm_crypt_io *io)

{

	struct bio *clone = io->ctx.bio_out;

	struct crypt_config *cc = io->target->private;



	generic_make_request(clone);

	wake_up(&cc->writeq);

}



static void kcryptd_io(struct work_struct *work)
@@ -791,9 +787,6 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) 


			io = new_io;

		}



		if (unlikely(remaining))

			wait_event(cc->writeq, !atomic_read(&io->ctx.pending));

	}



	crypt_dec_pending(io);
@@ -1120,7 +1113,6 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) 
		goto bad_crypt_queue;

	}



	init_waitqueue_head(&cc->writeq);

	ti->private = cc;

	return 0;