dm-crypt: remove completion restart

It won't be used in this context anyway.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

---
 drivers/md/dm-crypt.c |    5 -----
 1 file changed, 5 deletions(-)

Index: linux-3.2-fast/drivers/md/dm-crypt.c
===================================================================
--- linux-3.2-fast.orig/drivers/md/dm-crypt.c	2012-01-15 23:30:13.000000000 +0100
+++ linux-3.2-fast/drivers/md/dm-crypt.c	2012-01-15 23:30:15.000000000 +0100
@@ -34,7 +34,6 @@
  * context holding the current state of a multi-part conversion
  */
 struct convert_context {
-	struct completion restart;
 	struct bio *bio_in;
 	struct bio *bio_out;
 	unsigned int offset_in;
@@ -637,7 +636,6 @@ static void crypt_convert_init(struct cr
 	ctx->idx_in = bio_in ? bio_in->bi_idx : 0;
 	ctx->idx_out = bio_out ? bio_out->bi_idx : 0;
 	ctx->sector = sector + cc->iv_offset;
-	init_completion(&ctx->restart);
 }
 
 static struct dm_crypt_request *dmreq_of_req(struct crypt_config *cc,
@@ -753,8 +751,6 @@ static int crypt_convert(struct crypt_co
 		switch (r) {
 		/* async */
 		case -EBUSY:
-			wait_for_completion(&ctx->restart);
-			INIT_COMPLETION(ctx->restart);
 			/* fall through*/
 		case -EINPROGRESS:
 			ctx->req = NULL;
@@ -1168,7 +1164,6 @@ static void kcryptd_async_done(struct cr
 	struct crypt_config *cc = io->target->private;
 
 	if (error == -EINPROGRESS) {
-		complete(&ctx->restart);
 		return;
 	}