The crypt module will duplicate a given bio in its own way, so the newly
allocated bio should inherit the the io_context from the original one.

Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>


--- linux-2.6.25.bio0/drivers/md/dm-crypt.c	2008-04-22 15:48:36.000000000 +0900
+++ linux-2.6.25/drivers/md/dm-crypt.c	2008-04-22 15:53:28.000000000 +0900
@@ -581,6 +581,7 @@ static void clone_init(struct dm_crypt_i
 	clone->bi_end_io  = crypt_endio;
 	clone->bi_bdev    = cc->dev->bdev;
 	clone->bi_rw      = io->base_bio->bi_rw;
+	clone->bi_io_context = ioc_object_link(io->base_bio->bi_io_context);
 	clone->bi_destructor = dm_crypt_bio_destructor;
 }
 

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