From: Milan Broz Prepare local sector variable (offset) for later patch. Do not update io->sector for still-running I/O. No functional change. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) Index: linux-2.6.27/drivers/md/dm-crypt.c =================================================================== --- linux-2.6.27.orig/drivers/md/dm-crypt.c 2008-10-21 17:33:46.000000000 +0100 +++ linux-2.6.27/drivers/md/dm-crypt.c 2008-10-21 17:33:47.000000000 +0100 @@ -688,7 +688,6 @@ static void kcryptd_crypt_write_io_submi BUG_ON(io->ctx.idx_out < clone->bi_vcnt); clone->bi_sector = cc->start + io->sector; - io->sector += bio_sectors(clone); if (async) kcryptd_queue_io(io); @@ -703,13 +702,14 @@ static void kcryptd_crypt_write_convert( int crypt_finished; unsigned out_of_pages = 0; unsigned remaining = io->base_bio->bi_size; + sector_t sector = io->sector; int r; /* * Prevent io from disappearing until this function completes. */ crypt_inc_pending(io); - crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); + crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, sector); /* * The allocated buffers can be smaller than the whole bio, @@ -726,6 +726,7 @@ static void kcryptd_crypt_write_convert( io->ctx.idx_out = 0; remaining -= clone->bi_size; + sector += bio_sectors(clone); crypt_inc_pending(io); r = crypt_convert(cc, &io->ctx); @@ -741,6 +742,8 @@ static void kcryptd_crypt_write_convert( */ if (unlikely(r < 0)) break; + + io->sector = sector; } /*