From b635b00e0e159d858486fd899c4021d1d67757e2 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Tue, 21 Oct 2008 17:45:00 +0100 Subject: [PATCH] dm crypt: tidy sector 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 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 8939cba6e748..ad98ded3008c 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -688,7 +688,6 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, 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(struct dm_crypt_io *io) 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(struct dm_crypt_io *io) 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(struct dm_crypt_io *io) */ if (unlikely(r < 0)) break; + + io->sector = sector; } /*