diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-crypt.c | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 278659975d7..5b83204b659 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2003 Christophe Saout <christophe@saout.de> * Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org> - * Copyright (C) 2006 Red Hat, Inc. All rights reserved. + * Copyright (C) 2006-2007 Red Hat, Inc. All rights reserved. * * This file is released under the GPL. */ @@ -481,14 +481,14 @@ static void crypt_dec_pending(struct dm_crypt_io *io) * starved by new requests which can block in the first stages due * to memory allocation. */ -static void kcryptd_do_work(struct work_struct *work); -static void kcryptd_do_crypt(struct work_struct *work); +static void kcryptd_io(struct work_struct *work); +static void kcryptd_crypt(struct work_struct *work); static void kcryptd_queue_io(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; - INIT_WORK(&io->work, kcryptd_do_work); + INIT_WORK(&io->work, kcryptd_io); queue_work(cc->io_queue, &io->work); } @@ -496,7 +496,7 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; - INIT_WORK(&io->work, kcryptd_do_crypt); + INIT_WORK(&io->work, kcryptd_crypt); queue_work(cc->crypt_queue, &io->work); } @@ -539,7 +539,7 @@ static void clone_init(struct dm_crypt_io *io, struct bio *clone) clone->bi_destructor = dm_crypt_bio_destructor; } -static void process_read(struct dm_crypt_io *io) +static void kcryptd_io_read(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *base_bio = io->base_bio; @@ -571,7 +571,15 @@ static void process_read(struct dm_crypt_io *io) generic_make_request(clone); } -static void process_write(struct dm_crypt_io *io) +static void kcryptd_io_write(struct dm_crypt_io *io) +{ +} + +static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int error) +{ +} + +static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *base_bio = io->base_bio; @@ -629,7 +637,7 @@ static void process_write(struct dm_crypt_io *io) } } -static void crypt_read_done(struct dm_crypt_io *io, int error) +static void kcryptd_crypt_read_done(struct dm_crypt_io *io, int error) { if (unlikely(error < 0)) io->error = -EIO; @@ -637,7 +645,7 @@ static void crypt_read_done(struct dm_crypt_io *io, int error) crypt_dec_pending(io); } -static void process_read_endio(struct dm_crypt_io *io) +static void kcryptd_crypt_read_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; int r = 0; @@ -647,25 +655,27 @@ static void process_read_endio(struct dm_crypt_io *io) r = crypt_convert(cc, &io->ctx); - crypt_read_done(io, r); + kcryptd_crypt_read_done(io, r); } -static void kcryptd_do_work(struct work_struct *work) +static void kcryptd_io(struct work_struct *work) { struct dm_crypt_io *io = container_of(work, struct dm_crypt_io, work); if (bio_data_dir(io->base_bio) == READ) - process_read(io); + kcryptd_io_read(io); + else + kcryptd_io_write(io); } -static void kcryptd_do_crypt(struct work_struct *work) +static void kcryptd_crypt(struct work_struct *work) { struct dm_crypt_io *io = container_of(work, struct dm_crypt_io, work); if (bio_data_dir(io->base_bio) == READ) - process_read_endio(io); + kcryptd_crypt_read_convert(io); else - process_write(io); + kcryptd_crypt_write_convert(io); } /* |