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yaml
---
r: 84578
b: refs/heads/master
c: 4e4eef6
h: refs/heads/master
v: v3
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Milan Broz authored and Alasdair G Kergon committed Feb 8, 2008
1 parent 01d802e commit f9e10e0
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Showing 2 changed files with 26 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ee7a491e62214bfd56c97c1fef3672c09e2a700d
refs/heads/master: 4e4eef64e246694a6302c3ee95ac9b60c40f877e
40 changes: 25 additions & 15 deletions trunk/drivers/md/dm-crypt.c
Original file line number Diff line number Diff line change
@@ -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.
*/
Expand Down Expand Up @@ -481,22 +481,22 @@ 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);
}

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);
}

Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -629,15 +637,15 @@ 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;

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;
Expand All @@ -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);
}

/*
Expand Down

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