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dm crypt: tidy write loop pending

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Move kcryptd_crypt_write_convert_loop inside kcryptd_crypt_write_convert.
This change is needed for a later patch.

No functional change.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz 2008-10-10 13:37:04 +01:00 committed by Alasdair G Kergon
parent dc440d1e56
commit fc5a5e9aa8
1 changed files with 9 additions and 16 deletions
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25
drivers/md/dm-crypt.c
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@ -691,13 +691,19 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io,
}
}
static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io)
static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
{
struct crypt_config *cc = io->target->private;
struct bio *clone;
unsigned remaining = io->base_bio->bi_size;
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);
/*
* The allocated buffers can be smaller than the whole bio,
* so repeat the whole process until all the data can be handled.
@ -706,7 +712,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io)
clone = crypt_alloc_buffer(io, remaining);
if (unlikely(!clone)) {
io->error = -ENOMEM;
return;
break;
}
io->ctx.bio_out = clone;
@ -720,7 +726,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io)
/* processed, no running async crypto */
kcryptd_crypt_write_io_submit(io, r, 0);
if (unlikely(r < 0))
return;
break;
} else
crypt_inc_pending(io);
@ -732,19 +738,6 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io)
congestion_wait(WRITE, HZ/100);
}
}
}
static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
{
struct crypt_config *cc = io->target->private;
/*
* Prevent io from disappearing until this function completes.
*/
crypt_inc_pending(io);
crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector);
kcryptd_crypt_write_convert_loop(io);
crypt_dec_pending(io);
}