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| author | Milan Broz <mbroz@redhat.com> | 2008-02-08 02:10:38 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2008-02-08 02:10:38 +0000 |
| commit | 53017030e2548dffbe481fb4ab6b587abbee6f8b (patch) | |
| tree | 83831c963242bfafb6c753960ef3a50b3fd1e314 /drivers/md/dm-crypt.c | |
| parent | 009cd09042fbd095e708b412ad7870fb421fa2f0 (diff) | |
| download | linux-53017030e2548dffbe481fb4ab6b587abbee6f8b.tar.gz linux-53017030e2548dffbe481fb4ab6b587abbee6f8b.tar.bz2 linux-53017030e2548dffbe481fb4ab6b587abbee6f8b.zip | |
dm crypt: move convert_context inside dm_crypt_io
Move convert_context inside dm_crypt_io.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 6b66ee46b87d..af8cd99daa5b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -28,17 +28,6 @@ #define MESG_STR(x) x, sizeof(x) /* - * per bio private data - */ -struct dm_crypt_io { - struct dm_target *target; - struct bio *base_bio; - struct work_struct work; - atomic_t pending; - int error; -}; - -/* * context holding the current state of a multi-part conversion */ struct convert_context { @@ -52,6 +41,20 @@ struct convert_context { int write; }; +/* + * per bio private data + */ +struct dm_crypt_io { + struct dm_target *target; + struct bio *base_bio; + struct work_struct work; + + struct convert_context ctx; + + atomic_t pending; + int error; +}; + struct crypt_config; struct crypt_iv_operations { @@ -579,13 +582,12 @@ static void process_write(struct dm_crypt_io *io) struct crypt_config *cc = io->target->private; struct bio *base_bio = io->base_bio; struct bio *clone; - struct convert_context ctx; unsigned remaining = base_bio->bi_size; sector_t sector = base_bio->bi_sector - io->target->begin; atomic_inc(&io->pending); - crypt_convert_init(cc, &ctx, NULL, base_bio, sector, 1); + crypt_convert_init(cc, &io->ctx, NULL, base_bio, sector, 1); /* * The allocated buffers can be smaller than the whole bio, @@ -598,10 +600,10 @@ static void process_write(struct dm_crypt_io *io) return; } - ctx.bio_out = clone; - ctx.idx_out = 0; + io->ctx.bio_out = clone; + io->ctx.idx_out = 0; - if (unlikely(crypt_convert(cc, &ctx) < 0)) { + if (unlikely(crypt_convert(cc, &io->ctx) < 0)) { crypt_free_buffer_pages(cc, clone); bio_put(clone); crypt_dec_pending(io, -EIO); @@ -609,7 +611,7 @@ static void process_write(struct dm_crypt_io *io) } /* crypt_convert should have filled the clone bio */ - BUG_ON(ctx.idx_out < clone->bi_vcnt); + BUG_ON(io->ctx.idx_out < clone->bi_vcnt); clone->bi_sector = cc->start + sector; remaining -= clone->bi_size; @@ -634,12 +636,11 @@ static void process_write(struct dm_crypt_io *io) static void process_read_endio(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; - struct convert_context ctx; - crypt_convert_init(cc, &ctx, io->base_bio, io->base_bio, + crypt_convert_init(cc, &io->ctx, io->base_bio, io->base_bio, io->base_bio->bi_sector - io->target->begin, 0); - crypt_dec_pending(io, crypt_convert(cc, &ctx)); + crypt_dec_pending(io, crypt_convert(cc, &io->ctx)); } static void kcryptd_do_work(struct work_struct *work) |