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dm crypt: remove unnecessary crypt_context write parm 

Remove write attribute from convert_context and use bio flag instead.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz 2008-02-08 02:10:41 +00:00 committed by Alasdair G Kergon
parent 53017030e2
commit fcd369daa3
1 changed files with 4 additions and 6 deletions
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10
drivers/md/dm-crypt.c
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@ -38,7 +38,6 @@ struct convert_context {
unsigned int idx_in;
unsigned int idx_out;
sector_t sector;
int write;
};
/*
@ -327,7 +326,7 @@ crypt_convert_scatterlist(struct crypt_config *cc, struct scatterlist *out,
static void crypt_convert_init(struct crypt_config *cc,
struct convert_context *ctx,
struct bio *bio_out, struct bio *bio_in,
sector_t sector, int write)
sector_t sector)
{
ctx->bio_in = bio_in;
ctx->bio_out = bio_out;
@ -336,7 +335,6 @@ static void crypt_convert_init(struct crypt_config *cc,
ctx->idx_in = bio_in ? bio_in->bi_idx : 0;
ctx->idx_out = bio_out ? bio_out->bi_idx : 0;
ctx->sector = sector + cc->iv_offset;
ctx->write = write;
}
/*
@ -372,7 +370,7 @@ static int crypt_convert(struct crypt_config *cc,
}
r = crypt_convert_scatterlist(cc, &sg_out, &sg_in, sg_in.length,
ctx->write, ctx->sector);
bio_data_dir(ctx->bio_in) == WRITE, ctx->sector);
if (r < 0)
break;
@ -587,7 +585,7 @@ static void process_write(struct dm_crypt_io *io)
atomic_inc(&io->pending);
crypt_convert_init(cc, &io->ctx, NULL, base_bio, sector, 1);
crypt_convert_init(cc, &io->ctx, NULL, base_bio, sector);
/*
* The allocated buffers can be smaller than the whole bio,
@ -638,7 +636,7 @@ static void process_read_endio(struct dm_crypt_io *io)
struct crypt_config *cc = io->target->private;
crypt_convert_init(cc, &io->ctx, io->base_bio, io->base_bio,
io->base_bio->bi_sector - io->target->begin, 0);
io->base_bio->bi_sector - io->target->begin);
crypt_dec_pending(io, crypt_convert(cc, &io->ctx));
}