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Commit 84131db6 authored by Milan Broz's avatar Milan Broz Committed by Alasdair G Kergon
Browse files

dm crypt: introduce crypt_write_io_loop 



Introduce crypt_write_io_loop().

Signed-off-by: default avatarMilan Broz <mbroz@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent dec1cedf

drivers/md/dm-crypt.c

+11 −5
Original line number Original line Diff line number Diff line
@@ -595,17 +595,13 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int error) 
	io->sector += bio_sectors(clone);

	io->sector += bio_sectors(clone);

}

}





static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)

static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io)

{

{

	struct crypt_config *cc = io->target->private;

	struct crypt_config *cc = io->target->private;

	struct bio *clone;

	struct bio *clone;

	unsigned remaining = io->base_bio->bi_size;

	unsigned remaining = io->base_bio->bi_size;

	int r;

	int r;





	atomic_inc(&io->pending);



	crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector);



	/*

	/*

	 * The allocated buffers can be smaller than the whole bio,

	 * The allocated buffers can be smaller than the whole bio,

	 * so repeat the whole process until all the data can be handled.

	 * so repeat the whole process until all the data can be handled.
@@ -645,6 +641,16 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) 
	}

	}

}

}





static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)

{

	struct crypt_config *cc = io->target->private;



	atomic_inc(&io->pending);



	crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector);

	kcryptd_crypt_write_convert_loop(io);

}



static void kcryptd_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))

	if (unlikely(error < 0))