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block: cleanup some of the integrity stuff in blkdev.h 

Don't put functions that are only used in fs/bio-integrity.c in
blkdev.h, it's much cleaner to just keep it in there. Also kill
completely unused bdev_get_tag_size()

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
hifive-unleashed-5.1
Jens Axboe 2008-09-18 09:31:53 -07:00
parent 7ba1fbaa4a
commit 9c02f2b02e
2 changed files with 31 additions and 43 deletions
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31
fs/bio-integrity.c
View File

@ -150,6 +150,29 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
}
EXPORT_SYMBOL(bio_integrity_add_page);
static struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
{
return bdev->bd_disk->integrity;
}
static int bdev_integrity_enabled(struct block_device *bdev, int rw)
{
struct blk_integrity *bi = bdev_get_integrity(bdev);
if (bi == NULL)
return 0;
if (rw == READ && bi->verify_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_READ))
return 1;
if (rw == WRITE && bi->generate_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_WRITE))
return 1;
return 0;
}
/**
* bio_integrity_enabled - Check whether integrity can be passed
* @bio: bio to check
@ -313,6 +336,14 @@ static void bio_integrity_generate(struct bio *bio)
}
}
static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi)
{
if (bi)
return bi->tuple_size;
return 0;
}
/**
* bio_integrity_prep - Prepare bio for integrity I/O
* @bio: bio to prepare

43
include/linux/blkdev.h
View File

@ -1004,47 +1004,6 @@ extern int blk_integrity_compare(struct block_device *, struct block_device *);
extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *);
extern int blk_rq_count_integrity_sg(struct request *);
static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi)
{
if (bi)
return bi->tuple_size;
return 0;
}
static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
{
return bdev->bd_disk->integrity;
}
static inline unsigned int bdev_get_tag_size(struct block_device *bdev)
{
struct blk_integrity *bi = bdev_get_integrity(bdev);
if (bi)
return bi->tag_size;
return 0;
}
static inline int bdev_integrity_enabled(struct block_device *bdev, int rw)
{
struct blk_integrity *bi = bdev_get_integrity(bdev);
if (bi == NULL)
return 0;
if (rw == READ && bi->verify_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_READ))
return 1;
if (rw == WRITE && bi->generate_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_WRITE))
return 1;
return 0;
}
static inline int blk_integrity_rq(struct request *rq)
{
if (rq->bio == NULL)
@ -1058,8 +1017,6 @@ static inline int blk_integrity_rq(struct request *rq)
#define blk_integrity_rq(rq) (0)
#define blk_rq_count_integrity_sg(a) (0)
#define blk_rq_map_integrity_sg(a, b) (0)
#define bdev_get_integrity(a) (0)
#define bdev_get_tag_size(a) (0)
#define blk_integrity_compare(a, b) (0)
#define blk_integrity_register(a, b) (0)
#define blk_integrity_unregister(a) do { } while (0);