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yaml
---
r: 110539
b: refs/heads/master
c: 9c02f2b
h: refs/heads/master
i:
  110537: 212dbea
  110535: 3923a2a
v: v3
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Jens Axboe committed Oct 9, 2008
1 parent afcfaf6 commit 46fa03f
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Showing 3 changed files with 32 additions and 44 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7ba1fbaa4a478f72fbaf5a56af9c82a77966b4c7
refs/heads/master: 9c02f2b02e29a2244e36c6e1f246080d8afc6cff
31 changes: 31 additions & 0 deletions trunk/fs/bio-integrity.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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
Expand Down
43 changes: 0 additions & 43 deletions trunk/include/linux/blkdev.h
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand All @@ -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);
Expand Down

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