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block: Get rid of bdev_integrity_enabled()

Browse source 
bdev_integrity_enabled() is only used by bio_integrity_enabled().
Combine these two functions.

Signed-off-by: Martin K. Petersen <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Martin K. Petersen 2014-09-26 19:19:55 -04:00 • committed by Jens Axboe
commit e7258c1a26
3 changed files with 20 additions and 35 deletions
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39
block/bio-integrity.c
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@ -147,24 +147,6 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
}
EXPORT_SYMBOL(bio_integrity_add_page);
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
@ -174,16 +156,29 @@ static int bdev_integrity_enabled(struct block_device *bdev, int rw)
* set prior to calling. The functions honors the write_generate and
* read_verify flags in sysfs.
*/
int bio_integrity_enabled(struct bio *bio)
bool bio_integrity_enabled(struct bio *bio)
{
struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
if (!bio_is_rw(bio))
return 0;
return false;
/* Already protected? */
if (bio_integrity(bio))
return 0;
return false;
return bdev_integrity_enabled(bio->bi_bdev, bio_data_dir(bio));
if (bi == NULL)
return false;
if (bio_data_dir(bio) == READ && bi->verify_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_READ))
return true;
if (bio_data_dir(bio) == WRITE && bi->generate_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_WRITE))
return true;
return false;
}
EXPORT_SYMBOL(bio_integrity_enabled);