diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2008-09-18 09:31:53 -0700 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:17 +0200 |
| commit | 9c02f2b02e29a2244e36c6e1f246080d8afc6cff (patch) | |
| tree | d917ffa2e6ea5a75d180b72cc16e786da6a4b437 /fs/bio-integrity.c | |
| parent | 7ba1fbaa4a478f72fbaf5a56af9c82a77966b4c7 (diff) | |
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>
Diffstat (limited to 'fs/bio-integrity.c')
| -rw-r--r-- | fs/bio-integrity.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index c3e174b35fe..ba4ada08564 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -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 |