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block: integrity cleanups 

- No need to check for NULL bio, we'll get an immediate oops anyway.
- Make bio_integrity() a proper function.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2008-06-18 10:15:02 +02:00
parent da9cbc8739
commit 6e2401ad6f
2 changed files with 8 additions and 5 deletions
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9
include/linux/bio.h
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@ -458,7 +458,14 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
#define bip_for_each_vec(bvl, bip, i) \
__bip_for_each_vec(bvl, bip, i, (bip)->bip_idx)
#define bio_integrity(bio) ((bio)->bi_integrity ? 1 : 0)
static inline int bio_integrity(struct bio *bio)
{
#if defined(CONFIG_BLK_DEV_INTEGRITY)
return bio->bi_integrity != NULL;
#else
return 0;
#endif
}
extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *);
extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int);

4
include/linux/blkdev.h
View File

@ -860,7 +860,6 @@ void kblockd_flush_work(struct work_struct *work);
#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
MODULE_ALIAS("block-major-" __stringify(major) "-*")
#if defined(CONFIG_BLK_DEV_INTEGRITY)
#define INTEGRITY_FLAG_READ 1 /* verify data integrity on read */
@ -945,8 +944,6 @@ static inline int bdev_integrity_enabled(struct block_device *bdev, int rw)
static inline int blk_integrity_rq(struct request *rq)
{
BUG_ON(rq->bio == NULL);
return bio_integrity(rq->bio);
}
@ -963,7 +960,6 @@ static inline int blk_integrity_rq(struct request *rq)
#endif /* CONFIG_BLK_DEV_INTEGRITY */
#else /* CONFIG_BLOCK */
/*
* stubs for when the block layer is configured out