diff options
Diffstat (limited to 'block/bio-integrity.c')
| -rw-r--r-- | block/bio-integrity.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c index f14b4abbebd8..36b788552c3e 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -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; + + 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 bdev_integrity_enabled(bio->bi_bdev, bio_data_dir(bio)); + return false; } EXPORT_SYMBOL(bio_integrity_enabled); |