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authorMartin K. Petersen <martin.petersen@oracle.com>2014-09-26 19:19:55 -0400
committerJens Axboe <axboe@fb.com>2014-09-27 09:14:44 -0600
commite7258c1a269e0967856c81d182c286a78f5ecf15 (patch)
treebd2d5be701105d29e79fc843f091aa574ff4ebc8 /block/bio-integrity.c
parentf70ced09170761acb69840cafaace4abc72cba4b (diff)
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block: Get rid of bdev_integrity_enabled()
bdev_integrity_enabled() is only used by bio_integrity_enabled(). Combine these two functions. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/bio-integrity.c')
-rw-r--r--block/bio-integrity.c39
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);