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>

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);