static struct kmem_cache *integrity_cachep;
+static const char *bi_unsupported_name = "unsupported";
+
/**
* blk_rq_count_integrity_sg - Count number of integrity scatterlist elements
* @q: request queue
.release = blk_integrity_release,
};
+bool blk_integrity_is_initialized(struct gendisk *disk)
+{
+ struct blk_integrity *bi = blk_get_integrity(disk);
+
+ return (bi && bi->name && strcmp(bi->name, bi_unsupported_name) != 0);
+}
+EXPORT_SYMBOL(blk_integrity_is_initialized);
+
/**
* blk_integrity_register - Register a gendisk as being integrity-capable
* @disk: struct gendisk pointer to make integrity-aware
bi->get_tag_fn = template->get_tag_fn;
bi->tag_size = template->tag_size;
} else
- bi->name = "unsupported";
+ bi->name = bi_unsupported_name;
return 0;
}