From b3c41bce3db2124af9296722bd5cda720c943462 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 3 May 2018 09:33:55 +0100
Subject: [PATCH] bcache: add bcache_block_sectors() query fn

---
 lib/device/bcache.c | 5 +++++
 lib/device/bcache.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/lib/device/bcache.c b/lib/device/bcache.c
index 742b7eeaa..2b50ae501 100644
--- a/lib/device/bcache.c
+++ b/lib/device/bcache.c
@@ -863,6 +863,11 @@ void bcache_destroy(struct bcache *cache)
 	dm_free(cache);
 }
 
+sector_t bcache_block_sectors(struct bcache *cache)
+{
+	return cache->block_sectors;
+}
+
 unsigned bcache_nr_cache_blocks(struct bcache *cache)
 {
 	return cache->nr_cache_blocks;
diff --git a/lib/device/bcache.h b/lib/device/bcache.h
index 6a18d33ab..db41eebce 100644
--- a/lib/device/bcache.h
+++ b/lib/device/bcache.h
@@ -97,6 +97,7 @@ enum bcache_get_flags {
 	GF_DIRTY = (1 << 1)
 };
 
+sector_t bcache_block_sectors(struct bcache *cache);
 unsigned bcache_nr_cache_blocks(struct bcache *cache);
 unsigned bcache_max_prefetches(struct bcache *cache);