common: blk: fix comment about blkcache_read return value
The blkcache_read() routine returns 1 (true) to indicate that a block was
found in the cache and returned, or 0 if not.
Signed-off-by: Eric Nelson <eric@nelint.com>
diff --git a/include/blk.h b/include/blk.h
index 65db69f..6f541bb 100644
--- a/include/blk.h
+++ b/include/blk.h
@@ -129,7 +129,7 @@
* @param blksz - size in bytes of each block
* @param buf - buffer to contain cached data
*
- * @return - '1' if block returned from cache, '0' otherwise.
+ * @return - 1 if block returned from cache, 0 otherwise.
*/
int blkcache_read(int iftype, int dev,
lbaint_t start, lbaint_t blkcnt,