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Diffstat (limited to 'drivers/md/dm-cache-policy.h')
-rw-r--r--drivers/md/dm-cache-policy.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-policy.h b/drivers/md/dm-cache-policy.h
index 558bdfdabf5..33369ca9614 100644
--- a/drivers/md/dm-cache-policy.h
+++ b/drivers/md/dm-cache-policy.h
@@ -130,8 +130,8 @@ struct dm_cache_policy {
*
* Must not block.
*
- * Returns 1 iff in cache, 0 iff not, < 0 on error (-EWOULDBLOCK
- * would be typical).
+ * Returns 0 if in cache, -ENOENT if not, < 0 for other errors
+ * (-EWOULDBLOCK would be typical).
*/
int (*lookup)(struct dm_cache_policy *p, dm_oblock_t oblock, dm_cblock_t *cblock);