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-rw-r--r--fs/ext4/ext4.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8d126654019e..983dad8c07ec 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -213,11 +213,14 @@ enum criteria {
#define EXT4_MB_USE_RESERVED 0x2000
/* Do strict check for free blocks while retrying block allocation */
#define EXT4_MB_STRICT_CHECK 0x4000
-/* Large fragment size list lookup succeeded at least once for cr = 0 */
+/* Large fragment size list lookup succeeded at least once for
+ * CR_POWER2_ALIGNED */
#define EXT4_MB_CR_POWER2_ALIGNED_OPTIMIZED 0x8000
-/* Avg fragment size rb tree lookup succeeded at least once for cr = 1 */
+/* Avg fragment size rb tree lookup succeeded at least once for
+ * CR_GOAL_LEN_FAST */
#define EXT4_MB_CR_GOAL_LEN_FAST_OPTIMIZED 0x00010000
-/* Avg fragment size rb tree lookup succeeded at least once for cr = 1.5 */
+/* Avg fragment size rb tree lookup succeeded at least once for
+ * CR_BEST_AVAIL_LEN */
#define EXT4_MB_CR_BEST_AVAIL_LEN_OPTIMIZED 0x00020000
struct ext4_allocation_request {