Btrfs: fix wrong comment in can_overcommit()

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / file-item.c

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 857d93cd01dc579eb46838624349442fef07cf00..1ad08e4e4a15fa25ea7f65397cbc1e154fa1f4b9 100644 (file)
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -25,11 +25,12 @@
 #include "transaction.h"
 #include "print-tree.h"
 
-#define __MAX_CSUM_ITEMS(r, size) ((((BTRFS_LEAF_DATA_SIZE(r) - \
+#define __MAX_CSUM_ITEMS(r, size) ((unsigned long)(((BTRFS_LEAF_DATA_SIZE(r) - \
                                   sizeof(struct btrfs_item) * 2) / \
                                  size) - 1))
 
-#define MAX_CSUM_ITEMS(r, size) (min(__MAX_CSUM_ITEMS(r, size), PAGE_CACHE_SIZE))
+#define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \
+                                      PAGE_CACHE_SIZE))
 
 #define MAX_ORDERED_SUM_BYTES(r) ((PAGE_SIZE - \
                                   sizeof(struct btrfs_ordered_sum)) / \