1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 6b58d0620e2f..cdbbf85a269b 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -27,9 +27,8 @@
 #include "print-tree.h"
 #include "compression.h"
-#define __MAX_CSUM_ITEMS(r, size) ((unsigned long)(((BTRFS_LEAF_DATA_SIZE(r) - \
+#define __MAX_CSUM_ITEMS(r, size) \
-                                   sizeof(struct btrfs_item) * 2) / \
+        ((unsigned long)(((BTRFS_MAX_ITEM_SIZE(r) * 2) / size) - 1))
-                                  size) - 1))
 #define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \
                                       PAGE_SIZE))

diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 6b58d0620e2f..cdbbf85a269b 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c
@@ -27,9 +27,8 @@
27	#include "print-tree.h"	27	#include "print-tree.h"
28	#include "compression.h"	28	#include "compression.h"
29		29
30	#define __MAX_CSUM_ITEMS(r, size) ((unsigned long)(((BTRFS_LEAF_DATA_SIZE(r) - \	30	#define __MAX_CSUM_ITEMS(r, size) \
31	sizeof(struct btrfs_item) * 2) / \	31	((unsigned long)(((BTRFS_MAX_ITEM_SIZE(r) * 2) / size) - 1))
32	size) - 1))
33		32
34	#define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \	33	#define MAX_CSUM_ITEMS(r, size) (min_t(u32, __MAX_CSUM_ITEMS(r, size), \
35	PAGE_SIZE))	34	PAGE_SIZE))