btrfs-progs: check: introduce function to check tree block backref in extent tree

[platform/upstream/btrfs-progs.git] / kerncompat.h

diff --git a/kerncompat.h b/kerncompat.h
index 574f468..8b9a84c 100644 (file)
--- a/kerncompat.h
+++ b/kerncompat.h
@@ -55,7 +55,8 @@
 #define gfp_t int
 #define get_cpu_var(p) (p)
 #define __get_cpu_var(p) (p)
-#define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
+#define BITS_PER_BYTE 8
+#define BITS_PER_LONG (__SIZEOF_LONG__ * BITS_PER_BYTE)
 #define __GFP_BITS_SHIFT 20
 #define __GFP_BITS_MASK ((int)((1 << __GFP_BITS_SHIFT) - 1))
 #define GFP_KERNEL 0
@@ -72,7 +73,7 @@
 static inline void print_trace(void)
 {
        void *array[MAX_BACKTRACE];
-       size_t size;
+       int size;
 
        size = backtrace(array, MAX_BACKTRACE);
        backtrace_symbols_fd(array, size, 2);
@@ -336,15 +337,19 @@ struct __una_u64 { __le64 x; } __attribute__((__packed__));
 #define get_unaligned_le8(p) (*((u8 *)(p)))
 #define get_unaligned_8(p) (*((u8 *)(p)))
 #define put_unaligned_le8(val,p) ((*((u8 *)(p))) = (val))
+#define put_unaligned_8(val,p) ((*((u8 *)(p))) = (val))
 #define get_unaligned_le16(p) le16_to_cpu(((const struct __una_u16 *)(p))->x)
 #define get_unaligned_16(p) (((const struct __una_u16 *)(p))->x)
 #define put_unaligned_le16(val,p) (((struct __una_u16 *)(p))->x = cpu_to_le16(val))
+#define put_unaligned_16(val,p) (((struct __una_u16 *)(p))->x = (val))
 #define get_unaligned_le32(p) le32_to_cpu(((const struct __una_u32 *)(p))->x)
 #define get_unaligned_32(p) (((const struct __una_u32 *)(p))->x)
 #define put_unaligned_le32(val,p) (((struct __una_u32 *)(p))->x = cpu_to_le32(val))
+#define put_unaligned_32(val,p) (((struct __una_u32 *)(p))->x = (val))
 #define get_unaligned_le64(p) le64_to_cpu(((const struct __una_u64 *)(p))->x)
 #define get_unaligned_64(p) (((const struct __una_u64 *)(p))->x)
 #define put_unaligned_le64(val,p) (((struct __una_u64 *)(p))->x = cpu_to_le64(val))
+#define put_unaligned_64(val,p) (((struct __una_u64 *)(p))->x = (val))
 
 #ifndef true
 #define true 1