Update bcachefs sources to 1b14994029 bcachefs: Fragmentation LRU

[bcachefs-tools-debian] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 44910d321ad7320abeb25ed4d731fd3e1ffb454f..a55b8a9b5d17f05ccbffce08f02628fba9c296ab 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -11,6 +11,7 @@
 #include <linux/bug.h>
 #include <linux/byteorder.h>
 #include <linux/compiler.h>
+#include <linux/math.h>
 
 #define __ARG_PLACEHOLDER_1 0,
 #define __take_second_arg(__ignored, val, ...) val
@@ -78,8 +79,6 @@
 #define __must_be_array(a)     BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
-#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
-
 #ifndef offsetof
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 #endif
@@ -97,16 +96,6 @@
        (type *)((char *)__mptr - offsetof(type, member)); })
 #endif
 
-#define __round_mask(x, y) ((__typeof__(x))((y)-1))
-#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
-#define round_down(x, y) ((x) & ~__round_mask(x, y))
-
-#define roundup(x, y)                                  \
-({                                                     \
-       const typeof(y) __y = y;                        \
-       (((x) + (__y - 1)) / __y) * __y;                \
-})
-
 #define max(x, y) ({                           \
        typeof(x) _max1 = (x);                  \
        typeof(y) _max2 = (y);                  \
@@ -143,8 +132,8 @@
 
 #define might_sleep()
 
-#define cpu_relax()            do {} while (0)
-#define cpu_relax_lowlatency() do {} while (0)
+#define cpu_relax()            barrier()
+#define cpu_relax_lowlatency() barrier()
 
 #define panic(fmt, ...)                                        \
 do {                                                   \
@@ -239,6 +228,19 @@ static inline int __must_check kstrtos32(const char *s, unsigned int base, s32 *
        return kstrtoint(s, base, res);
 }
 
+struct printbuf;
+extern void prt_u64(struct printbuf *out, u64 num);
+
+extern __printf(2, 0) void prt_vprintf(struct printbuf *out, const char *fmt, va_list args);
+extern __printf(2, 3) void prt_printf(struct printbuf *out, const char *fmt, ...);
+
+static const char hex_asc[] = "0123456789abcdef";
+#define hex_asc_lo(x)  hex_asc[((x) & 0x0f)]
+#define hex_asc_hi(x)  hex_asc[((x) & 0xf0) >> 4]
+static const char hex_asc_upper[] = "0123456789ABCDEF";
+#define hex_asc_upper_lo(x)    hex_asc_upper[((x) & 0x0f)]
+#define hex_asc_upper_hi(x)    hex_asc_upper[((x) & 0xf0) >> 4]
+
 /* The hash is always the low bits of hash_len */
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  #define HASH_LEN_DECLARE u32 hash; u32 len
@@ -262,4 +264,7 @@ struct qstr {
 
 static inline void dump_stack(void) {}
 
+#define unsafe_memcpy(dst, src, bytes, justification)          \
+       memcpy(dst, src, bytes)
+
 #endif