Update bcachefs sources to 070ec8d07b bcachefs: Snapshot depth, skiplist fields

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

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b2c1751c56e2fcdffb87d7ef34c49571a0f11e36..01466c408cdb8282fc137a602f34426ac6c6e3ed 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -96,6 +96,14 @@
        (type *)((char *)__mptr - offsetof(type, member)); })
 #endif
 
+#define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \
+       union { \
+               struct { MEMBERS } ATTRS; \
+               struct TAG { MEMBERS } ATTRS NAME; \
+       }
+#define struct_group(NAME, MEMBERS...) \
+       __struct_group(/* no tag */, NAME, /* no attrs */, MEMBERS)
+
 #define max(x, y) ({                           \
        typeof(x) _max1 = (x);                  \
        typeof(y) _max2 = (y);                  \
@@ -132,8 +140,8 @@
 
 #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 {                                                   \
@@ -264,4 +272,7 @@ struct qstr {
 
 static inline void dump_stack(void) {}
 
+#define unsafe_memcpy(dst, src, bytes, justification)          \
+       memcpy(dst, src, bytes)
+
 #endif