]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - include/linux/seqlock.h
move Rust sources to top level, C sources into c_src
[bcachefs-tools-debian] / include / linux / seqlock.h
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
deleted file mode 100644 (file)
index 435420f..0000000
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifndef __LINUX_SEQLOCK_H
-#define __LINUX_SEQLOCK_H
-
-#include <linux/compiler.h>
-
-typedef struct seqcount {
-       unsigned sequence;
-} seqcount_t;
-
-static inline void seqcount_init(seqcount_t *s)
-{
-       s->sequence = 0;
-}
-
-static inline unsigned read_seqcount_begin(const seqcount_t *s)
-{
-       unsigned ret;
-
-repeat:
-       ret = READ_ONCE(s->sequence);
-       if (unlikely(ret & 1)) {
-               cpu_relax();
-               goto repeat;
-       }
-       smp_rmb();
-       return ret;
-}
-
-static inline int read_seqcount_retry(const seqcount_t *s, unsigned start)
-{
-       smp_rmb();
-       return unlikely(s->sequence != start);
-}
-
-static inline void write_seqcount_begin(seqcount_t *s)
-{
-       s->sequence++;
-       smp_wmb();
-}
-
-static inline void write_seqcount_end(seqcount_t *s)
-{
-       smp_wmb();
-       s->sequence++;
-}
-
-#endif /* __LINUX_SEQLOCK_H */