ceph/src/pmdk/src/common/util_pmem.h

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2 /* Copyright 2017-2020, Intel Corporation */
   3
   4 /*
   5  * util_pmem.h -- internal definitions for pmem utils
   6  */
   7
   8 #ifndef PMDK_UTIL_PMEM_H
   9 #define PMDK_UTIL_PMEM_H 1
  10
  11 #include "libpmem.h"
  12 #include "out.h"
  13
  14 #ifdef __cplusplus
  15 extern "C" {
  16 #endif
  17
  18 /*
  19  * util_persist -- flush to persistence
  20  */
  21 static inline void
  22 util_persist(int is_pmem, const void *addr, size_t len)
  23 {
  24         LOG(3, "is_pmem %d, addr %p, len %zu", is_pmem, addr, len);
  25
  26         if (is_pmem)
  27                 pmem_persist(addr, len);
  28         else if (pmem_msync(addr, len))
  29                 FATAL("!pmem_msync");
  30 }
  31
  32 /*
  33  * util_persist_auto -- flush to persistence
  34  */
  35 static inline void
  36 util_persist_auto(int is_pmem, const void *addr, size_t len)
  37 {
  38         LOG(3, "is_pmem %d, addr %p, len %zu", is_pmem, addr, len);
  39
  40         util_persist(is_pmem || pmem_is_pmem(addr, len), addr, len);
  41 }
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif /* util_pmem.h */