ceph/src/spdk/ocf/src/ocf_io_priv.h

   1 /*
   2  * Copyright(c) 2012-2018 Intel Corporation
   3  * SPDX-License-Identifier: BSD-3-Clause-Clear
   4  */
   5
   6 #ifndef __OCF_IO_PRIV_H__
   7 #define __OCF_IO_PRIV_H__
   8
   9 #include "ocf/ocf.h"
  10 #include "ocf_request.h"
  11
  12 struct ocf_io_meta {
  13         env_atomic ref_count;
  14         struct ocf_request *req;
  15 };
  16
  17 env_allocator *ocf_io_allocator_create(uint32_t size, const char *name);
  18
  19 void ocf_io_allocator_destroy(env_allocator *allocator);
  20
  21 struct ocf_io *ocf_io_new(ocf_volume_t volume);
  22
  23 static inline void ocf_io_start(struct ocf_io *io)
  24 {
  25         /*
  26          * We want to call start() callback only once, so after calling
  27          * we set it to NULL to prevent multiple calls.
  28          */
  29         if (io->start) {
  30                 io->start(io);
  31                 io->start = NULL;
  32         }
  33 }
  34
  35 static inline void ocf_io_end(struct ocf_io *io, int error)
  36 {
  37         if (io->end)
  38                 io->end(io, error);
  39
  40 }
  41
  42 #endif /* __OCF_IO_PRIV_H__ */