fs/ocfs2/localalloc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * localalloc.h
   4  *
   5  * Function prototypes
   6  *
   7  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
   8  */
   9
  10 #ifndef OCFS2_LOCALALLOC_H
  11 #define OCFS2_LOCALALLOC_H
  12
  13 int ocfs2_load_local_alloc(struct ocfs2_super *osb);
  14
  15 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
  16
  17 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
  18 unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
  19
  20 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
  21                                      int node_num,
  22                                      struct ocfs2_dinode **alloc_copy);
  23
  24 int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
  25                                         struct ocfs2_dinode *alloc);
  26
  27 int ocfs2_alloc_should_use_local(struct ocfs2_super *osb,
  28                                  u64 bits);
  29
  30 struct ocfs2_alloc_context;
  31 int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
  32                                    u32 bits_wanted,
  33                                    struct ocfs2_alloc_context *ac);
  34
  35 int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
  36                                  handle_t *handle,
  37                                  struct ocfs2_alloc_context *ac,
  38                                  u32 bits_wanted,
  39                                  u32 *bit_off,
  40                                  u32 *num_bits);
  41
  42 int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb,
  43                                 handle_t *handle,
  44                                 struct ocfs2_alloc_context *ac,
  45                                 u32 bit_off,
  46                                 u32 num_bits);
  47
  48 void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb,
  49                                       unsigned int num_clusters);
  50 void ocfs2_la_enable_worker(struct work_struct *work);
  51
  52 #endif /* OCFS2_LOCALALLOC_H */