fs/dlm/lockspace.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /******************************************************************************
   3 *******************************************************************************
   4 **
   5 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
   6 **  Copyright (C) 2004-2005 Red Hat, Inc.  All rights reserved.
   7 **
   8 **
   9 *******************************************************************************
  10 ******************************************************************************/
  11
  12 #ifndef __LOCKSPACE_DOT_H__
  13 #define __LOCKSPACE_DOT_H__
  14
  15 /* DLM_LSFL_FS
  16  *   The lockspace user is in the kernel (i.e. filesystem).  Enables
  17  *   direct bast/cast callbacks.
  18  *
  19  * internal lockspace flag - will be removed in future
  20  */
  21 #define DLM_LSFL_FS     0x00000004
  22
  23 int dlm_lockspace_init(void);
  24 void dlm_lockspace_exit(void);
  25 struct dlm_ls *dlm_find_lockspace_global(uint32_t id);
  26 struct dlm_ls *dlm_find_lockspace_local(void *id);
  27 struct dlm_ls *dlm_find_lockspace_device(int minor);
  28 void dlm_put_lockspace(struct dlm_ls *ls);
  29 void dlm_stop_lockspaces(void);
  30 int dlm_new_user_lockspace(const char *name, const char *cluster,
  31                            uint32_t flags, int lvblen,
  32                            const struct dlm_lockspace_ops *ops,
  33                            void *ops_arg, int *ops_result,
  34                            dlm_lockspace_t **lockspace);
  35
  36 #endif                          /* __LOCKSPACE_DOT_H__ */
  37