fs/xfs/quota/xfs_qm_stats.h

   1 /*
   2  * Copyright (c) 2002 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __XFS_QM_STATS_H__
  19 #define __XFS_QM_STATS_H__
  20
  21 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
  22
  23 /*
  24  * XQM global statistics
  25  */
  26 struct xqmstats {
  27         __uint32_t              xs_qm_dqreclaims;
  28         __uint32_t              xs_qm_dqreclaim_misses;
  29         __uint32_t              xs_qm_dquot_dups;
  30         __uint32_t              xs_qm_dqcachemisses;
  31         __uint32_t              xs_qm_dqcachehits;
  32         __uint32_t              xs_qm_dqwants;
  33         __uint32_t              xs_qm_dqshake_reclaims;
  34         __uint32_t              xs_qm_dqinact_reclaims;
  35 };
  36
  37 extern struct xqmstats xqmstats;
  38
  39 # define XQM_STATS_INC(count)   ( (count)++ )
  40
  41 extern void xfs_qm_init_procfs(void);
  42 extern void xfs_qm_cleanup_procfs(void);
  43
  44 #else
  45
  46 # define XQM_STATS_INC(count)   do { } while (0)
  47
  48 static inline void xfs_qm_init_procfs(void) { };
  49 static inline void xfs_qm_cleanup_procfs(void) { };
  50
  51 #endif
  52
  53 #endif  /* __XFS_QM_STATS_H__ */