fs/xfs/quota/xfs_qm_stats.h

   1 /*
   2  * Copyright (c) 2002 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32 #ifndef __XFS_QM_STATS_H__
  33 #define __XFS_QM_STATS_H__
  34
  35
  36 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
  37
  38 /*
  39  * XQM global statistics
  40  */
  41 struct xqmstats {
  42         __uint32_t              xs_qm_dqreclaims;
  43         __uint32_t              xs_qm_dqreclaim_misses;
  44         __uint32_t              xs_qm_dquot_dups;
  45         __uint32_t              xs_qm_dqcachemisses;
  46         __uint32_t              xs_qm_dqcachehits;
  47         __uint32_t              xs_qm_dqwants;
  48         __uint32_t              xs_qm_dqshake_reclaims;
  49         __uint32_t              xs_qm_dqinact_reclaims;
  50 };
  51
  52 extern struct xqmstats xqmstats;
  53
  54 # define XQM_STATS_INC(count)   ( (count)++ )
  55
  56 extern void xfs_qm_init_procfs(void);
  57 extern void xfs_qm_cleanup_procfs(void);
  58
  59 #else
  60
  61 # define XQM_STATS_INC(count)   do { } while (0)
  62
  63 static __inline void xfs_qm_init_procfs(void) { };
  64 static __inline void xfs_qm_cleanup_procfs(void) { };
  65
  66 #endif
  67
  68 #endif  /* __XFS_QM_STATS_H__ */