diff options
Diffstat (limited to 'fs/xfs/quota/xfs_qm.h')
| -rw-r--r-- | fs/xfs/quota/xfs_qm.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h deleted file mode 100644 index 567b29b..0000000 --- a/fs/xfs/quota/xfs_qm.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_QM_H__ -#define __XFS_QM_H__ - -#include "xfs_dquot_item.h" -#include "xfs_dquot.h" -#include "xfs_quota_priv.h" -#include "xfs_qm_stats.h" - -struct xfs_qm; -struct xfs_inode; - -extern uint ndquot; -extern struct mutex xfs_Gqm_lock; -extern struct xfs_qm *xfs_Gqm; -extern kmem_zone_t *qm_dqzone; -extern kmem_zone_t *qm_dqtrxzone; - -/* - * Used in xfs_qm_sync called by xfs_sync to count the max times that it can - * iterate over the mountpt's dquot list in one call. - */ -#define XFS_QM_SYNC_MAX_RESTARTS 7 - -/* - * Ditto, for xfs_qm_dqreclaim_one. - */ -#define XFS_QM_RECLAIM_MAX_RESTARTS 4 - -/* - * Ideal ratio of free to in use dquots. Quota manager makes an attempt - * to keep this balance. - */ -#define XFS_QM_DQFREE_RATIO 2 - -/* - * Dquot hashtable constants/threshold values. - */ -#define XFS_QM_HASHSIZE_LOW (PAGE_SIZE / sizeof(xfs_dqhash_t)) -#define XFS_QM_HASHSIZE_HIGH ((PAGE_SIZE * 4) / sizeof(xfs_dqhash_t)) - -/* - * This defines the unit of allocation of dquots. - * Currently, it is just one file system block, and a 4K blk contains 30 - * (136 * 30 = 4080) dquots. It's probably not worth trying to make - * this more dynamic. - * XXXsup However, if this number is changed, we have to make sure that we don't - * implicitly assume that we do allocations in chunks of a single filesystem - * block in the dquot/xqm code. - */ -#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1 - -typedef xfs_dqhash_t xfs_dqlist_t; - -/* - * Quota Manager (global) structure. Lives only in core. - */ -typedef struct xfs_qm { - xfs_dqlist_t *qm_usr_dqhtable;/* udquot hash table */ - xfs_dqlist_t *qm_grp_dqhtable;/* gdquot hash table */ - uint qm_dqhashmask; /* # buckets in dq hashtab - 1 */ - struct list_head qm_dqfrlist; /* freelist of dquots */ - struct mutex qm_dqfrlist_lock; - int qm_dqfrlist_cnt; - atomic_t qm_totaldquots; /* total incore dquots */ - uint qm_nrefs; /* file systems with quota on */ - int qm_dqfree_ratio;/* ratio of free to inuse dquots */ - kmem_zone_t *qm_dqzone; /* dquot mem-alloc zone */ - kmem_zone_t *qm_dqtrxzone; /* t_dqinfo of transactions */ -} xfs_qm_t; - -/* - * Various quota information for individual filesystems. - * The mount structure keeps a pointer to this. - */ -typedef struct xfs_quotainfo { - xfs_inode_t *qi_uquotaip; /* user quota inode */ - xfs_inode_t *qi_gquotaip; /* group quota inode */ - struct list_head qi_dqlist; /* all dquots in filesys */ - struct mutex qi_dqlist_lock; - int qi_dquots; - int qi_dqreclaims; /* a change here indicates - a removal in the dqlist */ - time_t qi_btimelimit; /* limit for blks timer */ - time_t qi_itimelimit; /* limit for inodes timer */ - time_t qi_rtbtimelimit;/* limit for rt blks timer */ - xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */ - xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */ - xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */ - struct mutex qi_quotaofflock;/* to serialize quotaoff */ - xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */ - uint qi_dqperchunk; /* # ondisk dqs in above chunk */ - xfs_qcnt_t qi_bhardlimit; /* default data blk hard limit */ - xfs_qcnt_t qi_bsoftlimit; /* default data blk soft limit */ - xfs_qcnt_t qi_ihardlimit; /* default inode count hard limit */ - xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */ - xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */ - xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */ -} xfs_quotainfo_t; - - -extern void xfs_trans_mod_dquot(xfs_trans_t *, xfs_dquot_t *, uint, long); -extern int xfs_trans_reserve_quota_bydquots(xfs_trans_t *, xfs_mount_t *, - xfs_dquot_t *, xfs_dquot_t *, long, long, uint); -extern void xfs_trans_dqjoin(xfs_trans_t *, xfs_dquot_t *); -extern void xfs_trans_log_dquot(xfs_trans_t *, xfs_dquot_t *); - -/* - * We keep the usr and grp dquots separately so that locking will be easier - * to do at commit time. All transactions that we know of at this point - * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value. - */ -#define XFS_QM_TRANS_MAXDQS 2 -typedef struct xfs_dquot_acct { - xfs_dqtrx_t dqa_usrdquots[XFS_QM_TRANS_MAXDQS]; - xfs_dqtrx_t dqa_grpdquots[XFS_QM_TRANS_MAXDQS]; -} xfs_dquot_acct_t; - -/* - * Users are allowed to have a usage exceeding their softlimit for - * a period this long. - */ -#define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */ -#define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */ -#define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */ - -#define XFS_QM_BWARNLIMIT 5 -#define XFS_QM_IWARNLIMIT 5 -#define XFS_QM_RTBWARNLIMIT 5 - -extern void xfs_qm_destroy_quotainfo(xfs_mount_t *); -extern int xfs_qm_quotacheck(xfs_mount_t *); -extern int xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t); - -/* dquot stuff */ -extern boolean_t xfs_qm_dqalloc_incore(xfs_dquot_t **); -extern int xfs_qm_dqpurge_all(xfs_mount_t *, uint); -extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint); - -/* quota ops */ -extern int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); -extern int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, - fs_disk_quota_t *); -extern int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, - fs_disk_quota_t *); -extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); -extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint); -extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint); - -#ifdef DEBUG -extern int xfs_qm_internalqcheck(xfs_mount_t *); -#else -#define xfs_qm_internalqcheck(mp) (0) -#endif - -#endif /* __XFS_QM_H__ */ |