Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
| 18 | #ifndef __XFS_QM_H__ |
| 19 | #define __XFS_QM_H__ |
| 20 | |
| 21 | #include "xfs_dquot_item.h" |
| 22 | #include "xfs_dquot.h" |
| 23 | #include "xfs_quota_priv.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | struct xfs_qm; |
| 26 | struct xfs_inode; |
| 27 | |
Christoph Hellwig | a0b0b8a | 2009-03-29 09:51:00 +0200 | [diff] [blame] | 28 | extern struct mutex xfs_Gqm_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | extern struct xfs_qm *xfs_Gqm; |
| 30 | extern kmem_zone_t *qm_dqzone; |
| 31 | extern kmem_zone_t *qm_dqtrxzone; |
| 32 | |
| 33 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | * This defines the unit of allocation of dquots. |
| 35 | * Currently, it is just one file system block, and a 4K blk contains 30 |
| 36 | * (136 * 30 = 4080) dquots. It's probably not worth trying to make |
| 37 | * this more dynamic. |
| 38 | * XXXsup However, if this number is changed, we have to make sure that we don't |
| 39 | * implicitly assume that we do allocations in chunks of a single filesystem |
| 40 | * block in the dquot/xqm code. |
| 41 | */ |
| 42 | #define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | /* |
| 45 | * Quota Manager (global) structure. Lives only in core. |
| 46 | */ |
| 47 | typedef struct xfs_qm { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | uint qm_nrefs; /* file systems with quota on */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | kmem_zone_t *qm_dqzone; /* dquot mem-alloc zone */ |
| 50 | kmem_zone_t *qm_dqtrxzone; /* t_dqinfo of transactions */ |
| 51 | } xfs_qm_t; |
| 52 | |
| 53 | /* |
| 54 | * Various quota information for individual filesystems. |
| 55 | * The mount structure keeps a pointer to this. |
| 56 | */ |
| 57 | typedef struct xfs_quotainfo { |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame^] | 58 | struct radix_tree_root qi_uquota_tree; |
| 59 | struct radix_tree_root qi_gquota_tree; |
| 60 | struct mutex qi_tree_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | xfs_inode_t *qi_uquotaip; /* user quota inode */ |
| 62 | xfs_inode_t *qi_gquotaip; /* group quota inode */ |
Christoph Hellwig | f8739c3 | 2012-03-13 08:52:34 +0000 | [diff] [blame] | 63 | struct list_head qi_lru_list; |
| 64 | struct mutex qi_lru_lock; |
| 65 | int qi_lru_count; |
Dave Chinner | 3a25404 | 2010-04-13 15:06:48 +1000 | [diff] [blame] | 66 | struct list_head qi_dqlist; /* all dquots in filesys */ |
| 67 | struct mutex qi_dqlist_lock; |
| 68 | int qi_dquots; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | int qi_dqreclaims; /* a change here indicates |
| 70 | a removal in the dqlist */ |
| 71 | time_t qi_btimelimit; /* limit for blks timer */ |
| 72 | time_t qi_itimelimit; /* limit for inodes timer */ |
| 73 | time_t qi_rtbtimelimit;/* limit for rt blks timer */ |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 74 | xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */ |
| 75 | xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */ |
| 76 | xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */ |
Christoph Hellwig | a0b0b8a | 2009-03-29 09:51:00 +0200 | [diff] [blame] | 77 | struct mutex qi_quotaofflock;/* to serialize quotaoff */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */ |
| 79 | uint qi_dqperchunk; /* # ondisk dqs in above chunk */ |
| 80 | xfs_qcnt_t qi_bhardlimit; /* default data blk hard limit */ |
| 81 | xfs_qcnt_t qi_bsoftlimit; /* default data blk soft limit */ |
| 82 | xfs_qcnt_t qi_ihardlimit; /* default inode count hard limit */ |
| 83 | xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */ |
| 84 | xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */ |
| 85 | xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */ |
Christoph Hellwig | f8739c3 | 2012-03-13 08:52:34 +0000 | [diff] [blame] | 86 | struct shrinker qi_shrinker; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | } xfs_quotainfo_t; |
| 88 | |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame^] | 89 | #define XFS_DQUOT_TREE(qi, type) \ |
| 90 | ((type & XFS_DQ_USER) ? \ |
| 91 | &((qi)->qi_uquota_tree) : \ |
| 92 | &((qi)->qi_gquota_tree)) |
| 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | extern void xfs_trans_mod_dquot(xfs_trans_t *, xfs_dquot_t *, uint, long); |
| 96 | extern int xfs_trans_reserve_quota_bydquots(xfs_trans_t *, xfs_mount_t *, |
| 97 | xfs_dquot_t *, xfs_dquot_t *, long, long, uint); |
| 98 | extern void xfs_trans_dqjoin(xfs_trans_t *, xfs_dquot_t *); |
| 99 | extern void xfs_trans_log_dquot(xfs_trans_t *, xfs_dquot_t *); |
| 100 | |
| 101 | /* |
| 102 | * We keep the usr and grp dquots separately so that locking will be easier |
| 103 | * to do at commit time. All transactions that we know of at this point |
| 104 | * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value. |
| 105 | */ |
| 106 | #define XFS_QM_TRANS_MAXDQS 2 |
| 107 | typedef struct xfs_dquot_acct { |
| 108 | xfs_dqtrx_t dqa_usrdquots[XFS_QM_TRANS_MAXDQS]; |
| 109 | xfs_dqtrx_t dqa_grpdquots[XFS_QM_TRANS_MAXDQS]; |
| 110 | } xfs_dquot_acct_t; |
| 111 | |
| 112 | /* |
| 113 | * Users are allowed to have a usage exceeding their softlimit for |
| 114 | * a period this long. |
| 115 | */ |
| 116 | #define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 117 | #define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 118 | #define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 119 | |
| 120 | #define XFS_QM_BWARNLIMIT 5 |
| 121 | #define XFS_QM_IWARNLIMIT 5 |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 122 | #define XFS_QM_RTBWARNLIMIT 5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | extern void xfs_qm_destroy_quotainfo(xfs_mount_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | extern int xfs_qm_quotacheck(xfs_mount_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | extern int xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
| 128 | /* dquot stuff */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | extern int xfs_qm_dqpurge_all(xfs_mount_t *, uint); |
| 130 | extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint); |
| 131 | |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 132 | /* quota ops */ |
| 133 | extern int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); |
| 134 | extern int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, |
| 135 | fs_disk_quota_t *); |
| 136 | extern int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, |
| 137 | fs_disk_quota_t *); |
| 138 | extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); |
| 139 | extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint); |
| 140 | extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint); |
| 141 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | #endif /* __XFS_QM_H__ */ |