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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | struct xfs_inode; |
| 26 | |
Christoph Hellwig | a05931c | 2012-03-13 08:52:37 +0000 | [diff] [blame] | 27 | extern struct kmem_zone *xfs_qm_dqtrxzone; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | * This defines the unit of allocation of dquots. |
| 31 | * Currently, it is just one file system block, and a 4K blk contains 30 |
| 32 | * (136 * 30 = 4080) dquots. It's probably not worth trying to make |
| 33 | * this more dynamic. |
| 34 | * XXXsup However, if this number is changed, we have to make sure that we don't |
| 35 | * implicitly assume that we do allocations in chunks of a single filesystem |
| 36 | * block in the dquot/xqm code. |
| 37 | */ |
| 38 | #define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | * Various quota information for individual filesystems. |
| 42 | * The mount structure keeps a pointer to this. |
| 43 | */ |
| 44 | typedef struct xfs_quotainfo { |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame] | 45 | struct radix_tree_root qi_uquota_tree; |
| 46 | struct radix_tree_root qi_gquota_tree; |
| 47 | struct mutex qi_tree_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | xfs_inode_t *qi_uquotaip; /* user quota inode */ |
| 49 | xfs_inode_t *qi_gquotaip; /* group quota inode */ |
Christoph Hellwig | f8739c3 | 2012-03-13 08:52:34 +0000 | [diff] [blame] | 50 | struct list_head qi_lru_list; |
| 51 | struct mutex qi_lru_lock; |
| 52 | int qi_lru_count; |
Dave Chinner | 3a25404 | 2010-04-13 15:06:48 +1000 | [diff] [blame] | 53 | int qi_dquots; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | time_t qi_btimelimit; /* limit for blks timer */ |
| 55 | time_t qi_itimelimit; /* limit for inodes timer */ |
| 56 | time_t qi_rtbtimelimit;/* limit for rt blks timer */ |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 57 | xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */ |
| 58 | xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */ |
| 59 | xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */ |
Christoph Hellwig | a0b0b8a | 2009-03-29 09:51:00 +0200 | [diff] [blame] | 60 | struct mutex qi_quotaofflock;/* to serialize quotaoff */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */ |
| 62 | uint qi_dqperchunk; /* # ondisk dqs in above chunk */ |
| 63 | xfs_qcnt_t qi_bhardlimit; /* default data blk hard limit */ |
| 64 | xfs_qcnt_t qi_bsoftlimit; /* default data blk soft limit */ |
| 65 | xfs_qcnt_t qi_ihardlimit; /* default inode count hard limit */ |
| 66 | xfs_qcnt_t qi_isoftlimit; /* default inode count soft limit */ |
| 67 | xfs_qcnt_t qi_rtbhardlimit;/* default realtime blk hard limit */ |
| 68 | xfs_qcnt_t qi_rtbsoftlimit;/* default realtime blk soft limit */ |
Christoph Hellwig | f8739c3 | 2012-03-13 08:52:34 +0000 | [diff] [blame] | 69 | struct shrinker qi_shrinker; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | } xfs_quotainfo_t; |
| 71 | |
Chandra Seetharaman | 329e087 | 2013-06-27 17:25:05 -0500 | [diff] [blame] | 72 | static inline struct radix_tree_root * |
| 73 | xfs_dquot_tree( |
| 74 | struct xfs_quotainfo *qi, |
| 75 | int type) |
| 76 | { |
| 77 | switch (type) { |
| 78 | case XFS_DQ_USER: |
| 79 | return &qi->qi_uquota_tree; |
| 80 | case XFS_DQ_GROUP: |
| 81 | case XFS_DQ_PROJ: |
| 82 | return &qi->qi_gquota_tree; |
| 83 | default: |
| 84 | ASSERT(0); |
| 85 | } |
| 86 | return NULL; |
| 87 | } |
Chandra Seetharaman | 995961c | 2013-06-27 17:25:06 -0500 | [diff] [blame] | 88 | |
| 89 | static inline struct xfs_inode * |
| 90 | xfs_dq_to_quota_inode(struct xfs_dquot *dqp) |
| 91 | { |
| 92 | switch (dqp->dq_flags & XFS_DQ_ALLTYPES) { |
| 93 | case XFS_DQ_USER: |
| 94 | return dqp->q_mount->m_quotainfo->qi_uquotaip; |
| 95 | case XFS_DQ_GROUP: |
| 96 | case XFS_DQ_PROJ: |
| 97 | return dqp->q_mount->m_quotainfo->qi_gquotaip; |
| 98 | default: |
| 99 | ASSERT(0); |
| 100 | } |
| 101 | return NULL; |
| 102 | } |
| 103 | |
Christoph Hellwig | 3fe58f3 | 2013-04-03 16:11:16 +1100 | [diff] [blame] | 104 | extern int xfs_qm_calc_dquots_per_chunk(struct xfs_mount *mp, |
| 105 | unsigned int nbblks); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 106 | extern void xfs_trans_mod_dquot(struct xfs_trans *, |
| 107 | struct xfs_dquot *, uint, long); |
| 108 | extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *, |
| 109 | struct xfs_mount *, struct xfs_dquot *, |
| 110 | struct xfs_dquot *, long, long, uint); |
| 111 | extern void xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *); |
| 112 | extern void xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
| 114 | /* |
| 115 | * We keep the usr and grp dquots separately so that locking will be easier |
| 116 | * to do at commit time. All transactions that we know of at this point |
| 117 | * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value. |
| 118 | */ |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame^] | 119 | enum { |
| 120 | XFS_QM_TRANS_USR = 0, |
| 121 | XFS_QM_TRANS_GRP, |
| 122 | XFS_QM_TRANS_DQTYPES |
| 123 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | #define XFS_QM_TRANS_MAXDQS 2 |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame^] | 125 | struct xfs_dquot_acct { |
| 126 | struct xfs_dqtrx dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS]; |
| 127 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
| 129 | /* |
| 130 | * Users are allowed to have a usage exceeding their softlimit for |
| 131 | * a period this long. |
| 132 | */ |
| 133 | #define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 134 | #define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 135 | #define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 136 | |
| 137 | #define XFS_QM_BWARNLIMIT 5 |
| 138 | #define XFS_QM_IWARNLIMIT 5 |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 139 | #define XFS_QM_RTBWARNLIMIT 5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 141 | extern void xfs_qm_destroy_quotainfo(struct xfs_mount *); |
| 142 | extern int xfs_qm_quotacheck(struct xfs_mount *); |
| 143 | extern int xfs_qm_write_sb_changes(struct xfs_mount *, __int64_t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | |
| 145 | /* dquot stuff */ |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 146 | extern void xfs_qm_dqpurge_all(struct xfs_mount *, uint); |
| 147 | extern void xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 149 | /* quota ops */ |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 150 | extern int xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint); |
| 151 | extern int xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t, |
| 152 | uint, struct fs_disk_quota *); |
Brian Foster | b136645 | 2013-03-18 10:51:46 -0400 | [diff] [blame] | 153 | extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint, |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 154 | struct fs_disk_quota *); |
| 155 | extern int xfs_qm_scall_getqstat(struct xfs_mount *, |
| 156 | struct fs_quota_stat *); |
| 157 | extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint); |
| 158 | extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint); |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | #endif /* __XFS_QM_H__ */ |