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 | |
Christoph Hellwig | 9f920f1 | 2012-03-13 08:52:35 +0000 | [diff] [blame] | 72 | #define XFS_DQUOT_TREE(qi, type) \ |
| 73 | ((type & XFS_DQ_USER) ? \ |
| 74 | &((qi)->qi_uquota_tree) : \ |
| 75 | &((qi)->qi_gquota_tree)) |
| 76 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | extern void xfs_trans_mod_dquot(xfs_trans_t *, xfs_dquot_t *, uint, long); |
| 79 | extern int xfs_trans_reserve_quota_bydquots(xfs_trans_t *, xfs_mount_t *, |
| 80 | xfs_dquot_t *, xfs_dquot_t *, long, long, uint); |
| 81 | extern void xfs_trans_dqjoin(xfs_trans_t *, xfs_dquot_t *); |
| 82 | extern void xfs_trans_log_dquot(xfs_trans_t *, xfs_dquot_t *); |
| 83 | |
| 84 | /* |
| 85 | * We keep the usr and grp dquots separately so that locking will be easier |
| 86 | * to do at commit time. All transactions that we know of at this point |
| 87 | * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value. |
| 88 | */ |
| 89 | #define XFS_QM_TRANS_MAXDQS 2 |
| 90 | typedef struct xfs_dquot_acct { |
| 91 | xfs_dqtrx_t dqa_usrdquots[XFS_QM_TRANS_MAXDQS]; |
| 92 | xfs_dqtrx_t dqa_grpdquots[XFS_QM_TRANS_MAXDQS]; |
| 93 | } xfs_dquot_acct_t; |
| 94 | |
| 95 | /* |
| 96 | * Users are allowed to have a usage exceeding their softlimit for |
| 97 | * a period this long. |
| 98 | */ |
| 99 | #define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 100 | #define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 101 | #define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */ |
| 102 | |
| 103 | #define XFS_QM_BWARNLIMIT 5 |
| 104 | #define XFS_QM_IWARNLIMIT 5 |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 105 | #define XFS_QM_RTBWARNLIMIT 5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | extern void xfs_qm_destroy_quotainfo(xfs_mount_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | extern int xfs_qm_quotacheck(xfs_mount_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | extern int xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
| 111 | /* dquot stuff */ |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 112 | extern void xfs_qm_dqpurge_all(xfs_mount_t *, uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint); |
| 114 | |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 115 | /* quota ops */ |
| 116 | extern int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); |
| 117 | extern int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, |
| 118 | fs_disk_quota_t *); |
| 119 | extern int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, |
| 120 | fs_disk_quota_t *); |
| 121 | extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); |
| 122 | extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint); |
| 123 | extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint); |
| 124 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | #endif /* __XFS_QM_H__ */ |