ulfs_quota.h revision 1.4.2.2
1 1.4.2.2 tls /* $NetBSD: ulfs_quota.h,v 1.4.2.2 2013/06/23 06:18:39 tls Exp $ */ 2 1.4.2.2 tls /* from NetBSD: ufs_quota.h,v 1.21 2012/02/18 06:13:23 matt Exp */ 3 1.4.2.2 tls 4 1.4.2.2 tls /* 5 1.4.2.2 tls * Copyright (c) 1982, 1986, 1990, 1993, 1995 6 1.4.2.2 tls * The Regents of the University of California. All rights reserved. 7 1.4.2.2 tls * 8 1.4.2.2 tls * This code is derived from software contributed to Berkeley by 9 1.4.2.2 tls * Robert Elz at The University of Melbourne. 10 1.4.2.2 tls * 11 1.4.2.2 tls * Redistribution and use in source and binary forms, with or without 12 1.4.2.2 tls * modification, are permitted provided that the following conditions 13 1.4.2.2 tls * are met: 14 1.4.2.2 tls * 1. Redistributions of source code must retain the above copyright 15 1.4.2.2 tls * notice, this list of conditions and the following disclaimer. 16 1.4.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright 17 1.4.2.2 tls * notice, this list of conditions and the following disclaimer in the 18 1.4.2.2 tls * documentation and/or other materials provided with the distribution. 19 1.4.2.2 tls * 3. Neither the name of the University nor the names of its contributors 20 1.4.2.2 tls * may be used to endorse or promote products derived from this software 21 1.4.2.2 tls * without specific prior written permission. 22 1.4.2.2 tls * 23 1.4.2.2 tls * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.4.2.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.4.2.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.4.2.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.4.2.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.4.2.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.4.2.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.4.2.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.4.2.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.4.2.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.4.2.2 tls * SUCH DAMAGE. 34 1.4.2.2 tls * 35 1.4.2.2 tls * @(#)ufs_quota.c 8.5 (Berkeley) 5/20/95 36 1.4.2.2 tls */ 37 1.4.2.2 tls #include <ufs/lfs/ulfs_quota1.h> 38 1.4.2.2 tls #include <ufs/lfs/ulfs_quota2.h> 39 1.4.2.2 tls 40 1.4.2.2 tls struct quotakcursor; /* from <sys/quotactl.h> */ 41 1.4.2.2 tls 42 1.4.2.2 tls 43 1.4.2.2 tls /* link to this quota in the quota inode (for QUOTA2) */ 44 1.4.2.2 tls struct dq2_desc { 45 1.4.2.2 tls uint64_t dq2_lblkno; /* logical disk block holding this quota */ 46 1.4.2.2 tls u_int dq2_blkoff; /* offset in disk block holding this quota */ 47 1.4.2.2 tls }; 48 1.4.2.2 tls 49 1.4.2.2 tls /* 50 1.4.2.2 tls * The following structure records disk usage for a user or group on a 51 1.4.2.2 tls * filesystem. There is one allocated for each quota that exists on any 52 1.4.2.2 tls * filesystem for the current user or group. A cache is kept of recently 53 1.4.2.2 tls * used entries. 54 1.4.2.2 tls * Field markings and the corresponding locks: 55 1.4.2.2 tls * h: dqlock 56 1.4.2.2 tls * d: dq_interlock 57 1.4.2.2 tls * 58 1.4.2.2 tls * Lock order is: dq_interlock -> dqlock 59 1.4.2.2 tls * dq_interlock -> dqvp 60 1.4.2.2 tls */ 61 1.4.2.2 tls struct dquot { 62 1.4.2.2 tls LIST_ENTRY(dquot) dq_hash; /* h: hash list */ 63 1.4.2.2 tls u_int16_t dq_flags; /* d: flags, see below */ 64 1.4.2.2 tls u_int16_t dq_type; /* d: quota type of this dquot */ 65 1.4.2.2 tls u_int32_t dq_cnt; /* h: count of active references */ 66 1.4.2.2 tls u_int32_t dq_id; /* d: identifier this applies to */ 67 1.4.2.2 tls struct ulfsmount *dq_ump; /* d: filesystem this is taken from */ 68 1.4.2.2 tls kmutex_t dq_interlock; /* d: lock this dquot */ 69 1.4.2.2 tls union { 70 1.4.2.2 tls struct dqblk dq1_dqb; /* d: actual usage & quotas */ 71 1.4.2.2 tls struct dq2_desc dq2_desc; /* d: pointer to quota data */ 72 1.4.2.2 tls } dq_un; 73 1.4.2.2 tls }; 74 1.4.2.2 tls 75 1.4.2.2 tls /* 76 1.4.2.2 tls * Flag values. 77 1.4.2.2 tls */ 78 1.4.2.2 tls #define DQ_MOD 0x04 /* this quota modified since read */ 79 1.4.2.2 tls #define DQ_FAKE 0x08 /* no limits here, just usage */ 80 1.4.2.2 tls #define DQ_WARN(ltype) (0x10 << ltype) /* has been warned about "type" limit */ 81 1.4.2.2 tls /* 82 1.4.2.2 tls * Shorthand notation. 83 1.4.2.2 tls */ 84 1.4.2.2 tls #define dq_bhardlimit dq_un.dq1_dqb.dqb_bhardlimit 85 1.4.2.2 tls #define dq_bsoftlimit dq_un.dq1_dqb.dqb_bsoftlimit 86 1.4.2.2 tls #define dq_curblocks dq_un.dq1_dqb.dqb_curblocks 87 1.4.2.2 tls #define dq_ihardlimit dq_un.dq1_dqb.dqb_ihardlimit 88 1.4.2.2 tls #define dq_isoftlimit dq_un.dq1_dqb.dqb_isoftlimit 89 1.4.2.2 tls #define dq_curinodes dq_un.dq1_dqb.dqb_curinodes 90 1.4.2.2 tls #define dq_btime dq_un.dq1_dqb.dqb_btime 91 1.4.2.2 tls #define dq_itime dq_un.dq1_dqb.dqb_itime 92 1.4.2.2 tls 93 1.4.2.2 tls #define dq2_lblkno dq_un.dq2_desc.dq2_lblkno 94 1.4.2.2 tls #define dq2_blkoff dq_un.dq2_desc.dq2_blkoff 95 1.4.2.2 tls /* 96 1.4.2.2 tls * If the system has never checked for a quota for this file, then it is 97 1.4.2.2 tls * set to NODQUOT. Once a write attempt is made the inode pointer is set 98 1.4.2.2 tls * to reference a dquot structure. 99 1.4.2.2 tls */ 100 1.4.2.2 tls #define NODQUOT NULL 101 1.4.2.2 tls 102 1.4.2.2 tls extern kmutex_t lfs_dqlock; 103 1.4.2.2 tls extern kcondvar_t lfs_dqcv; 104 1.4.2.2 tls /* 105 1.4.2.2 tls * Quota name to error message mapping. 106 1.4.2.2 tls */ 107 1.4.2.2 tls extern const char *lfs_quotatypes[ULFS_MAXQUOTAS]; 108 1.4.2.2 tls 109 1.4.2.2 tls int lfs_getinoquota(struct inode *); 110 1.4.2.2 tls int lfs_dqget(struct vnode *, u_long, struct ulfsmount *, int, struct dquot **); 111 1.4.2.2 tls void lfs_dqref(struct dquot *); 112 1.4.2.2 tls void lfs_dqrele(struct vnode *, struct dquot *); 113 1.4.2.2 tls void lfs_dqflush(struct vnode *); 114 1.4.2.2 tls 115 1.4.2.2 tls int lfs_chkdq1(struct inode *, int64_t, kauth_cred_t, int); 116 1.4.2.2 tls int lfs_chkiq1(struct inode *, int32_t, kauth_cred_t, int); 117 1.4.2.2 tls int lfs_q1sync(struct mount *); 118 1.4.2.2 tls int lfs_dq1get(struct vnode *, u_long, struct ulfsmount *, int, struct dquot *); 119 1.4.2.2 tls int lfs_dq1sync(struct vnode *, struct dquot *); 120 1.4.2.2 tls int lfsquota1_handle_cmd_get(struct ulfsmount *, const struct quotakey *, 121 1.4.2.2 tls struct quotaval *); 122 1.4.2.2 tls int lfsquota1_handle_cmd_put(struct ulfsmount *, const struct quotakey *, 123 1.4.2.2 tls const struct quotaval *); 124 1.4.2.2 tls int lfsquota1_handle_cmd_quotaon(struct lwp *, struct ulfsmount *, int, 125 1.4.2.2 tls const char *); 126 1.4.2.2 tls int lfsquota1_handle_cmd_quotaoff(struct lwp *, struct ulfsmount *, int); 127 1.4.2.2 tls 128 1.4.2.2 tls int lfs_chkdq2(struct inode *, int64_t, kauth_cred_t, int); 129 1.4.2.2 tls int lfs_chkiq2(struct inode *, int32_t, kauth_cred_t, int); 130 1.4.2.2 tls int lfsquota2_handle_cmd_get(struct ulfsmount *, const struct quotakey *, 131 1.4.2.2 tls struct quotaval *); 132 1.4.2.2 tls int lfsquota2_handle_cmd_put(struct ulfsmount *, const struct quotakey *, 133 1.4.2.2 tls const struct quotaval *); 134 1.4.2.2 tls int lfsquota2_handle_cmd_delete(struct ulfsmount *, const struct quotakey *); 135 1.4.2.2 tls int lfsquota2_handle_cmd_cursorget(struct ulfsmount *, struct quotakcursor *, 136 1.4.2.2 tls struct quotakey *, struct quotaval *, unsigned, unsigned *); 137 1.4.2.2 tls int lfsquota2_handle_cmd_cursoropen(struct ulfsmount *, struct quotakcursor *); 138 1.4.2.2 tls int lfsquota2_handle_cmd_cursorclose(struct ulfsmount *, struct quotakcursor *); 139 1.4.2.2 tls int lfsquota2_handle_cmd_cursorskipidtype(struct ulfsmount *, struct quotakcursor *, 140 1.4.2.2 tls int); 141 1.4.2.2 tls int lfsquota2_handle_cmd_cursoratend(struct ulfsmount *, struct quotakcursor *, 142 1.4.2.2 tls int *); 143 1.4.2.2 tls int lfsquota2_handle_cmd_cursorrewind(struct ulfsmount *, struct quotakcursor *); 144 1.4.2.2 tls int lfs_q2sync(struct mount *); 145 1.4.2.2 tls int lfs_dq2get(struct vnode *, u_long, struct ulfsmount *, int, struct dquot *); 146 1.4.2.2 tls int lfs_dq2sync(struct vnode *, struct dquot *); 147
Indexes created Tue Oct 28 02:10:10 GMT 2025