Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Definitions for diskquota-operations. When diskquota is configured these |
| 3 | * macros expand to the right source-code. |
| 4 | * |
| 5 | * Author: Marco van Wieringen <mvw@planets.elm.net> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | #ifndef _LINUX_QUOTAOPS_ |
| 8 | #define _LINUX_QUOTAOPS_ |
| 9 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/fs.h> |
| 11 | |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 12 | static inline struct quota_info *sb_dqopt(struct super_block *sb) |
| 13 | { |
| 14 | return &sb->s_dquot; |
| 15 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #if defined(CONFIG_QUOTA) |
| 18 | |
| 19 | /* |
| 20 | * declaration of quota_function calls in kernel. |
| 21 | */ |
Dmitry Monakhov | c469070 | 2010-02-09 17:53:36 +0100 | [diff] [blame] | 22 | void inode_add_rsv_space(struct inode *inode, qsize_t number); |
| 23 | void inode_claim_rsv_space(struct inode *inode, qsize_t number); |
| 24 | void inode_sub_rsv_space(struct inode *inode, qsize_t number); |
| 25 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 26 | int dquot_initialize(struct inode *inode, int type); |
| 27 | int dquot_drop(struct inode *inode); |
Jan Kara | 3d9ea25 | 2008-10-10 16:12:23 +0200 | [diff] [blame] | 28 | struct dquot *dqget(struct super_block *sb, unsigned int id, int type); |
| 29 | void dqput(struct dquot *dquot); |
Jan Kara | 12c7752 | 2008-10-20 17:05:00 +0200 | [diff] [blame] | 30 | int dquot_scan_active(struct super_block *sb, |
| 31 | int (*fn)(struct dquot *dquot, unsigned long priv), |
| 32 | unsigned long priv); |
Jan Kara | 7d9056b | 2008-11-25 15:31:32 +0100 | [diff] [blame] | 33 | struct dquot *dquot_alloc(struct super_block *sb, int type); |
| 34 | void dquot_destroy(struct dquot *dquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 36 | int __dquot_alloc_space(struct inode *inode, qsize_t number, |
| 37 | int warn, int reserve); |
| 38 | void __dquot_free_space(struct inode *inode, qsize_t number, int reserve); |
| 39 | |
Jan Kara | 1209546 | 2008-08-20 14:45:12 +0200 | [diff] [blame] | 40 | int dquot_alloc_inode(const struct inode *inode, qsize_t number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 42 | int dquot_claim_space_nodirty(struct inode *inode, qsize_t number); |
Jan Kara | 1209546 | 2008-08-20 14:45:12 +0200 | [diff] [blame] | 43 | int dquot_free_inode(const struct inode *inode, qsize_t number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Dmitry Monakhov | 8ddd69d | 2010-02-16 08:31:50 +0300 | [diff] [blame] | 45 | int dquot_transfer(struct inode *inode, qid_t *chid, unsigned long mask); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 46 | int dquot_commit(struct dquot *dquot); |
| 47 | int dquot_acquire(struct dquot *dquot); |
| 48 | int dquot_release(struct dquot *dquot); |
| 49 | int dquot_commit_info(struct super_block *sb, int type); |
| 50 | int dquot_mark_dquot_dirty(struct dquot *dquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 52 | int vfs_quota_on(struct super_block *sb, int type, int format_id, |
| 53 | char *path, int remount); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 54 | int vfs_quota_enable(struct inode *inode, int type, int format_id, |
| 55 | unsigned int flags); |
Al Viro | 77e69da | 2008-08-01 04:29:18 -0400 | [diff] [blame] | 56 | int vfs_quota_on_path(struct super_block *sb, int type, int format_id, |
| 57 | struct path *path); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 58 | int vfs_quota_on_mount(struct super_block *sb, char *qf_name, |
| 59 | int format_id, int type); |
| 60 | int vfs_quota_off(struct super_block *sb, int type, int remount); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 61 | int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags); |
Christoph Hellwig | 5fb324a | 2010-02-16 03:44:52 -0500 | [diff] [blame] | 62 | int vfs_quota_sync(struct super_block *sb, int type, int wait); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 63 | int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); |
| 64 | int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); |
| 65 | int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di); |
| 66 | int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di); |
| 67 | |
| 68 | void vfs_dq_drop(struct inode *inode); |
| 69 | int vfs_dq_transfer(struct inode *inode, struct iattr *iattr); |
| 70 | int vfs_dq_quota_on_remount(struct super_block *sb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 72 | static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) |
| 73 | { |
| 74 | return sb_dqopt(sb)->info + type; |
| 75 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 76 | |
| 77 | /* |
| 78 | * Functions for checking status of quota |
| 79 | */ |
| 80 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 81 | static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 82 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 83 | return sb_dqopt(sb)->flags & |
| 84 | dquot_state_flag(DQUOT_USAGE_ENABLED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 85 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 86 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 87 | static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 88 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 89 | return sb_dqopt(sb)->flags & |
| 90 | dquot_state_flag(DQUOT_LIMITS_ENABLED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 91 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 92 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 93 | static inline bool sb_has_quota_suspended(struct super_block *sb, int type) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 94 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 95 | return sb_dqopt(sb)->flags & |
| 96 | dquot_state_flag(DQUOT_SUSPENDED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 97 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 98 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 99 | static inline unsigned sb_any_quota_suspended(struct super_block *sb) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 100 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 101 | unsigned type, tmsk = 0; |
| 102 | for (type = 0; type < MAXQUOTAS; type++) |
| 103 | tmsk |= sb_has_quota_suspended(sb, type) << type; |
| 104 | return tmsk; |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 105 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 106 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 107 | /* Does kernel know about any quota information for given sb + type? */ |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 108 | static inline bool sb_has_quota_loaded(struct super_block *sb, int type) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 109 | { |
| 110 | /* Currently if anything is on, then quota usage is on as well */ |
| 111 | return sb_has_quota_usage_enabled(sb, type); |
| 112 | } |
| 113 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 114 | static inline unsigned sb_any_quota_loaded(struct super_block *sb) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 115 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 116 | unsigned type, tmsk = 0; |
| 117 | for (type = 0; type < MAXQUOTAS; type++) |
| 118 | tmsk |= sb_has_quota_loaded(sb, type) << type; |
| 119 | return tmsk; |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 120 | } |
| 121 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 122 | static inline bool sb_has_quota_active(struct super_block *sb, int type) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 123 | { |
| 124 | return sb_has_quota_loaded(sb, type) && |
| 125 | !sb_has_quota_suspended(sb, type); |
| 126 | } |
| 127 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 128 | static inline unsigned sb_any_quota_active(struct super_block *sb) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 129 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 130 | return sb_any_quota_loaded(sb) & ~sb_any_quota_suspended(sb); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 131 | } |
| 132 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | /* |
| 134 | * Operations supported for diskquotas. |
| 135 | */ |
Alexey Dobriyan | 61e225d | 2009-09-21 17:01:08 -0700 | [diff] [blame] | 136 | extern const struct dquot_operations dquot_operations; |
Alexey Dobriyan | 0d54b21 | 2009-09-21 17:01:09 -0700 | [diff] [blame] | 137 | extern const struct quotactl_ops vfs_quotactl_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
| 139 | #define sb_dquot_ops (&dquot_operations) |
| 140 | #define sb_quotactl_ops (&vfs_quotactl_ops) |
| 141 | |
| 142 | /* It is better to call this function outside of any transaction as it might |
| 143 | * need a lot of space in journal for dquot structure allocation. */ |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 144 | static inline void vfs_dq_init(struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | { |
| 146 | BUG_ON(!inode->i_sb); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 147 | if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | inode->i_sb->dq_op->initialize(inode, -1); |
| 149 | } |
| 150 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 151 | static inline int vfs_dq_alloc_inode(struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 153 | if (sb_any_quota_active(inode->i_sb)) { |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 154 | vfs_dq_init(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) |
| 156 | return 1; |
| 157 | } |
| 158 | return 0; |
| 159 | } |
| 160 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 161 | static inline void vfs_dq_free_inode(struct inode *inode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 163 | if (sb_any_quota_active(inode->i_sb)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | inode->i_sb->dq_op->free_inode(inode, 1); |
| 165 | } |
| 166 | |
Christoph Hellwig | 850b201 | 2009-04-27 16:43:54 +0200 | [diff] [blame] | 167 | /* Cannot be called inside a transaction */ |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 168 | static inline int vfs_dq_off(struct super_block *sb, int remount) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | { |
| 170 | int ret = -ENOSYS; |
| 171 | |
Jan Kara | 0ff5af8 | 2008-04-28 02:14:33 -0700 | [diff] [blame] | 172 | if (sb->s_qcop && sb->s_qcop->quota_off) |
| 173 | ret = sb->s_qcop->quota_off(sb, -1, remount); |
| 174 | return ret; |
| 175 | } |
| 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | #else |
| 178 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 179 | static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 180 | { |
| 181 | return 0; |
| 182 | } |
| 183 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 184 | static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 185 | { |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static inline int sb_has_quota_suspended(struct super_block *sb, int type) |
| 190 | { |
| 191 | return 0; |
| 192 | } |
| 193 | |
| 194 | static inline int sb_any_quota_suspended(struct super_block *sb) |
| 195 | { |
| 196 | return 0; |
| 197 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 198 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 199 | /* Does kernel know about any quota information for given sb + type? */ |
| 200 | static inline int sb_has_quota_loaded(struct super_block *sb, int type) |
| 201 | { |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static inline int sb_any_quota_loaded(struct super_block *sb) |
| 206 | { |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | static inline int sb_has_quota_active(struct super_block *sb, int type) |
| 211 | { |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | static inline int sb_any_quota_active(struct super_block *sb) |
| 216 | { |
| 217 | return 0; |
| 218 | } |
| 219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | /* |
| 221 | * NO-OP when quota not configured. |
| 222 | */ |
| 223 | #define sb_dquot_ops (NULL) |
| 224 | #define sb_quotactl_ops (NULL) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 225 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 226 | static inline void vfs_dq_init(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 227 | { |
| 228 | } |
| 229 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 230 | static inline void vfs_dq_drop(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 231 | { |
| 232 | } |
| 233 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 234 | static inline int vfs_dq_alloc_inode(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 235 | { |
| 236 | return 0; |
| 237 | } |
| 238 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 239 | static inline void vfs_dq_free_inode(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 240 | { |
| 241 | } |
| 242 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 243 | static inline int vfs_dq_off(struct super_block *sb, int remount) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 244 | { |
| 245 | return 0; |
| 246 | } |
| 247 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 248 | static inline int vfs_dq_quota_on_remount(struct super_block *sb) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 249 | { |
| 250 | return 0; |
| 251 | } |
| 252 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 253 | static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 254 | { |
| 255 | return 0; |
| 256 | } |
| 257 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 258 | static inline int __dquot_alloc_space(struct inode *inode, qsize_t number, |
| 259 | int warn, int reserve) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 261 | if (!reserve) |
| 262 | inode_add_bytes(inode, number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | return 0; |
| 264 | } |
| 265 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 266 | static inline void __dquot_free_space(struct inode *inode, qsize_t number, |
| 267 | int reserve) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 269 | if (!reserve) |
| 270 | inode_sub_bytes(inode, number); |
| 271 | } |
| 272 | |
| 273 | static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) |
| 274 | { |
| 275 | inode_add_bytes(inode, number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | return 0; |
| 277 | } |
| 278 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | #endif /* CONFIG_QUOTA */ |
| 280 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 281 | static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 282 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 283 | return __dquot_alloc_space(inode, nr, 1, 0); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 284 | } |
| 285 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 286 | static inline int dquot_alloc_space(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 287 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 288 | int ret; |
| 289 | |
| 290 | ret = dquot_alloc_space_nodirty(inode, nr); |
| 291 | if (!ret) |
| 292 | mark_inode_dirty(inode); |
| 293 | return ret; |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 294 | } |
| 295 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 296 | static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 297 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 298 | return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 301 | static inline int dquot_alloc_block(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 302 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 303 | return dquot_alloc_space(inode, nr << inode->i_blkbits); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 304 | } |
| 305 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 306 | static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr) |
Mingming Cao | f18df22 | 2009-01-13 16:43:09 +0100 | [diff] [blame] | 307 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 308 | return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0); |
Mingming Cao | f18df22 | 2009-01-13 16:43:09 +0100 | [diff] [blame] | 309 | } |
| 310 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 311 | static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr) |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 312 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 313 | int ret; |
| 314 | |
| 315 | ret = dquot_prealloc_block_nodirty(inode, nr); |
| 316 | if (!ret) |
| 317 | mark_inode_dirty(inode); |
| 318 | return ret; |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 319 | } |
| 320 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 321 | static inline int dquot_reserve_block(struct inode *inode, qsize_t nr) |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 322 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 323 | return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1); |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 324 | } |
| 325 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 326 | static inline int dquot_claim_block(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 327 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 328 | int ret; |
| 329 | |
| 330 | ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits); |
| 331 | if (!ret) |
| 332 | mark_inode_dirty(inode); |
| 333 | return ret; |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 334 | } |
| 335 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 336 | static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 337 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame^] | 338 | __dquot_free_space(inode, nr, 0); |
| 339 | } |
| 340 | |
| 341 | static inline void dquot_free_space(struct inode *inode, qsize_t nr) |
| 342 | { |
| 343 | dquot_free_space_nodirty(inode, nr); |
| 344 | mark_inode_dirty(inode); |
| 345 | } |
| 346 | |
| 347 | static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr) |
| 348 | { |
| 349 | dquot_free_space_nodirty(inode, nr << inode->i_blkbits); |
| 350 | } |
| 351 | |
| 352 | static inline void dquot_free_block(struct inode *inode, qsize_t nr) |
| 353 | { |
| 354 | dquot_free_space(inode, nr << inode->i_blkbits); |
| 355 | } |
| 356 | |
| 357 | static inline void dquot_release_reservation_block(struct inode *inode, |
| 358 | qsize_t nr) |
| 359 | { |
| 360 | __dquot_free_space(inode, nr << inode->i_blkbits, 1); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 361 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | #endif /* _LINUX_QUOTAOPS_ */ |