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 | |
Dmitry Monakhov | 1275562 | 2010-04-08 22:04:20 +0400 | [diff] [blame^] | 17 | /* i_mutex must being held */ |
| 18 | static inline bool is_quota_modification(struct inode *inode, struct iattr *ia) |
| 19 | { |
| 20 | return (ia->ia_valid & ATTR_SIZE && ia->ia_size != inode->i_size) || |
| 21 | (ia->ia_valid & ATTR_UID && ia->ia_uid != inode->i_uid) || |
| 22 | (ia->ia_valid & ATTR_GID && ia->ia_gid != inode->i_gid); |
| 23 | } |
| 24 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #if defined(CONFIG_QUOTA) |
| 26 | |
| 27 | /* |
| 28 | * declaration of quota_function calls in kernel. |
| 29 | */ |
Dmitry Monakhov | c469070 | 2010-02-09 17:53:36 +0100 | [diff] [blame] | 30 | void inode_add_rsv_space(struct inode *inode, qsize_t number); |
| 31 | void inode_claim_rsv_space(struct inode *inode, qsize_t number); |
| 32 | void inode_sub_rsv_space(struct inode *inode, qsize_t number); |
| 33 | |
Christoph Hellwig | 871a293 | 2010-03-03 09:05:07 -0500 | [diff] [blame] | 34 | void dquot_initialize(struct inode *inode); |
Christoph Hellwig | 9f75475 | 2010-03-03 09:05:05 -0500 | [diff] [blame] | 35 | void dquot_drop(struct inode *inode); |
Jan Kara | 3d9ea25 | 2008-10-10 16:12:23 +0200 | [diff] [blame] | 36 | struct dquot *dqget(struct super_block *sb, unsigned int id, int type); |
| 37 | void dqput(struct dquot *dquot); |
Jan Kara | 12c7752 | 2008-10-20 17:05:00 +0200 | [diff] [blame] | 38 | int dquot_scan_active(struct super_block *sb, |
| 39 | int (*fn)(struct dquot *dquot, unsigned long priv), |
| 40 | unsigned long priv); |
Jan Kara | 7d9056b | 2008-11-25 15:31:32 +0100 | [diff] [blame] | 41 | struct dquot *dquot_alloc(struct super_block *sb, int type); |
| 42 | void dquot_destroy(struct dquot *dquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 44 | int __dquot_alloc_space(struct inode *inode, qsize_t number, |
| 45 | int warn, int reserve); |
| 46 | void __dquot_free_space(struct inode *inode, qsize_t number, int reserve); |
| 47 | |
Christoph Hellwig | 63936dd | 2010-03-03 09:05:01 -0500 | [diff] [blame] | 48 | int dquot_alloc_inode(const struct inode *inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 50 | int dquot_claim_space_nodirty(struct inode *inode, qsize_t number); |
Christoph Hellwig | 63936dd | 2010-03-03 09:05:01 -0500 | [diff] [blame] | 51 | void dquot_free_inode(const struct inode *inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 53 | int dquot_commit(struct dquot *dquot); |
| 54 | int dquot_acquire(struct dquot *dquot); |
| 55 | int dquot_release(struct dquot *dquot); |
| 56 | int dquot_commit_info(struct super_block *sb, int type); |
| 57 | int dquot_mark_dquot_dirty(struct dquot *dquot); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
Christoph Hellwig | 907f455 | 2010-03-03 09:05:06 -0500 | [diff] [blame] | 59 | int dquot_file_open(struct inode *inode, struct file *file); |
| 60 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 61 | int vfs_quota_on(struct super_block *sb, int type, int format_id, |
| 62 | char *path, int remount); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 63 | int vfs_quota_enable(struct inode *inode, int type, int format_id, |
| 64 | unsigned int flags); |
Al Viro | 77e69da | 2008-08-01 04:29:18 -0400 | [diff] [blame] | 65 | int vfs_quota_on_path(struct super_block *sb, int type, int format_id, |
| 66 | struct path *path); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 67 | int vfs_quota_on_mount(struct super_block *sb, char *qf_name, |
| 68 | int format_id, int type); |
| 69 | int vfs_quota_off(struct super_block *sb, int type, int remount); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 70 | 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] | 71 | int vfs_quota_sync(struct super_block *sb, int type, int wait); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 72 | int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); |
| 73 | int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); |
Christoph Hellwig | b9b2dd3 | 2010-05-06 17:04:58 -0400 | [diff] [blame] | 74 | int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, |
| 75 | struct fs_disk_quota *di); |
Christoph Hellwig | c472b43 | 2010-05-06 17:05:17 -0400 | [diff] [blame] | 76 | int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, |
| 77 | struct fs_disk_quota *di); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 78 | |
Christoph Hellwig | b43fa82 | 2010-03-03 09:05:03 -0500 | [diff] [blame] | 79 | int dquot_transfer(struct inode *inode, struct iattr *iattr); |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 80 | int vfs_dq_quota_on_remount(struct super_block *sb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 82 | static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) |
| 83 | { |
| 84 | return sb_dqopt(sb)->info + type; |
| 85 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 86 | |
| 87 | /* |
| 88 | * Functions for checking status of quota |
| 89 | */ |
| 90 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 91 | 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] | 92 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 93 | return sb_dqopt(sb)->flags & |
| 94 | dquot_state_flag(DQUOT_USAGE_ENABLED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 95 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 96 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 97 | 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] | 98 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 99 | return sb_dqopt(sb)->flags & |
| 100 | dquot_state_flag(DQUOT_LIMITS_ENABLED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 101 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 102 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 103 | 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] | 104 | { |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 105 | return sb_dqopt(sb)->flags & |
| 106 | dquot_state_flag(DQUOT_SUSPENDED, type); |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 107 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 108 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 109 | static inline unsigned sb_any_quota_suspended(struct super_block *sb) |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 110 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 111 | unsigned type, tmsk = 0; |
| 112 | for (type = 0; type < MAXQUOTAS; type++) |
| 113 | tmsk |= sb_has_quota_suspended(sb, type) << type; |
| 114 | return tmsk; |
Jan Kara | 03b0634 | 2008-07-25 01:46:52 -0700 | [diff] [blame] | 115 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 116 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 117 | /* Does kernel know about any quota information for given sb + type? */ |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 118 | 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] | 119 | { |
| 120 | /* Currently if anything is on, then quota usage is on as well */ |
| 121 | return sb_has_quota_usage_enabled(sb, type); |
| 122 | } |
| 123 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 124 | static inline unsigned sb_any_quota_loaded(struct super_block *sb) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 125 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 126 | unsigned type, tmsk = 0; |
| 127 | for (type = 0; type < MAXQUOTAS; type++) |
| 128 | tmsk |= sb_has_quota_loaded(sb, type) << type; |
| 129 | return tmsk; |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 130 | } |
| 131 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 132 | 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] | 133 | { |
| 134 | return sb_has_quota_loaded(sb, type) && |
| 135 | !sb_has_quota_suspended(sb, type); |
| 136 | } |
| 137 | |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 138 | static inline unsigned sb_any_quota_active(struct super_block *sb) |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 139 | { |
Dmitry Monakhov | ad1e6e8 | 2010-02-16 08:31:49 +0300 | [diff] [blame] | 140 | return sb_any_quota_loaded(sb) & ~sb_any_quota_suspended(sb); |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 141 | } |
| 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | /* |
| 144 | * Operations supported for diskquotas. |
| 145 | */ |
Alexey Dobriyan | 61e225d | 2009-09-21 17:01:08 -0700 | [diff] [blame] | 146 | extern const struct dquot_operations dquot_operations; |
Alexey Dobriyan | 0d54b21 | 2009-09-21 17:01:09 -0700 | [diff] [blame] | 147 | extern const struct quotactl_ops vfs_quotactl_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | |
| 149 | #define sb_dquot_ops (&dquot_operations) |
| 150 | #define sb_quotactl_ops (&vfs_quotactl_ops) |
| 151 | |
Christoph Hellwig | 850b201 | 2009-04-27 16:43:54 +0200 | [diff] [blame] | 152 | /* Cannot be called inside a transaction */ |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 153 | static inline int vfs_dq_off(struct super_block *sb, int remount) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | { |
| 155 | int ret = -ENOSYS; |
| 156 | |
Jan Kara | 0ff5af8 | 2008-04-28 02:14:33 -0700 | [diff] [blame] | 157 | if (sb->s_qcop && sb->s_qcop->quota_off) |
| 158 | ret = sb->s_qcop->quota_off(sb, -1, remount); |
| 159 | return ret; |
| 160 | } |
| 161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | #else |
| 163 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 164 | 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] | 165 | { |
| 166 | return 0; |
| 167 | } |
| 168 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 169 | 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] | 170 | { |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static inline int sb_has_quota_suspended(struct super_block *sb, int type) |
| 175 | { |
| 176 | return 0; |
| 177 | } |
| 178 | |
| 179 | static inline int sb_any_quota_suspended(struct super_block *sb) |
| 180 | { |
| 181 | return 0; |
| 182 | } |
Jan Kara | 74abb98 | 2008-07-25 01:46:51 -0700 | [diff] [blame] | 183 | |
Jan Kara | f55abc0 | 2008-08-20 17:50:32 +0200 | [diff] [blame] | 184 | /* Does kernel know about any quota information for given sb + type? */ |
| 185 | static inline int sb_has_quota_loaded(struct super_block *sb, int type) |
| 186 | { |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | static inline int sb_any_quota_loaded(struct super_block *sb) |
| 191 | { |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | static inline int sb_has_quota_active(struct super_block *sb, int type) |
| 196 | { |
| 197 | return 0; |
| 198 | } |
| 199 | |
| 200 | static inline int sb_any_quota_active(struct super_block *sb) |
| 201 | { |
| 202 | return 0; |
| 203 | } |
| 204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | /* |
| 206 | * NO-OP when quota not configured. |
| 207 | */ |
| 208 | #define sb_dquot_ops (NULL) |
| 209 | #define sb_quotactl_ops (NULL) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 210 | |
Christoph Hellwig | 871a293 | 2010-03-03 09:05:07 -0500 | [diff] [blame] | 211 | static inline void dquot_initialize(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 212 | { |
| 213 | } |
| 214 | |
Christoph Hellwig | 9f75475 | 2010-03-03 09:05:05 -0500 | [diff] [blame] | 215 | static inline void dquot_drop(struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 216 | { |
| 217 | } |
| 218 | |
Christoph Hellwig | 63936dd | 2010-03-03 09:05:01 -0500 | [diff] [blame] | 219 | static inline int dquot_alloc_inode(const struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 220 | { |
| 221 | return 0; |
| 222 | } |
| 223 | |
Christoph Hellwig | 63936dd | 2010-03-03 09:05:01 -0500 | [diff] [blame] | 224 | static inline void dquot_free_inode(const struct inode *inode) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 225 | { |
| 226 | } |
| 227 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 228 | static inline int vfs_dq_off(struct super_block *sb, int remount) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 229 | { |
| 230 | return 0; |
| 231 | } |
| 232 | |
Jan Kara | b85f4b8 | 2008-07-25 01:46:50 -0700 | [diff] [blame] | 233 | static inline int vfs_dq_quota_on_remount(struct super_block *sb) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 234 | { |
| 235 | return 0; |
| 236 | } |
| 237 | |
Christoph Hellwig | b43fa82 | 2010-03-03 09:05:03 -0500 | [diff] [blame] | 238 | static inline int dquot_transfer(struct inode *inode, struct iattr *iattr) |
Andrew Morton | 50f8c37 | 2008-04-28 02:14:35 -0700 | [diff] [blame] | 239 | { |
| 240 | return 0; |
| 241 | } |
| 242 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 243 | static inline int __dquot_alloc_space(struct inode *inode, qsize_t number, |
| 244 | int warn, int reserve) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 246 | if (!reserve) |
| 247 | inode_add_bytes(inode, number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | return 0; |
| 249 | } |
| 250 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 251 | static inline void __dquot_free_space(struct inode *inode, qsize_t number, |
| 252 | int reserve) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 254 | if (!reserve) |
| 255 | inode_sub_bytes(inode, number); |
| 256 | } |
| 257 | |
| 258 | static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) |
| 259 | { |
| 260 | inode_add_bytes(inode, number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | return 0; |
| 262 | } |
| 263 | |
Christoph Hellwig | 871a293 | 2010-03-03 09:05:07 -0500 | [diff] [blame] | 264 | #define dquot_file_open generic_file_open |
| 265 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | #endif /* CONFIG_QUOTA */ |
| 267 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 268 | 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] | 269 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 270 | return __dquot_alloc_space(inode, nr, 1, 0); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 271 | } |
| 272 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 273 | static inline int dquot_alloc_space(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 274 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 275 | int ret; |
| 276 | |
| 277 | ret = dquot_alloc_space_nodirty(inode, nr); |
| 278 | if (!ret) |
| 279 | mark_inode_dirty(inode); |
| 280 | return ret; |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 281 | } |
| 282 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 283 | 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] | 284 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 285 | return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 288 | static inline int dquot_alloc_block(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 289 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 290 | return dquot_alloc_space(inode, nr << inode->i_blkbits); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 291 | } |
| 292 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 293 | 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] | 294 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 295 | return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0); |
Mingming Cao | f18df22 | 2009-01-13 16:43:09 +0100 | [diff] [blame] | 296 | } |
| 297 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 298 | static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr) |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 299 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 300 | int ret; |
| 301 | |
| 302 | ret = dquot_prealloc_block_nodirty(inode, nr); |
| 303 | if (!ret) |
| 304 | mark_inode_dirty(inode); |
| 305 | return ret; |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 306 | } |
| 307 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 308 | static inline int dquot_reserve_block(struct inode *inode, qsize_t nr) |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 309 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 310 | return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1); |
Mingming Cao | 740d9dc | 2009-01-13 16:43:14 +0100 | [diff] [blame] | 311 | } |
| 312 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 313 | static inline int dquot_claim_block(struct inode *inode, qsize_t nr) |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 314 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 315 | int ret; |
| 316 | |
| 317 | ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits); |
| 318 | if (!ret) |
| 319 | mark_inode_dirty(inode); |
| 320 | return ret; |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 321 | } |
| 322 | |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 323 | 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] | 324 | { |
Christoph Hellwig | 5dd4056 | 2010-03-03 09:05:00 -0500 | [diff] [blame] | 325 | __dquot_free_space(inode, nr, 0); |
| 326 | } |
| 327 | |
| 328 | static inline void dquot_free_space(struct inode *inode, qsize_t nr) |
| 329 | { |
| 330 | dquot_free_space_nodirty(inode, nr); |
| 331 | mark_inode_dirty(inode); |
| 332 | } |
| 333 | |
| 334 | static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr) |
| 335 | { |
| 336 | dquot_free_space_nodirty(inode, nr << inode->i_blkbits); |
| 337 | } |
| 338 | |
| 339 | static inline void dquot_free_block(struct inode *inode, qsize_t nr) |
| 340 | { |
| 341 | dquot_free_space(inode, nr << inode->i_blkbits); |
| 342 | } |
| 343 | |
| 344 | static inline void dquot_release_reservation_block(struct inode *inode, |
| 345 | qsize_t nr) |
| 346 | { |
| 347 | __dquot_free_space(inode, nr << inode->i_blkbits, 1); |
Jan Kara | 03f6e92 | 2008-04-28 02:14:32 -0700 | [diff] [blame] | 348 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | #endif /* _LINUX_QUOTAOPS_ */ |