253 static void __dquot_initialize(struct inode *inode, int type);
256 hashfn(const struct super_block *sb, unsigned int id, int type)  in hashfn()  argument
260 	tmp = (((unsigned long)sb>>L1_CACHE_SHIFT) ^ id) * (MAXQUOTAS - type);  in hashfn()
280 				unsigned int id, int type)  in find_dquot()  argument
288 		    dquot->dq_type == type)  in find_dquot()
395 void mark_info_dirty(struct super_block *sb, int type)  in mark_info_dirty()  argument
397 	set_bit(DQF_INFO_DIRTY_B, &sb_dqopt(sb)->info[type].dqi_flags);  in mark_info_dirty()
515 static void invalidate_dquots(struct super_block *sb, int type)  in invalidate_dquots()  argument
524 		if (dquot->dq_type != type)  in invalidate_dquots()
598 int dquot_quota_sync(struct super_block *sb, int type, int wait)  in dquot_quota_sync()  argument
607 		if (type != -1 && cnt != type)  in dquot_quota_sync()
635 		if ((cnt == type || type == -1) && sb_has_quota_active(sb, cnt)  in dquot_quota_sync()
657 		if (type != -1 && cnt != type)  in dquot_quota_sync()
780 struct dquot *dquot_alloc(struct super_block *sb, int type)  in dquot_alloc()  argument
786 static struct dquot *get_empty_dquot(struct super_block *sb, int type)  in get_empty_dquot()  argument
790 	dquot = sb->dq_op->alloc_dquot(sb, type);  in get_empty_dquot()
801 	dquot->dq_type = type;  in get_empty_dquot()
815 struct dquot *dqget(struct super_block *sb, unsigned int id, int type)  in dqget()  argument
817 	unsigned int hashent = hashfn(sb, id, type);  in dqget()
820         if (!sb_has_quota_active(sb, type))  in dqget()
825 	if (!sb_has_quota_active(sb, type)) {  in dqget()
832 	dquot = find_dquot(hashent, sb, id, type);  in dqget()
836 			empty = get_empty_dquot(sb, type);  in dqget()
879 static int dqinit_needed(struct inode *inode, int type)  in dqinit_needed()  argument
885 	if (type != -1)  in dqinit_needed()
886 		return !inode->i_dquot[type];  in dqinit_needed()
894 static void add_dquot_ref(struct super_block *sb, int type)  in add_dquot_ref()  argument
906 		    !dqinit_needed(inode, type)) {  in add_dquot_ref()
919 		__dquot_initialize(inode, type);  in add_dquot_ref()
960 static int remove_inode_dquot_ref(struct inode *inode, int type,  in remove_inode_dquot_ref()  argument
963 	struct dquot *dquot = inode->i_dquot[type];  in remove_inode_dquot_ref()
965 	inode->i_dquot[type] = NULL;  in remove_inode_dquot_ref()
1007 static void remove_dquot_ref(struct super_block *sb, int type,  in remove_dquot_ref()  argument
1024 			remove_inode_dquot_ref(inode, type, tofree_head);  in remove_dquot_ref()
1038 static void drop_dquot_ref(struct super_block *sb, int type)  in drop_dquot_ref()  argument
1044 		remove_dquot_ref(sb, type, &tofree_head);  in drop_dquot_ref()
1374 static void __dquot_initialize(struct inode *inode, int type)  in __dquot_initialize()  argument
1390 		if (type != -1 && cnt != type)  in __dquot_initialize()
1407 		if (type != -1 && cnt != type)  in __dquot_initialize()
1897 int dquot_commit_info(struct super_block *sb, int type)  in dquot_commit_info()  argument
1903 	ret = dqopt->ops[type]->write_file_info(sb, type);  in dquot_commit_info()
1940 int dquot_disable(struct super_block *sb, int type, unsigned int flags)  in dquot_disable()  argument
1967 		if (type != -1 && cnt != type)  in dquot_disable()
2072 int dquot_quota_off(struct super_block *sb, int type)  in dquot_quota_off()  argument
2074 	return dquot_disable(sb, type,  in dquot_quota_off()
2087 static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,  in vfs_load_quota_inode()  argument
2127 	if (sb_has_quota_loaded(sb, type)) {  in vfs_load_quota_inode()
2149 	dqopt->files[type] = igrab(inode);  in vfs_load_quota_inode()
2150 	if (!dqopt->files[type])  in vfs_load_quota_inode()
2153 	if (!fmt->qf_ops->check_quota_file(sb, type))  in vfs_load_quota_inode()
2156 	dqopt->ops[type] = fmt->qf_ops;  in vfs_load_quota_inode()
2157 	dqopt->info[type].dqi_format = fmt;  in vfs_load_quota_inode()
2158 	dqopt->info[type].dqi_fmt_id = format_id;  in vfs_load_quota_inode()
2159 	INIT_LIST_HEAD(&dqopt->info[type].dqi_dirty_list);  in vfs_load_quota_inode()
2161 	error = dqopt->ops[type]->read_file_info(sb, type);  in vfs_load_quota_inode()
2167 		dqopt->info[type].dqi_flags |= DQF_SYS_FILE;  in vfs_load_quota_inode()
2170 	dqopt->flags |= dquot_state_flag(flags, type);  in vfs_load_quota_inode()
2173 	add_dquot_ref(sb, type);  in vfs_load_quota_inode()
2179 	dqopt->files[type] = NULL;  in vfs_load_quota_inode()
2198 int dquot_resume(struct super_block *sb, int type)  in dquot_resume()  argument
2206 		if (type != -1 && cnt != type)  in dquot_resume()
2234 int dquot_quota_on(struct super_block *sb, int type, int format_id,  in dquot_quota_on()  argument
2244 		error = vfs_load_quota_inode(path->dentry->d_inode, type,  in dquot_quota_on()
2255 int dquot_enable(struct inode *inode, int type, int format_id,  in dquot_enable()  argument
2268 	if (sb_has_quota_loaded(sb, type)) {  in dquot_enable()
2271 		if (!sb_has_quota_loaded(sb, type)) {  in dquot_enable()
2276 		    sb_has_quota_usage_enabled(sb, type)) {  in dquot_enable()
2281 		    sb_has_quota_limits_enabled(sb, type)) {  in dquot_enable()
2286 		sb_dqopt(sb)->flags |= dquot_state_flag(flags, type);  in dquot_enable()
2294 	return vfs_load_quota_inode(inode, type, format_id, flags);  in dquot_enable()
2303 		int format_id, int type)  in dquot_quota_on_mount()  argument
2321 		error = vfs_load_quota_inode(dentry->d_inode, type, format_id,  in dquot_quota_on_mount()
2363 int dquot_get_dqblk(struct super_block *sb, int type, qid_t id,  in dquot_get_dqblk()  argument
2368 	dquot = dqget(sb, id, type);  in dquot_get_dqblk()
2475 int dquot_set_dqblk(struct super_block *sb, int type, qid_t id,  in dquot_set_dqblk()  argument
2481 	dquot = dqget(sb, id, type);  in dquot_set_dqblk()
2494 int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)  in dquot_get_dqinfo()  argument
2499 	if (!sb_has_quota_active(sb, type)) {  in dquot_get_dqinfo()
2503 	mi = sb_dqopt(sb)->info + type;  in dquot_get_dqinfo()
2516 int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)  in dquot_set_dqinfo()  argument
2522 	if (!sb_has_quota_active(sb, type)) {  in dquot_set_dqinfo()
2526 	mi = sb_dqopt(sb)->info + type;  in dquot_set_dqinfo()
2536 	mark_info_dirty(sb, type);  in dquot_set_dqinfo()
2538 	sb->dq_op->write_info(sb, type);  in dquot_set_dqinfo()
2559 	unsigned int type = (int *)table->data - dqstats.stat;  in do_proc_dqstats()  local
2562 	dqstats.stat[type] =  in do_proc_dqstats()
2563 			percpu_counter_sum_positive(&dqstats.counter[type]);  in do_proc_dqstats()