include/linux/quotaops.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions for diskquota-operations. When diskquota is configured these
  * macros expand to the right source-code.
  *
  * Author:  Marco van Wieringen <mvw@planets.elm.net>
  */
 #ifndef _LINUX_QUOTAOPS_
 #define _LINUX_QUOTAOPS_

 #include <linux/fs.h>

 #define DQUOT_SPACE_WARN	0x1
 #define DQUOT_SPACE_RESERVE	0x2
 #define DQUOT_SPACE_NOFAIL	0x4

 static inline struct quota_info *sb_dqopt(struct super_block *sb)
 {
 	return &sb->s_dquot;
 }

 /* i_mutex must being held */
 static inline bool is_quota_modification(struct inode *inode, struct iattr *ia)
 {
 	return (ia->ia_valid & ATTR_SIZE) ||
 		(ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) ||
 		(ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid));
 }

 #if defined(CONFIG_QUOTA)

 #define quota_error(sb, fmt, args...) \
 	__quota_error((sb), __func__, fmt , ## args)

 extern __printf(3, 4)
 void __quota_error(struct super_block *sb, const char *func,
 		   const char *fmt, ...);

 /*
  * declaration of quota_function calls in kernel.
  */
 int dquot_initialize(struct inode *inode);
 bool dquot_initialize_needed(struct inode *inode);
 void dquot_drop(struct inode *inode);
 struct dquot *dqget(struct super_block *sb, struct kqid qid);
 static inline struct dquot *dqgrab(struct dquot *dquot)
 {
 	/* Make sure someone else has active reference to dquot */
 	WARN_ON_ONCE(!atomic_read(&dquot->dq_count));
 	WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags));
 	atomic_inc(&dquot->dq_count);
 	return dquot;
 }

 static inline bool dquot_is_busy(struct dquot *dquot)
 {
 	if (test_bit(DQ_MOD_B, &dquot->dq_flags))
 		return true;
 	if (atomic_read(&dquot->dq_count) > 1)
 		return true;
 	return false;
 }

 void dqput(struct dquot *dquot);
 int dquot_scan_active(struct super_block *sb,
 		      int (*fn)(struct dquot *dquot, unsigned long priv),
 		      unsigned long priv);
 struct dquot *dquot_alloc(struct super_block *sb, int type);
 void dquot_destroy(struct dquot *dquot);

 int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags);
 void __dquot_free_space(struct inode *inode, qsize_t number, int flags);

 int dquot_alloc_inode(struct inode *inode);

 int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
 void dquot_free_inode(struct inode *inode);
 void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);

 int dquot_disable(struct super_block *sb, int type, unsigned int flags);
 /* Suspend quotas on remount RO */
 static inline int dquot_suspend(struct super_block *sb, int type)
 {
 	return dquot_disable(sb, type, DQUOT_SUSPENDED);
 }
 int dquot_resume(struct super_block *sb, int type);

 int dquot_commit(struct dquot *dquot);
 int dquot_acquire(struct dquot *dquot);
 int dquot_release(struct dquot *dquot);
 int dquot_commit_info(struct super_block *sb, int type);
 int dquot_get_next_id(struct super_block *sb, struct kqid *qid);
 int dquot_mark_dquot_dirty(struct dquot *dquot);

 int dquot_file_open(struct inode *inode, struct file *file);

 int dquot_enable(struct inode *inode, int type, int format_id,
 	unsigned int flags);
 int dquot_quota_on(struct super_block *sb, int type, int format_id,
 	const struct path *path);
 int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
 int dquot_quota_off(struct super_block *sb, int type);
 int dquot_writeback_dquots(struct super_block *sb, int type);
 int dquot_quota_sync(struct super_block *sb, int type);
 int dquot_get_state(struct super_block *sb, struct qc_state *state);
 int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii);
 int dquot_get_dqblk(struct super_block *sb, struct kqid id,
 		struct qc_dqblk *di);
 int dquot_get_next_dqblk(struct super_block *sb, struct kqid *id,
 		struct qc_dqblk *di);
 int dquot_set_dqblk(struct super_block *sb, struct kqid id,
 		struct qc_dqblk *di);

 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
 int dquot_transfer(struct inode *inode, struct iattr *iattr);

 static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->info + type;
 }

 /*
  * Functions for checking status of quota
  */

 static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_USAGE_ENABLED, type);
 }

 static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
 }

 static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_SUSPENDED, type);
 }

 static inline unsigned sb_any_quota_suspended(struct super_block *sb)
 {
 	return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_SUSPENDED);
 }

 /* Does kernel know about any quota information for given sb + type? */
 static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
 {
 	/* Currently if anything is on, then quota usage is on as well */
 	return sb_has_quota_usage_enabled(sb, type);
 }

 static inline unsigned sb_any_quota_loaded(struct super_block *sb)
 {
 	return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_USAGE_ENABLED);
 }

 static inline bool sb_has_quota_active(struct super_block *sb, int type)
 {
 	return sb_has_quota_loaded(sb, type) &&
 	       !sb_has_quota_suspended(sb, type);
 }

 /*
  * Operations supported for diskquotas.
  */
 extern const struct dquot_operations dquot_operations;
 extern const struct quotactl_ops dquot_quotactl_sysfile_ops;

 #else

 static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int sb_has_quota_suspended(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int sb_any_quota_suspended(struct super_block *sb)
 {
 	return 0;
 }

 /* Does kernel know about any quota information for given sb + type? */
 static inline int sb_has_quota_loaded(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int sb_any_quota_loaded(struct super_block *sb)
 {
 	return 0;
 }

 static inline int sb_has_quota_active(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int dquot_initialize(struct inode *inode)
 {
 	return 0;
 }

 static inline bool dquot_initialize_needed(struct inode *inode)
 {
 	return false;
 }

 static inline void dquot_drop(struct inode *inode)
 {
 }

 static inline int dquot_alloc_inode(struct inode *inode)
 {
 	return 0;
 }

 static inline void dquot_free_inode(struct inode *inode)
 {
 }

 static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
 	return 0;
 }

 static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
 		int flags)
 {
 	if (!(flags & DQUOT_SPACE_RESERVE))
 		inode_add_bytes(inode, number);
 	return 0;
 }

 static inline void __dquot_free_space(struct inode *inode, qsize_t number,
 		int flags)
 {
 	if (!(flags & DQUOT_SPACE_RESERVE))
 		inode_sub_bytes(inode, number);
 }

 static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	inode_add_bytes(inode, number);
 	return 0;
 }

 static inline int dquot_reclaim_space_nodirty(struct inode *inode,
 					      qsize_t number)
 {
 	inode_sub_bytes(inode, number);
 	return 0;
 }

 static inline int dquot_disable(struct super_block *sb, int type,
 		unsigned int flags)
 {
 	return 0;
 }

 static inline int dquot_suspend(struct super_block *sb, int type)
 {
 	return 0;
 }

 static inline int dquot_resume(struct super_block *sb, int type)
 {
 	return 0;
 }

 #define dquot_file_open		generic_file_open

 static inline int dquot_writeback_dquots(struct super_block *sb, int type)
 {
 	return 0;
 }

 #endif /* CONFIG_QUOTA */

 static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
 	return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
 }

 static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
 {
 	__dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN|DQUOT_SPACE_NOFAIL);
 	mark_inode_dirty_sync(inode);
 }

 static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
 {
 	int ret;

 	ret = dquot_alloc_space_nodirty(inode, nr);
 	if (!ret) {
 		/*
 		 * Mark inode fully dirty. Since we are allocating blocks, inode
 		 * would become fully dirty soon anyway and it reportedly
 		 * reduces lock contention.
 		 */
 		mark_inode_dirty(inode);
 	}
 	return ret;
 }

 static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
 	return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }

 static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
 {
 	dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
 }

 static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 {
 	return dquot_alloc_space(inode, nr << inode->i_blkbits);
 }

 static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
 	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0);
 }

 static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
 {
 	int ret;

 	ret = dquot_prealloc_block_nodirty(inode, nr);
 	if (!ret)
 		mark_inode_dirty_sync(inode);
 	return ret;
 }

 static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 {
 	return __dquot_alloc_space(inode, nr << inode->i_blkbits,
 				DQUOT_SPACE_WARN|DQUOT_SPACE_RESERVE);
 }

 static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
 {
 	int ret;

 	ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
 	if (!ret)
 		mark_inode_dirty_sync(inode);
 	return ret;
 }

 static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr)
 {
 	dquot_reclaim_space_nodirty(inode, nr << inode->i_blkbits);
 	mark_inode_dirty_sync(inode);
 }

 static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
 	__dquot_free_space(inode, nr, 0);
 }

 static inline void dquot_free_space(struct inode *inode, qsize_t nr)
 {
 	dquot_free_space_nodirty(inode, nr);
 	mark_inode_dirty_sync(inode);
 }

 static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr)
 {
 	dquot_free_space_nodirty(inode, nr << inode->i_blkbits);
 }

 static inline void dquot_free_block(struct inode *inode, qsize_t nr)
 {
 	dquot_free_space(inode, nr << inode->i_blkbits);
 }

 static inline void dquot_release_reservation_block(struct inode *inode,
 		qsize_t nr)
 {
 	__dquot_free_space(inode, nr << inode->i_blkbits, DQUOT_SPACE_RESERVE);
 }

 unsigned int qtype_enforce_flag(int type);

 #endif /* _LINUX_QUOTAOPS_ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/*
	* Definitions for diskquota-operations. When diskquota is configured these
	* macros expand to the right source-code.
	*
	* Author: Marco van Wieringen <mvw@planets.elm.net>
	*/
	#ifndef _LINUX_QUOTAOPS_
	#define _LINUX_QUOTAOPS_

	#include <linux/fs.h>

	#define DQUOT_SPACE_WARN 0x1
	#define DQUOT_SPACE_RESERVE 0x2
	#define DQUOT_SPACE_NOFAIL 0x4

	static inline struct quota_info sb_dqopt(struct super_block sb)
	{
	return &sb->s_dquot;
	}

	/* i_mutex must being held */
	static inline bool is_quota_modification(struct inode inode, struct iattr ia)
	{
	return (ia->ia_valid & ATTR_SIZE) \|\|
	(ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) \|\|
	(ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid));
	}

	#if defined(CONFIG_QUOTA)

	#define quota_error(sb, fmt, args...) \
	__quota_error((sb), __func__, fmt , ## args)

	extern __printf(3, 4)
	void __quota_error(struct super_block sb, const char func,
	const char *fmt, ...);

	/*
	* declaration of quota_function calls in kernel.
	*/
	int dquot_initialize(struct inode *inode);
	bool dquot_initialize_needed(struct inode *inode);
	void dquot_drop(struct inode *inode);
	struct dquot dqget(struct super_block sb, struct kqid qid);
	static inline struct dquot dqgrab(struct dquot dquot)
	{
	/* Make sure someone else has active reference to dquot */
	WARN_ON_ONCE(!atomic_read(&dquot->dq_count));
	WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags));
	atomic_inc(&dquot->dq_count);
	return dquot;
	}

	static inline bool dquot_is_busy(struct dquot *dquot)
	{
	if (test_bit(DQ_MOD_B, &dquot->dq_flags))
	return true;
	if (atomic_read(&dquot->dq_count) > 1)
	return true;
	return false;
	}

	void dqput(struct dquot *dquot);
	int dquot_scan_active(struct super_block *sb,
	int (fn)(struct dquot dquot, unsigned long priv),
	unsigned long priv);
	struct dquot dquot_alloc(struct super_block sb, int type);
	void dquot_destroy(struct dquot *dquot);

	int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags);
	void __dquot_free_space(struct inode *inode, qsize_t number, int flags);

	int dquot_alloc_inode(struct inode *inode);

	int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
	void dquot_free_inode(struct inode *inode);
	void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number);

	int dquot_disable(struct super_block *sb, int type, unsigned int flags);
	/* Suspend quotas on remount RO */
	static inline int dquot_suspend(struct super_block *sb, int type)
	{
	return dquot_disable(sb, type, DQUOT_SUSPENDED);
	}
	int dquot_resume(struct super_block *sb, int type);

	int dquot_commit(struct dquot *dquot);
	int dquot_acquire(struct dquot *dquot);
	int dquot_release(struct dquot *dquot);
	int dquot_commit_info(struct super_block *sb, int type);
	int dquot_get_next_id(struct super_block sb, struct kqid qid);
	int dquot_mark_dquot_dirty(struct dquot *dquot);

	int dquot_file_open(struct inode inode, struct file file);

	int dquot_enable(struct inode *inode, int type, int format_id,
	unsigned int flags);
	int dquot_quota_on(struct super_block *sb, int type, int format_id,
	const struct path *path);
	int dquot_quota_on_mount(struct super_block sb, char qf_name,
	int format_id, int type);
	int dquot_quota_off(struct super_block *sb, int type);
	int dquot_writeback_dquots(struct super_block *sb, int type);
	int dquot_quota_sync(struct super_block *sb, int type);
	int dquot_get_state(struct super_block sb, struct qc_state state);
	int dquot_set_dqinfo(struct super_block sb, int type, struct qc_info ii);
	int dquot_get_dqblk(struct super_block *sb, struct kqid id,
	struct qc_dqblk *di);
	int dquot_get_next_dqblk(struct super_block sb, struct kqid id,
	struct qc_dqblk *di);
	int dquot_set_dqblk(struct super_block *sb, struct kqid id,
	struct qc_dqblk *di);

	int __dquot_transfer(struct inode inode, struct dquot *transfer_to);
	int dquot_transfer(struct inode inode, struct iattr iattr);

	static inline struct mem_dqinfo sb_dqinfo(struct super_block sb, int type)
	{
	return sb_dqopt(sb)->info + type;
	}

	/*
	* Functions for checking status of quota
	*/

	static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type)
	{
	return sb_dqopt(sb)->flags &
	dquot_state_flag(DQUOT_USAGE_ENABLED, type);
	}

	static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type)
	{
	return sb_dqopt(sb)->flags &
	dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
	}

	static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
	{
	return sb_dqopt(sb)->flags &
	dquot_state_flag(DQUOT_SUSPENDED, type);
	}

	static inline unsigned sb_any_quota_suspended(struct super_block *sb)
	{
	return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_SUSPENDED);
	}

	/* Does kernel know about any quota information for given sb + type? */
	static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
	{
	/* Currently if anything is on, then quota usage is on as well */
	return sb_has_quota_usage_enabled(sb, type);
	}

	static inline unsigned sb_any_quota_loaded(struct super_block *sb)
	{
	return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_USAGE_ENABLED);
	}

	static inline bool sb_has_quota_active(struct super_block *sb, int type)
	{
	return sb_has_quota_loaded(sb, type) &&
	!sb_has_quota_suspended(sb, type);
	}

	/*
	* Operations supported for diskquotas.
	*/
	extern const struct dquot_operations dquot_operations;
	extern const struct quotactl_ops dquot_quotactl_sysfile_ops;

	#else

	static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int sb_has_quota_suspended(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int sb_any_quota_suspended(struct super_block *sb)
	{
	return 0;
	}

	/* Does kernel know about any quota information for given sb + type? */
	static inline int sb_has_quota_loaded(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int sb_any_quota_loaded(struct super_block *sb)
	{
	return 0;
	}

	static inline int sb_has_quota_active(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int dquot_initialize(struct inode *inode)
	{
	return 0;
	}

	static inline bool dquot_initialize_needed(struct inode *inode)
	{
	return false;
	}

	static inline void dquot_drop(struct inode *inode)
	{
	}

	static inline int dquot_alloc_inode(struct inode *inode)
	{
	return 0;
	}

	static inline void dquot_free_inode(struct inode *inode)
	{
	}

	static inline int dquot_transfer(struct inode inode, struct iattr iattr)
	{
	return 0;
	}

	static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
	int flags)
	{
	if (!(flags & DQUOT_SPACE_RESERVE))
	inode_add_bytes(inode, number);
	return 0;
	}

	static inline void __dquot_free_space(struct inode *inode, qsize_t number,
	int flags)
	{
	if (!(flags & DQUOT_SPACE_RESERVE))
	inode_sub_bytes(inode, number);
	}

	static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
	{
	inode_add_bytes(inode, number);
	return 0;
	}

	static inline int dquot_reclaim_space_nodirty(struct inode *inode,
	qsize_t number)
	{
	inode_sub_bytes(inode, number);
	return 0;
	}

	static inline int dquot_disable(struct super_block *sb, int type,
	unsigned int flags)
	{
	return 0;
	}

	static inline int dquot_suspend(struct super_block *sb, int type)
	{
	return 0;
	}

	static inline int dquot_resume(struct super_block *sb, int type)
	{
	return 0;
	}

	#define dquot_file_open generic_file_open

	static inline int dquot_writeback_dquots(struct super_block *sb, int type)
	{
	return 0;
	}

	#endif /* CONFIG_QUOTA */

	static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
	{
	return __dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN);
	}

	static inline void dquot_alloc_space_nofail(struct inode *inode, qsize_t nr)
	{
	__dquot_alloc_space(inode, nr, DQUOT_SPACE_WARN\|DQUOT_SPACE_NOFAIL);
	mark_inode_dirty_sync(inode);
	}

	static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
	{
	int ret;

	ret = dquot_alloc_space_nodirty(inode, nr);
	if (!ret) {
	/*
	* Mark inode fully dirty. Since we are allocating blocks, inode
	* would become fully dirty soon anyway and it reportedly
	* reduces lock contention.
	*/
	mark_inode_dirty(inode);
	}
	return ret;
	}

	static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
	{
	return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
	}

	static inline void dquot_alloc_block_nofail(struct inode *inode, qsize_t nr)
	{
	dquot_alloc_space_nofail(inode, nr << inode->i_blkbits);
	}

	static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
	{
	return dquot_alloc_space(inode, nr << inode->i_blkbits);
	}

	static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
	{
	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0);
	}

	static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
	{
	int ret;

	ret = dquot_prealloc_block_nodirty(inode, nr);
	if (!ret)
	mark_inode_dirty_sync(inode);
	return ret;
	}

	static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
	{
	return __dquot_alloc_space(inode, nr << inode->i_blkbits,
	DQUOT_SPACE_WARN\|DQUOT_SPACE_RESERVE);
	}

	static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
	{
	int ret;

	ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
	if (!ret)
	mark_inode_dirty_sync(inode);
	return ret;
	}

	static inline void dquot_reclaim_block(struct inode *inode, qsize_t nr)
	{
	dquot_reclaim_space_nodirty(inode, nr << inode->i_blkbits);
	mark_inode_dirty_sync(inode);
	}

	static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr)
	{
	__dquot_free_space(inode, nr, 0);
	}

	static inline void dquot_free_space(struct inode *inode, qsize_t nr)
	{
	dquot_free_space_nodirty(inode, nr);
	mark_inode_dirty_sync(inode);
	}

	static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr)
	{
	dquot_free_space_nodirty(inode, nr << inode->i_blkbits);
	}

	static inline void dquot_free_block(struct inode *inode, qsize_t nr)
	{
	dquot_free_space(inode, nr << inode->i_blkbits);
	}

	static inline void dquot_release_reservation_block(struct inode *inode,
	qsize_t nr)
	{
	__dquot_free_space(inode, nr << inode->i_blkbits, DQUOT_SPACE_RESERVE);
	}

	unsigned int qtype_enforce_flag(int type);

	#endif /* _LINUX_QUOTAOPS_ */