[deliverable/linux.git] / include / linux / quotaops.h

/*
 * Definitions for diskquota-operations. When diskquota is configured these
 * macros expand to the right source-code.
 *
 * Author:  Marco van Wieringen <mvw@planets.elm.net>
 *
 * Version: $Id: quotaops.h,v 1.2 1998/01/15 16:22:26 ecd Exp $
 *
 */
#ifndef _LINUX_QUOTAOPS_
#define _LINUX_QUOTAOPS_

#include <linux/smp_lock.h>
#include <linux/fs.h>

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

#if defined(CONFIG_QUOTA)

/*
 * declaration of quota_function calls in kernel.
 */
void sync_dquots(struct super_block *sb, int type);

int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);

int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
int dquot_alloc_inode(const struct inode *inode, unsigned long number);

int dquot_free_space(struct inode *inode, qsize_t number);
int dquot_free_inode(const struct inode *inode, unsigned long number);

int dquot_transfer(struct inode *inode, struct iattr *iattr);
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_mark_dquot_dirty(struct dquot *dquot);

int vfs_quota_on(struct super_block *sb, int type, int format_id,
 	char *path, int remount);
int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 	struct path *path);
int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
 	int format_id, int type);
int vfs_quota_off(struct super_block *sb, int type, int remount);
int vfs_quota_sync(struct super_block *sb, int type);
int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);

void vfs_dq_drop(struct inode *inode);
int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
int vfs_dq_quota_on_remount(struct super_block *sb);

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 int sb_has_quota_enabled(struct super_block *sb, int type)
{
	if (type == USRQUOTA)
		return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED;
	return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED;
}

static inline int sb_any_quota_enabled(struct super_block *sb)
{
	return sb_has_quota_enabled(sb, USRQUOTA) ||
		sb_has_quota_enabled(sb, GRPQUOTA);
}

static inline int sb_has_quota_suspended(struct super_block *sb, int type)
{
	if (type == USRQUOTA)
		return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
	return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
}

static inline int sb_any_quota_suspended(struct super_block *sb)
{
	return sb_has_quota_suspended(sb, USRQUOTA) ||
		sb_has_quota_suspended(sb, GRPQUOTA);
}

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

#define sb_dquot_ops (&dquot_operations)
#define sb_quotactl_ops (&vfs_quotactl_ops)

/* It is better to call this function outside of any transaction as it might
 * need a lot of space in journal for dquot structure allocation. */
static inline void vfs_dq_init(struct inode *inode)
{
	BUG_ON(!inode->i_sb);
	if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
		inode->i_sb->dq_op->initialize(inode, -1);
}

/* The following allocation/freeing/transfer functions *must* be called inside
 * a transaction (deadlocks possible otherwise) */
static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
{
	if (sb_any_quota_enabled(inode->i_sb)) {
		/* Used space is updated in alloc_space() */
		if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
			return 1;
	}
	else
		inode_add_bytes(inode, nr);
	return 0;
}

static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
{
	int ret;
        if (!(ret =  vfs_dq_prealloc_space_nodirty(inode, nr)))
		mark_inode_dirty(inode);
	return ret;
}

static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
{
	if (sb_any_quota_enabled(inode->i_sb)) {
		/* Used space is updated in alloc_space() */
		if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
			return 1;
	}
	else
		inode_add_bytes(inode, nr);
	return 0;
}

static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
{
	int ret;
	if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
		mark_inode_dirty(inode);
	return ret;
}

static inline int vfs_dq_alloc_inode(struct inode *inode)
{
	if (sb_any_quota_enabled(inode->i_sb)) {
		vfs_dq_init(inode);
		if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
			return 1;
	}
	return 0;
}

static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
{
	if (sb_any_quota_enabled(inode->i_sb))
		inode->i_sb->dq_op->free_space(inode, nr);
	else
		inode_sub_bytes(inode, nr);
}

static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
{
	vfs_dq_free_space_nodirty(inode, nr);
	mark_inode_dirty(inode);
}

static inline void vfs_dq_free_inode(struct inode *inode)
{
	if (sb_any_quota_enabled(inode->i_sb))
		inode->i_sb->dq_op->free_inode(inode, 1);
}

/* The following two functions cannot be called inside a transaction */
static inline void vfs_dq_sync(struct super_block *sb)
{
	sync_dquots(sb, -1);
}

static inline int vfs_dq_off(struct super_block *sb, int remount)
{
	int ret = -ENOSYS;

	if (sb->s_qcop && sb->s_qcop->quota_off)
		ret = sb->s_qcop->quota_off(sb, -1, remount);
	return ret;
}

#else

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

static inline int sb_any_quota_enabled(struct super_block *sb)
{
	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;
}

/*
 * NO-OP when quota not configured.
 */
#define sb_dquot_ops				(NULL)
#define sb_quotactl_ops				(NULL)

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

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

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

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

static inline void vfs_dq_sync(struct super_block *sb)
{
}

static inline int vfs_dq_off(struct super_block *sb, int remount)
{
	return 0;
}

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

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

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

static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
{
	vfs_dq_prealloc_space_nodirty(inode, nr);
	mark_inode_dirty(inode);
	return 0;
}

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

static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
{
	vfs_dq_alloc_space_nodirty(inode, nr);
	mark_inode_dirty(inode);
	return 0;
}

static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
{
	inode_sub_bytes(inode, nr);
}

static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
{
	vfs_dq_free_space_nodirty(inode, nr);
	mark_inode_dirty(inode);
}	

#endif /* CONFIG_QUOTA */

static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
{
	return vfs_dq_prealloc_space_nodirty(inode,
			nr << inode->i_sb->s_blocksize_bits);
}

static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
{
	return vfs_dq_prealloc_space(inode,
			nr << inode->i_sb->s_blocksize_bits);
}

static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
{
 	return vfs_dq_alloc_space_nodirty(inode,
			nr << inode->i_sb->s_blocksize_bits);
}

static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
{
	return vfs_dq_alloc_space(inode,
			nr << inode->i_sb->s_blocksize_bits);
}

static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
{
	vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);
}

static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
{
	vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);
}

/*
 * Define uppercase equivalents for compatibility with old function names
 * Can go away when we think all users have been converted (15/04/2008)
 */
#define DQUOT_INIT(inode) vfs_dq_init(inode)
#define DQUOT_DROP(inode) vfs_dq_drop(inode)
#define DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr) \
				vfs_dq_prealloc_space_nodirty(inode, nr)
#define DQUOT_PREALLOC_SPACE(inode, nr) vfs_dq_prealloc_space(inode, nr)
#define DQUOT_ALLOC_SPACE_NODIRTY(inode, nr) \
				vfs_dq_alloc_space_nodirty(inode, nr)
#define DQUOT_ALLOC_SPACE(inode, nr) vfs_dq_alloc_space(inode, nr)
#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) \
				vfs_dq_prealloc_block_nodirty(inode, nr)
#define DQUOT_PREALLOC_BLOCK(inode, nr) vfs_dq_prealloc_block(inode, nr)
#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) \
				vfs_dq_alloc_block_nodirty(inode, nr)
#define DQUOT_ALLOC_BLOCK(inode, nr) vfs_dq_alloc_block(inode, nr)
#define DQUOT_ALLOC_INODE(inode) vfs_dq_alloc_inode(inode)
#define DQUOT_FREE_SPACE_NODIRTY(inode, nr) \
				vfs_dq_free_space_nodirty(inode, nr)
#define DQUOT_FREE_SPACE(inode, nr) vfs_dq_free_space(inode, nr)
#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) \
				vfs_dq_free_block_nodirty(inode, nr)
#define DQUOT_FREE_BLOCK(inode, nr) vfs_dq_free_block(inode, nr)
#define DQUOT_FREE_INODE(inode) vfs_dq_free_inode(inode)
#define DQUOT_TRANSFER(inode, iattr) vfs_dq_transfer(inode, iattr)
#define DQUOT_SYNC(sb) vfs_dq_sync(sb)
#define DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
#define DQUOT_ON_REMOUNT(sb) vfs_dq_quota_on_remount(sb)

#endif /* _LINUX_QUOTAOPS_ */
Commit	Line	Data
1da177e4 LT	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>
	6	*
	7	* Version: $Id: quotaops.h,v 1.2 1998/01/15 16:22:26 ecd Exp $
	8	*
	9	*/
	10	#ifndef _LINUX_QUOTAOPS_
	11	#define _LINUX_QUOTAOPS_
	12
1da177e4	13	#include <linux/smp_lock.h>
1da177e4 LT	14	#include <linux/fs.h>
1da177e4 LT	15
03b06343 JK	16	static inline struct quota_info sb_dqopt(struct super_block sb)
	17	{
	18	return &sb->s_dquot;
	19	}
74abb989	20
1da177e4 LT	21	#if defined(CONFIG_QUOTA)
	22
	23	/*
	24	* declaration of quota_function calls in kernel.
	25	*/
b85f4b87 JK	26	void sync_dquots(struct super_block *sb, int type);
	27
	28	int dquot_initialize(struct inode *inode, int type);
	29	int dquot_drop(struct inode *inode);
	30
	31	int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
	32	int dquot_alloc_inode(const struct inode *inode, unsigned long number);
	33
	34	int dquot_free_space(struct inode *inode, qsize_t number);
	35	int dquot_free_inode(const struct inode *inode, unsigned long number);
	36
	37	int dquot_transfer(struct inode inode, struct iattr iattr);
	38	int dquot_commit(struct dquot *dquot);
	39	int dquot_acquire(struct dquot *dquot);
	40	int dquot_release(struct dquot *dquot);
	41	int dquot_commit_info(struct super_block *sb, int type);
	42	int dquot_mark_dquot_dirty(struct dquot *dquot);
	43
	44	int vfs_quota_on(struct super_block *sb, int type, int format_id,
	45	char *path, int remount);
77e69dac AV	46	int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
77e69dac AV	47	struct path *path);
b85f4b87 JK	48	int vfs_quota_on_mount(struct super_block sb, char qf_name,
	49	int format_id, int type);
	50	int vfs_quota_off(struct super_block *sb, int type, int remount);
	51	int vfs_quota_sync(struct super_block *sb, int type);
	52	int vfs_get_dqinfo(struct super_block sb, int type, struct if_dqinfo ii);
	53	int vfs_set_dqinfo(struct super_block sb, int type, struct if_dqinfo ii);
	54	int vfs_get_dqblk(struct super_block sb, int type, qid_t id, struct if_dqblk di);
	55	int vfs_set_dqblk(struct super_block sb, int type, qid_t id, struct if_dqblk di);
	56
	57	void vfs_dq_drop(struct inode *inode);
	58	int vfs_dq_transfer(struct inode inode, struct iattr iattr);
	59	int vfs_dq_quota_on_remount(struct super_block *sb);
1da177e4	60
03b06343 JK	61	static inline struct mem_dqinfo sb_dqinfo(struct super_block sb, int type)
	62	{
	63	return sb_dqopt(sb)->info + type;
	64	}
74abb989 JK	65
	66	/*
	67	* Functions for checking status of quota
	68	*/
	69
03b06343 JK	70	static inline int sb_has_quota_enabled(struct super_block *sb, int type)
	71	{
	72	if (type == USRQUOTA)
	73	return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED;
	74	return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED;
	75	}
74abb989	76
03b06343 JK	77	static inline int sb_any_quota_enabled(struct super_block *sb)
	78	{
	79	return sb_has_quota_enabled(sb, USRQUOTA) \|\|
	80	sb_has_quota_enabled(sb, GRPQUOTA);
	81	}
74abb989	82
03b06343 JK	83	static inline int sb_has_quota_suspended(struct super_block *sb, int type)
	84	{
	85	if (type == USRQUOTA)
	86	return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED;
	87	return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED;
	88	}
74abb989	89
03b06343 JK	90	static inline int sb_any_quota_suspended(struct super_block *sb)
	91	{
	92	return sb_has_quota_suspended(sb, USRQUOTA) \|\|
	93	sb_has_quota_suspended(sb, GRPQUOTA);
	94	}
74abb989	95
1da177e4 LT	96	/*
	97	* Operations supported for diskquotas.
	98	*/
	99	extern struct dquot_operations dquot_operations;
	100	extern struct quotactl_ops vfs_quotactl_ops;
	101
	102	#define sb_dquot_ops (&dquot_operations)
	103	#define sb_quotactl_ops (&vfs_quotactl_ops)
	104
	105	/* It is better to call this function outside of any transaction as it might
	106	* need a lot of space in journal for dquot structure allocation. */
b85f4b87	107	static inline void vfs_dq_init(struct inode *inode)
1da177e4 LT	108	{
	109	BUG_ON(!inode->i_sb);
	110	if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode))
	111	inode->i_sb->dq_op->initialize(inode, -1);
	112	}
	113
1da177e4 LT	114	/* The following allocation/freeing/transfer functions must be called inside
1da177e4 LT	115	* a transaction (deadlocks possible otherwise) */
b85f4b87	116	static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	117	{
	118	if (sb_any_quota_enabled(inode->i_sb)) {
	119	/* Used space is updated in alloc_space() */
	120	if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
	121	return 1;
	122	}
	123	else
	124	inode_add_bytes(inode, nr);
	125	return 0;
	126	}
	127
b85f4b87	128	static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
1da177e4 LT	129	{
1da177e4 LT	130	int ret;
b85f4b87	131	if (!(ret = vfs_dq_prealloc_space_nodirty(inode, nr)))
1da177e4 LT	132	mark_inode_dirty(inode);
	133	return ret;
	134	}
	135
b85f4b87	136	static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	137	{
	138	if (sb_any_quota_enabled(inode->i_sb)) {
	139	/* Used space is updated in alloc_space() */
	140	if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
	141	return 1;
	142	}
	143	else
	144	inode_add_bytes(inode, nr);
	145	return 0;
	146	}
	147
b85f4b87	148	static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
1da177e4 LT	149	{
1da177e4 LT	150	int ret;
b85f4b87	151	if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
1da177e4 LT	152	mark_inode_dirty(inode);
	153	return ret;
	154	}
	155
b85f4b87	156	static inline int vfs_dq_alloc_inode(struct inode *inode)
1da177e4 LT	157	{
1da177e4 LT	158	if (sb_any_quota_enabled(inode->i_sb)) {
b85f4b87	159	vfs_dq_init(inode);
1da177e4 LT	160	if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
	161	return 1;
	162	}
	163	return 0;
	164	}
	165
b85f4b87	166	static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	167	{
	168	if (sb_any_quota_enabled(inode->i_sb))
	169	inode->i_sb->dq_op->free_space(inode, nr);
	170	else
	171	inode_sub_bytes(inode, nr);
	172	}
	173
b85f4b87	174	static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
1da177e4	175	{
b85f4b87	176	vfs_dq_free_space_nodirty(inode, nr);
1da177e4 LT	177	mark_inode_dirty(inode);
	178	}
	179
b85f4b87	180	static inline void vfs_dq_free_inode(struct inode *inode)
1da177e4 LT	181	{
	182	if (sb_any_quota_enabled(inode->i_sb))
	183	inode->i_sb->dq_op->free_inode(inode, 1);
	184	}
	185
1da177e4	186	/* The following two functions cannot be called inside a transaction */
b85f4b87	187	static inline void vfs_dq_sync(struct super_block *sb)
03f6e92b JK	188	{
	189	sync_dquots(sb, -1);
	190	}
1da177e4	191
b85f4b87	192	static inline int vfs_dq_off(struct super_block *sb, int remount)
1da177e4 LT	193	{
	194	int ret = -ENOSYS;
	195
0ff5af83 JK	196	if (sb->s_qcop && sb->s_qcop->quota_off)
	197	ret = sb->s_qcop->quota_off(sb, -1, remount);
	198	return ret;
	199	}
	200
1da177e4 LT	201	#else
1da177e4 LT	202
03b06343 JK	203	static inline int sb_has_quota_enabled(struct super_block *sb, int type)
	204	{
	205	return 0;
	206	}
	207
	208	static inline int sb_any_quota_enabled(struct super_block *sb)
	209	{
	210	return 0;
	211	}
	212
	213	static inline int sb_has_quota_suspended(struct super_block *sb, int type)
	214	{
	215	return 0;
	216	}
	217
	218	static inline int sb_any_quota_suspended(struct super_block *sb)
	219	{
	220	return 0;
	221	}
74abb989	222
1da177e4 LT	223	/*
	224	* NO-OP when quota not configured.
	225	*/
	226	#define sb_dquot_ops (NULL)
	227	#define sb_quotactl_ops (NULL)
50f8c370	228
b85f4b87	229	static inline void vfs_dq_init(struct inode *inode)
50f8c370 AM	230	{
	231	}
	232
b85f4b87	233	static inline void vfs_dq_drop(struct inode *inode)
50f8c370 AM	234	{
	235	}
	236
b85f4b87	237	static inline int vfs_dq_alloc_inode(struct inode *inode)
50f8c370 AM	238	{
	239	return 0;
	240	}
	241
b85f4b87	242	static inline void vfs_dq_free_inode(struct inode *inode)
50f8c370 AM	243	{
	244	}
	245
b85f4b87	246	static inline void vfs_dq_sync(struct super_block *sb)
50f8c370 AM	247	{
	248	}
	249
b85f4b87	250	static inline int vfs_dq_off(struct super_block *sb, int remount)
50f8c370 AM	251	{
	252	return 0;
	253	}
	254
b85f4b87	255	static inline int vfs_dq_quota_on_remount(struct super_block *sb)
50f8c370 AM	256	{
	257	return 0;
	258	}
	259
b85f4b87	260	static inline int vfs_dq_transfer(struct inode inode, struct iattr iattr)
50f8c370 AM	261	{
	262	return 0;
	263	}
	264
b85f4b87	265	static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	266	{
	267	inode_add_bytes(inode, nr);
	268	return 0;
	269	}
	270
b85f4b87	271	static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
1da177e4	272	{
b85f4b87	273	vfs_dq_prealloc_space_nodirty(inode, nr);
1da177e4 LT	274	mark_inode_dirty(inode);
	275	return 0;
	276	}
	277
b85f4b87	278	static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	279	{
	280	inode_add_bytes(inode, nr);
	281	return 0;
	282	}
	283
b85f4b87	284	static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
1da177e4	285	{
b85f4b87	286	vfs_dq_alloc_space_nodirty(inode, nr);
1da177e4 LT	287	mark_inode_dirty(inode);
	288	return 0;
	289	}
	290
b85f4b87	291	static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
1da177e4 LT	292	{
	293	inode_sub_bytes(inode, nr);
	294	}
	295
b85f4b87	296	static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
1da177e4	297	{
b85f4b87	298	vfs_dq_free_space_nodirty(inode, nr);
1da177e4 LT	299	mark_inode_dirty(inode);
	300	}
	301
	302	#endif /* CONFIG_QUOTA */
	303
b85f4b87	304	static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
03f6e92b	305	{
b85f4b87	306	return vfs_dq_prealloc_space_nodirty(inode,
03f6e92b JK	307	nr << inode->i_sb->s_blocksize_bits);
	308	}
	309
b85f4b87	310	static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
03f6e92b	311	{
b85f4b87	312	return vfs_dq_prealloc_space(inode,
03f6e92b JK	313	nr << inode->i_sb->s_blocksize_bits);
	314	}
	315
b85f4b87	316	static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
03f6e92b	317	{
b85f4b87	318	return vfs_dq_alloc_space_nodirty(inode,
03f6e92b JK	319	nr << inode->i_sb->s_blocksize_bits);
	320	}
	321
b85f4b87	322	static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
03f6e92b	323	{
b85f4b87	324	return vfs_dq_alloc_space(inode,
03f6e92b JK	325	nr << inode->i_sb->s_blocksize_bits);
	326	}
	327
b85f4b87	328	static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
03f6e92b	329	{
b85f4b87	330	vfs_dq_free_space_nodirty(inode, nr << inode->i_sb->s_blocksize_bits);
03f6e92b JK	331	}
03f6e92b JK	332
b85f4b87	333	static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
03f6e92b	334	{
b85f4b87	335	vfs_dq_free_space(inode, nr << inode->i_sb->s_blocksize_bits);
03f6e92b	336	}
1da177e4	337
b85f4b87 JK	338	/*
	339	* Define uppercase equivalents for compatibility with old function names
	340	* Can go away when we think all users have been converted (15/04/2008)
	341	*/
	342	#define DQUOT_INIT(inode) vfs_dq_init(inode)
	343	#define DQUOT_DROP(inode) vfs_dq_drop(inode)
	344	#define DQUOT_PREALLOC_SPACE_NODIRTY(inode, nr) \
	345	vfs_dq_prealloc_space_nodirty(inode, nr)
	346	#define DQUOT_PREALLOC_SPACE(inode, nr) vfs_dq_prealloc_space(inode, nr)
	347	#define DQUOT_ALLOC_SPACE_NODIRTY(inode, nr) \
	348	vfs_dq_alloc_space_nodirty(inode, nr)
	349	#define DQUOT_ALLOC_SPACE(inode, nr) vfs_dq_alloc_space(inode, nr)
	350	#define DQUOT_PREALLOC_BLOCK_NODIRTY(inode, nr) \
	351	vfs_dq_prealloc_block_nodirty(inode, nr)
	352	#define DQUOT_PREALLOC_BLOCK(inode, nr) vfs_dq_prealloc_block(inode, nr)
	353	#define DQUOT_ALLOC_BLOCK_NODIRTY(inode, nr) \
	354	vfs_dq_alloc_block_nodirty(inode, nr)
	355	#define DQUOT_ALLOC_BLOCK(inode, nr) vfs_dq_alloc_block(inode, nr)
	356	#define DQUOT_ALLOC_INODE(inode) vfs_dq_alloc_inode(inode)
	357	#define DQUOT_FREE_SPACE_NODIRTY(inode, nr) \
	358	vfs_dq_free_space_nodirty(inode, nr)
	359	#define DQUOT_FREE_SPACE(inode, nr) vfs_dq_free_space(inode, nr)
	360	#define DQUOT_FREE_BLOCK_NODIRTY(inode, nr) \
	361	vfs_dq_free_block_nodirty(inode, nr)
	362	#define DQUOT_FREE_BLOCK(inode, nr) vfs_dq_free_block(inode, nr)
	363	#define DQUOT_FREE_INODE(inode) vfs_dq_free_inode(inode)
	364	#define DQUOT_TRANSFER(inode, iattr) vfs_dq_transfer(inode, iattr)
	365	#define DQUOT_SYNC(sb) vfs_dq_sync(sb)
	366	#define DQUOT_OFF(sb, remount) vfs_dq_off(sb, remount)
	367	#define DQUOT_ON_REMOUNT(sb) vfs_dq_quota_on_remount(sb)
	368
1da177e4	369	#endif /* _LINUX_QUOTAOPS_ */