linux/fs/xfs/xfs_qm_syscalls.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */


#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_shared.h"
#include "xfs_format.h"
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_quota.h"
#include "xfs_qm.h"
#include "xfs_icache.h"

int
xfs_qm_scall_quotaoff(
	xfs_mount_t		*mp,
	uint			flags)
{ … }

STATIC int
xfs_qm_scall_trunc_qfile(
	struct xfs_mount	*mp,
	xfs_ino_t		ino)
{ … }

int
xfs_qm_scall_trunc_qfiles(
	xfs_mount_t	*mp,
	uint		flags)
{ … }

/*
 * Switch on (a given) quota enforcement for a filesystem.  This takes
 * effect immediately.
 * (Switching on quota accounting must be done at mount time.)
 */
int
xfs_qm_scall_quotaon(
	xfs_mount_t	*mp,
	uint		flags)
{ … }

#define XFS_QC_MASK …

/*
 * Adjust limits of this quota, and the defaults if passed in.  Returns true
 * if the new limits made sense and were applied, false otherwise.
 */
static inline bool
xfs_setqlim_limits(
	struct xfs_mount	*mp,
	struct xfs_dquot_res	*res,
	struct xfs_quota_limits	*qlim,
	xfs_qcnt_t		hard,
	xfs_qcnt_t		soft,
	const char		*tag)
{ … }

static inline void
xfs_setqlim_timer(
	struct xfs_mount	*mp,
	struct xfs_dquot_res	*res,
	struct xfs_quota_limits	*qlim,
	s64			timer)
{ … }

/*
 * Adjust quota limits, and start/stop timers accordingly.
 */
int
xfs_qm_scall_setqlim(
	struct xfs_mount	*mp,
	xfs_dqid_t		id,
	xfs_dqtype_t		type,
	struct qc_dqblk		*newlim)
{ … }

/* Fill out the quota context. */
static void
xfs_qm_scall_getquota_fill_qc(
	struct xfs_mount	*mp,
	xfs_dqtype_t		type,
	const struct xfs_dquot	*dqp,
	struct qc_dqblk		*dst)
{ … }

/* Return the quota information for the dquot matching id. */
int
xfs_qm_scall_getquota(
	struct xfs_mount	*mp,
	xfs_dqid_t		id,
	xfs_dqtype_t		type,
	struct qc_dqblk		*dst)
{ … }

/*
 * Return the quota information for the first initialized dquot whose id
 * is at least as high as id.
 */
int
xfs_qm_scall_getquota_next(
	struct xfs_mount	*mp,
	xfs_dqid_t		*id,
	xfs_dqtype_t		type,
	struct qc_dqblk		*dst)
{ … }