linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2000-2003 Silicon Graphics, Inc.

 * All Rights Reserved.

 */

#include "xfs.h"

#include "xfs_fs.h"

#include "xfs_format.h"

#include "xfs_log_format.h"

#include "xfs_shared.h"

#include "xfs_trans_resv.h"

#include "xfs_bit.h"

#include "xfs_mount.h"

#include "xfs_defer.h"

#include "xfs_inode.h"

#include "xfs_bmap.h"

#include "xfs_bmap_util.h"

#include "xfs_alloc.h"

#include "xfs_quota.h"

#include "xfs_error.h"

#include "xfs_trans.h"

#include "xfs_buf_item.h"

#include "xfs_trans_space.h"

#include "xfs_trans_priv.h"

#include "xfs_qm.h"

#include "xfs_cksum.h"

#include "xfs_trace.h"

#include "xfs_log.h"

#include "xfs_bmap_btree.h"

​

/*

 * Lock order:

 *

 * ip->i_lock

 *   qi->qi_tree_lock

 *     dquot->q_qlock (xfs_dqlock() and friends)

 *       dquot->q_flush (xfs_dqflock() and friends)

 *       qi->qi_lru_lock

 *

 * If two dquots need to be locked the order is user before group/project,

 * otherwise by the lowest id first, see xfs_dqlock2.

 */

​

struct kmem_zone        *xfs_qm_dqtrxzone;

static struct kmem_zone     *xfs_qm_dqzone;

​

static struct lock_class_key xfs_dquot_group_class;

static struct lock_class_key xfs_dquot_project_class;

​

/*

 * This is called to free all the memory associated with a dquot

 */

void

xfs_qm_dqdestroy(

    xfs_dquot_t *dqp)

{

    ASSERT(list_empty(&dqp->q_lru));

​

    kmem_free(dqp->q_logitem.qli_item.li_lv_shadow);

    mutex_destroy(&dqp->q_qlock);

​

    XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot);

    kmem_zone_free(xfs_qm_dqzone, dqp);