linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2000-2005 Silicon Graphics, Inc.

 * All Rights Reserved.

 */

#ifndef __XFS_MOUNT_H__

#define __XFS_MOUNT_H__

​

struct xlog;

struct xfs_inode;

struct xfs_mru_cache;

struct xfs_nameops;

struct xfs_ail;

struct xfs_quotainfo;

struct xfs_dir_ops;

struct xfs_da_geometry;

​

/* dynamic preallocation free space thresholds, 5% down to 1% */

enum {

    XFS_LOWSP_1_PCNT = 0,

    XFS_LOWSP_2_PCNT,

    XFS_LOWSP_3_PCNT,

    XFS_LOWSP_4_PCNT,

    XFS_LOWSP_5_PCNT,

    XFS_LOWSP_MAX,

};

​

/*

 * Error Configuration

 *

 * Error classes define the subsystem the configuration belongs to.

 * Error numbers define the errors that are configurable.

 */

enum {

    XFS_ERR_METADATA,

    XFS_ERR_CLASS_MAX,

};

enum {

    XFS_ERR_DEFAULT,

    XFS_ERR_EIO,

    XFS_ERR_ENOSPC,

    XFS_ERR_ENODEV,

    XFS_ERR_ERRNO_MAX,

};

​

#define XFS_ERR_RETRY_FOREVER   -1

​

/*

 * Although retry_timeout is in jiffies which is normally an unsigned long,

 * we limit the retry timeout to 86400 seconds, or one day.  So even a

 * signed 32-bit long is sufficient for a HZ value up to 24855.  Making it

 * signed lets us store the special "-1" value, meaning retry forever.

 */

struct xfs_error_cfg {

    struct xfs_kobj kobj;

    int     max_retries;

    long        retry_timeout;  /* in jiffies, -1 = infinite */

};

​

typedef struct xfs_mount {

    struct super_block  *m_super;

    xfs_tid_t       m_tid;      /* next unused tid for fs */

    struct xfs_ail      *m_ail;     /* fs active log item list */