LXR linux/fs/xfs/xfs

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
   4 * All Rights Reserved.
   5 */
   6#ifndef __XFS_SUPER_H__
   7#define __XFS_SUPER_H__
   8
   9#include <linux/exportfs.h>
  10
  11#ifdef CONFIG_XFS_QUOTA
  12extern int xfs_qm_init(void);
  13extern void xfs_qm_exit(void);
  14#else
  15# define xfs_qm_init()  (0)
  16# define xfs_qm_exit()  do { } while (0)
  17#endif
  18
  19#ifdef CONFIG_XFS_POSIX_ACL
  20# define XFS_ACL_STRING         "ACLs, "
  21# define set_posix_acl_flag(sb) ((sb)->s_flags |= SB_POSIXACL)
  22#else
  23# define XFS_ACL_STRING
  24# define set_posix_acl_flag(sb) do { } while (0)
  25#endif
  26
  27#define XFS_SECURITY_STRING     "security attributes, "
  28
  29#ifdef CONFIG_XFS_RT
  30# define XFS_REALTIME_STRING    "realtime, "
  31#else
  32# define XFS_REALTIME_STRING
  33#endif
  34
  35#ifdef CONFIG_XFS_ONLINE_SCRUB
  36# define XFS_SCRUB_STRING       "scrub, "
  37#else
  38# define XFS_SCRUB_STRING
  39#endif
  40
  41#ifdef CONFIG_XFS_ONLINE_REPAIR
  42# define XFS_REPAIR_STRING      "repair, "
  43#else
  44# define XFS_REPAIR_STRING
  45#endif
  46
  47#ifdef CONFIG_XFS_WARN
  48# define XFS_WARN_STRING        "verbose warnings, "
  49#else
  50# define XFS_WARN_STRING
  51#endif
  52
  53#ifdef DEBUG
  54# define XFS_DBG_STRING         "debug"
  55#else
  56# define XFS_DBG_STRING         "no debug"
  57#endif
  58
  59#define XFS_VERSION_STRING      "SGI XFS"
  60#define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
  61                                XFS_SECURITY_STRING \
  62                                XFS_REALTIME_STRING \
  63                                XFS_SCRUB_STRING \
  64                                XFS_REPAIR_STRING \
  65                                XFS_WARN_STRING \
  66                                XFS_DBG_STRING /* DBG must be last */
  67
  68struct xfs_inode;
  69struct xfs_mount;
  70struct xfs_buftarg;
  71struct block_device;
  72
  73extern void xfs_quiesce_attr(struct xfs_mount *mp);
  74extern void xfs_flush_inodes(struct xfs_mount *mp);
  75extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
  76extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
  77                                           xfs_agnumber_t agcount);
  78
  79extern const struct export_operations xfs_export_operations;
  80extern const struct xattr_handler *xfs_xattr_handlers[];
  81extern const struct quotactl_ops xfs_quotactl_operations;
  82
  83extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
  84
  85extern struct workqueue_struct *xfs_discard_wq;
  86
  87#define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
  88
  89#endif  /* __XFS_SUPER_H__ */
  90