fs/xfs/xfs_super.h

   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
  12 extern int xfs_qm_init(void);
  13 extern 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 DEBUG
  42 # define XFS_DBG_STRING         "debug"
  43 #else
  44 # define XFS_DBG_STRING         "no debug"
  45 #endif
  46
  47 #define XFS_VERSION_STRING      "SGI XFS"
  48 #define XFS_BUILD_OPTIONS       XFS_ACL_STRING \
  49                                 XFS_SECURITY_STRING \
  50                                 XFS_REALTIME_STRING \
  51                                 XFS_SCRUB_STRING \
  52                                 XFS_DBG_STRING /* DBG must be last */
  53
  54 struct xfs_inode;
  55 struct xfs_mount;
  56 struct xfs_buftarg;
  57 struct block_device;
  58
  59 extern void xfs_quiesce_attr(struct xfs_mount *mp);
  60 extern void xfs_flush_inodes(struct xfs_mount *mp);
  61 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
  62 extern xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *,
  63                                            xfs_agnumber_t agcount);
  64
  65 extern const struct export_operations xfs_export_operations;
  66 extern const struct xattr_handler *xfs_xattr_handlers[];
  67 extern const struct quotactl_ops xfs_quotactl_operations;
  68
  69 extern void xfs_reinit_percpu_counters(struct xfs_mount *mp);
  70
  71 extern struct workqueue_struct *xfs_discard_wq;
  72
  73 #define XFS_M(sb)               ((struct xfs_mount *)((sb)->s_fs_info))
  74
  75 #endif  /* __XFS_SUPER_H__ */