LXR linux/fs/gfs2/super.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   4 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
   5 */
   6
   7#ifndef __SUPER_DOT_H__
   8#define __SUPER_DOT_H__
   9
  10#include <linux/fs.h>
  11#include <linux/dcache.h>
  12#include "incore.h"
  13
  14extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
  15
  16static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
  17{
  18        unsigned int x;
  19        spin_lock(&sdp->sd_jindex_spin);
  20        x = sdp->sd_journals;
  21        spin_unlock(&sdp->sd_jindex_spin);
  22        return x;
  23}
  24
  25extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
  26
  27extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
  28extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
  29extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
  30                                     struct gfs2_inode **ipp);
  31
  32extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
  33extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
  34extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
  35extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
  36extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
  37                               s64 dinodes);
  38extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
  39                                  const void *buf);
  40extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
  41                                   void *buf);
  42extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
  43                          struct buffer_head *l_bh);
  44extern int gfs2_statfs_sync(struct super_block *sb, int type);
  45extern void gfs2_freeze_func(struct work_struct *work);
  46
  47extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
  48extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
  49                                             unsigned int index);
  50extern void free_sbd(struct gfs2_sbd *sdp);
  51
  52extern struct file_system_type gfs2_fs_type;
  53extern struct file_system_type gfs2meta_fs_type;
  54extern const struct export_operations gfs2_export_ops;
  55extern const struct super_operations gfs2_super_ops;
  56extern const struct dentry_operations gfs2_dops;
  57extern const struct xattr_handler *gfs2_xattr_handlers[];
  58
  59#endif /* __SUPER_DOT_H__ */
  60
  61