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
  14 extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
  15
  16 static 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
  25 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
  26
  27 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
  28 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
  29 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
  30                                      struct gfs2_inode **ipp);
  31
  32 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
  33 extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
  34 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
  35 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
  36 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
  37                                s64 dinodes);
  38 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
  39                                   const void *buf);
  40 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
  41                           struct buffer_head *l_bh);
  42 extern int gfs2_statfs_sync(struct super_block *sb, int type);
  43 extern void gfs2_freeze_func(struct work_struct *work);
  44
  45 extern void free_sbd(struct gfs2_sbd *sdp);
  46
  47 extern struct file_system_type gfs2_fs_type;
  48 extern struct file_system_type gfs2meta_fs_type;
  49 extern const struct export_operations gfs2_export_ops;
  50 extern const struct super_operations gfs2_super_ops;
  51 extern const struct dentry_operations gfs2_dops;
  52 extern const struct xattr_handler *gfs2_xattr_handlers[];
  53
  54 #endif /* __SUPER_DOT_H__ */
  55