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Linux/fs/gfs2/super.h

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  1 /*
  2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
  3  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
  4  *
  5  * This copyrighted material is made available to anyone wishing to use,
  6  * modify, copy, or redistribute it subject to the terms and conditions
  7  * of the GNU General Public License version 2.
  8  */
  9 
 10 #ifndef __SUPER_DOT_H__
 11 #define __SUPER_DOT_H__
 12 
 13 #include <linux/fs.h>
 14 #include <linux/dcache.h>
 15 #include "incore.h"
 16 
 17 extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
 18 
 19 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
 20 {
 21         unsigned int x;
 22         spin_lock(&sdp->sd_jindex_spin);
 23         x = sdp->sd_journals;
 24         spin_unlock(&sdp->sd_jindex_spin);
 25         return x;
 26 }
 27 
 28 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
 29 
 30 extern int gfs2_mount_args(struct gfs2_args *args, char *data);
 31 
 32 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
 33 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
 34 
 35 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
 36                                      struct gfs2_inode **ipp);
 37 
 38 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
 39 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
 40 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
 41 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
 42                                s64 dinodes);
 43 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
 44                                   const void *buf);
 45 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
 46                           struct buffer_head *l_bh);
 47 extern int gfs2_statfs_sync(struct super_block *sb, int type);
 48 extern void gfs2_freeze_func(struct work_struct *work);
 49 
 50 extern struct file_system_type gfs2_fs_type;
 51 extern struct file_system_type gfs2meta_fs_type;
 52 extern const struct export_operations gfs2_export_ops;
 53 extern const struct super_operations gfs2_super_ops;
 54 extern const struct dentry_operations gfs2_dops;
 55 extern const struct xattr_handler *gfs2_xattr_handlers[];
 56 
 57 #endif /* __SUPER_DOT_H__ */
 58 
 59 

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