xref: /openbmc/linux/fs/gfs2/super.h (revision 40b78a32)
1b3b94faaSDavid Teigland /*
2b3b94faaSDavid Teigland  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
33a8a9a10SSteven Whitehouse  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
4b3b94faaSDavid Teigland  *
5b3b94faaSDavid Teigland  * This copyrighted material is made available to anyone wishing to use,
6b3b94faaSDavid Teigland  * modify, copy, or redistribute it subject to the terms and conditions
7e9fc2aa0SSteven Whitehouse  * of the GNU General Public License version 2.
8b3b94faaSDavid Teigland  */
9b3b94faaSDavid Teigland 
10b3b94faaSDavid Teigland #ifndef __SUPER_DOT_H__
11b3b94faaSDavid Teigland #define __SUPER_DOT_H__
12b3b94faaSDavid Teigland 
13b2760583SSteven Whitehouse #include <linux/fs.h>
14b2760583SSteven Whitehouse #include <linux/dcache.h>
15f2f7ba52SSteven Whitehouse #include "incore.h"
16f2f7ba52SSteven Whitehouse 
176f04c1c7SSteven Whitehouse extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
18b3b94faaSDavid Teigland 
19b3b94faaSDavid Teigland static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
20b3b94faaSDavid Teigland {
21b3b94faaSDavid Teigland 	unsigned int x;
22b3b94faaSDavid Teigland 	spin_lock(&sdp->sd_jindex_spin);
23b3b94faaSDavid Teigland 	x = sdp->sd_journals;
24b3b94faaSDavid Teigland 	spin_unlock(&sdp->sd_jindex_spin);
25b3b94faaSDavid Teigland 	return x;
26b3b94faaSDavid Teigland }
27b3b94faaSDavid Teigland 
288633ecfaSSteven Whitehouse extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
29fefc03bfSSteven Whitehouse 
306f04c1c7SSteven Whitehouse extern int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *data);
31b3b94faaSDavid Teigland 
326f04c1c7SSteven Whitehouse extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
336f04c1c7SSteven Whitehouse extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
346f04c1c7SSteven Whitehouse 
356f04c1c7SSteven Whitehouse extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
36b3b94faaSDavid Teigland 				     struct gfs2_inode **ipp);
37b3b94faaSDavid Teigland 
386f04c1c7SSteven Whitehouse extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
398633ecfaSSteven Whitehouse extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
406f04c1c7SSteven Whitehouse extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
416f04c1c7SSteven Whitehouse extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
426f04c1c7SSteven Whitehouse 			       s64 dinodes);
431946f70aSBenjamin Marzinski extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
441946f70aSBenjamin Marzinski 				  const void *buf);
451946f70aSBenjamin Marzinski extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
461946f70aSBenjamin Marzinski 			  struct buffer_head *l_bh);
476f04c1c7SSteven Whitehouse extern int gfs2_statfs_sync(struct gfs2_sbd *sdp);
48b3b94faaSDavid Teigland 
496f04c1c7SSteven Whitehouse extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
506f04c1c7SSteven Whitehouse extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
51b3b94faaSDavid Teigland 
52b2760583SSteven Whitehouse extern struct file_system_type gfs2_fs_type;
53b2760583SSteven Whitehouse extern struct file_system_type gfs2meta_fs_type;
54b2760583SSteven Whitehouse extern const struct export_operations gfs2_export_ops;
55b2760583SSteven Whitehouse extern const struct super_operations gfs2_super_ops;
5692cecbbfSAl Viro extern const struct dentry_operations gfs2_dops;
5740b78a32SSteven Whitehouse extern struct xattr_handler *gfs2_xattr_handlers[];
58b2760583SSteven Whitehouse 
59b3b94faaSDavid Teigland #endif /* __SUPER_DOT_H__ */
60b3b94faaSDavid Teigland 
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