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gerrit-public.fairphone.software / fp2-dev / kernel / msm / 1946f70ab5e4eb8b54a8eaaedba2293a3750ab7e / . / fs / gfs2 / super.h
blob: 22e0417ed996c676f2941459912e0130e4e2aca9 [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
Steven Whitehouse3a8a9a12006-05-18 15:09:15 -0400[diff] [blame]3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]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
Steven Whitehousee9fc2aa2006-09-01 11:05:15 -0400[diff] [blame]7 * of the GNU General Public License version 2.
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]8 */
9
10#ifndef __SUPER_DOT_H__
11#define __SUPER_DOT_H__
12
Steven Whitehouseb2760582008-10-14 16:05:55 +0100[diff] [blame]13#include <linux/fs.h>
14#include <linux/dcache.h>
Steven Whitehousef2f7ba52006-09-05 10:39:21 -0400[diff] [blame]15#include "incore.h"
16
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]17extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]18
19static 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
Steven Whitehousefefc03b2008-12-19 15:32:06 +0000[diff] [blame]28void gfs2_jindex_free(struct gfs2_sbd *sdp);
29
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]30extern int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *data);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]31
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]32extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
33extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]34
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]35extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
36 struct gfs2_inode **ipp);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]37
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]38extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]39
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]40extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
41extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
42 s64 dinodes);
Benjamin Marzinski1946f702009-06-25 15:09:51 -0500[diff] [blame^]43extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
44 const void *buf);
45extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
46 struct buffer_head *l_bh);
Steven Whitehouse6f04c1c2009-01-06 11:52:25 +0000[diff] [blame]47extern int gfs2_statfs_sync(struct gfs2_sbd *sdp);
48
49extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
50extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]51
Steven Whitehouseb2760582008-10-14 16:05:55 +0100[diff] [blame]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;
Al Viro92cecbb2009-02-20 06:00:05 +0000[diff] [blame]56extern const struct dentry_operations gfs2_dops;
Steven Whitehouseb2760582008-10-14 16:05:55 +0100[diff] [blame]57
David Teiglandb3b94fa2006-01-16 16:50:04 +0000[diff] [blame]58#endif /* __SUPER_DOT_H__ */
59