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 "incore.h" 14 15void gfs2_tune_init(struct gfs2_tune *gt); 16 17int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent); 18int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent); 19struct page *gfs2_read_super(struct super_block *sb, sector_t sector); 20 21static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) 22{ 23 unsigned int x; 24 spin_lock(&sdp->sd_jindex_spin); 25 x = sdp->sd_journals; 26 spin_unlock(&sdp->sd_jindex_spin); 27 return x; 28} 29 30int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh); 31void gfs2_jindex_free(struct gfs2_sbd *sdp); 32 33struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); 34void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid); 35struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp); 36int gfs2_jdesc_check(struct gfs2_jdesc *jd); 37 38int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, 39 struct gfs2_inode **ipp); 40 41int gfs2_make_fs_rw(struct gfs2_sbd *sdp); 42int gfs2_make_fs_ro(struct gfs2_sbd *sdp); 43 44int gfs2_statfs_init(struct gfs2_sbd *sdp); 45void gfs2_statfs_change(struct gfs2_sbd *sdp, 46 s64 total, s64 free, s64 dinodes); 47int gfs2_statfs_sync(struct gfs2_sbd *sdp); 48int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); 49int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); 50 51int gfs2_freeze_fs(struct gfs2_sbd *sdp); 52void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); 53 54#endif /* __SUPER_DOT_H__ */ 55