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 15 void gfs2_tune_init(struct gfs2_tune *gt); 16 17 int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent); 18 int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent); 19 int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector); 20 void gfs2_lm_unmount(struct gfs2_sbd *sdp); 21 22 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) 23 { 24 unsigned int x; 25 spin_lock(&sdp->sd_jindex_spin); 26 x = sdp->sd_journals; 27 spin_unlock(&sdp->sd_jindex_spin); 28 return x; 29 } 30 31 int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh); 32 void gfs2_jindex_free(struct gfs2_sbd *sdp); 33 34 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); 35 void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid); 36 struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp); 37 int gfs2_jdesc_check(struct gfs2_jdesc *jd); 38 39 int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, 40 struct gfs2_inode **ipp); 41 42 int gfs2_make_fs_rw(struct gfs2_sbd *sdp); 43 int gfs2_make_fs_ro(struct gfs2_sbd *sdp); 44 45 int gfs2_statfs_init(struct gfs2_sbd *sdp); 46 void gfs2_statfs_change(struct gfs2_sbd *sdp, 47 s64 total, s64 free, s64 dinodes); 48 int gfs2_statfs_sync(struct gfs2_sbd *sdp); 49 int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); 50 int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); 51 52 int gfs2_freeze_fs(struct gfs2_sbd *sdp); 53 void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); 54 55 #endif /* __SUPER_DOT_H__ */ 56 57