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_sbd *sdp, 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 gfs2_sbd *sdp); 48 49 extern int gfs2_freeze_fs(struct gfs2_sbd *sdp); 50 extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); 51 52 extern struct file_system_type gfs2_fs_type; 53 extern struct file_system_type gfs2meta_fs_type; 54 extern const struct export_operations gfs2_export_ops; 55 extern const struct super_operations gfs2_super_ops; 56 extern const struct dentry_operations gfs2_dops; 57 extern struct xattr_handler *gfs2_xattr_handlers[]; 58 59 #endif /* __SUPER_DOT_H__ */ 60 61