linux-hardened/fs/gfs2/rgrp.h
David Teigland b3b94faa5f [GFS2] The core of GFS2
This patch contains all the core files for GFS2.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-16 16:50:04 +00:00

62 lines
2.1 KiB
C

/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*/
#ifndef __RGRP_DOT_H__
#define __RGRP_DOT_H__
void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, uint64_t blk);
struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh);
int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
void gfs2_alloc_put(struct gfs2_inode *ip);
int gfs2_inplace_reserve_i(struct gfs2_inode *ip,
char *file, unsigned int line);
#define gfs2_inplace_reserve(ip) \
gfs2_inplace_reserve_i((ip), __FILE__, __LINE__)
void gfs2_inplace_release(struct gfs2_inode *ip);
unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, uint64_t block);
uint64_t gfs2_alloc_data(struct gfs2_inode *ip);
uint64_t gfs2_alloc_meta(struct gfs2_inode *ip);
uint64_t gfs2_alloc_di(struct gfs2_inode *ip);
void gfs2_free_data(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
void gfs2_free_meta(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, uint64_t blkno);
void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
struct gfs2_rgrp_list {
unsigned int rl_rgrps;
unsigned int rl_space;
struct gfs2_rgrpd **rl_rgd;
struct gfs2_holder *rl_ghs;
};
void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
uint64_t block);
void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state,
int flags);
void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
#endif /* __RGRP_DOT_H__ */