mirror of https://gitee.com/openkylin/linux.git
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
|
|
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
|
|
* Copyright (C) 2004-2008 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 version 2.
|
|
*/
|
|
|
|
#ifndef __RGRP_DOT_H__
|
|
#define __RGRP_DOT_H__
|
|
|
|
#include <linux/slab.h>
|
|
|
|
struct gfs2_rgrpd;
|
|
struct gfs2_sbd;
|
|
struct gfs2_holder;
|
|
|
|
extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
|
|
|
|
struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk);
|
|
struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
|
|
struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
|
|
|
|
extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
|
|
extern int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh);
|
|
|
|
extern int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
|
|
extern void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
|
|
extern void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
|
|
|
|
extern void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
|
|
|
|
extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
|
|
static inline void gfs2_alloc_put(struct gfs2_inode *ip)
|
|
{
|
|
BUG_ON(ip->i_alloc == NULL);
|
|
kfree(ip->i_alloc);
|
|
ip->i_alloc = NULL;
|
|
}
|
|
|
|
extern int gfs2_inplace_reserve_i(struct gfs2_inode *ip, int hold_rindex,
|
|
char *file, unsigned int line);
|
|
#define gfs2_inplace_reserve(ip) \
|
|
gfs2_inplace_reserve_i((ip), 1, __FILE__, __LINE__)
|
|
#define gfs2_inplace_reserve_ri(ip) \
|
|
gfs2_inplace_reserve_i((ip), 0, __FILE__, __LINE__)
|
|
|
|
extern void gfs2_inplace_release(struct gfs2_inode *ip);
|
|
|
|
extern int gfs2_ri_update(struct gfs2_inode *ip);
|
|
extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n);
|
|
extern int gfs2_alloc_di(struct gfs2_inode *ip, u64 *bn, u64 *generation);
|
|
|
|
extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta);
|
|
extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
|
|
extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
|
|
extern void gfs2_unlink_di(struct inode *inode);
|
|
extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
|
|
unsigned int type);
|
|
|
|
struct gfs2_rgrp_list {
|
|
unsigned int rl_rgrps;
|
|
unsigned int rl_space;
|
|
struct gfs2_rgrpd **rl_rgd;
|
|
struct gfs2_holder *rl_ghs;
|
|
};
|
|
|
|
extern void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
|
|
u64 block);
|
|
extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state);
|
|
extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
|
|
extern u64 gfs2_ri_total(struct gfs2_sbd *sdp);
|
|
extern int gfs2_rgrp_dump(struct seq_file *seq, const struct gfs2_glock *gl);
|
|
|
|
#endif /* __RGRP_DOT_H__ */
|