/* * 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, char *file, unsigned int line); #define gfs2_inplace_reserve(ip) \ gfs2_inplace_reserve_i((ip), __FILE__, __LINE__) extern void gfs2_inplace_release(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_data(struct gfs2_inode *ip, u64 bstart, u32 blen); 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__ */