| /* |
| * 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); |
| |
| extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); |
| extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp); |
| extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd); |
| |
| extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); |
| extern int gfs2_rindex_update(struct gfs2_sbd *sdp); |
| extern void gfs2_free_clones(struct gfs2_rgrpd *rgd); |
| extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh); |
| extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh); |
| |
| 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(struct gfs2_inode *ip); |
| 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_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_inode *ip, 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); |
| extern void gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset, |
| struct buffer_head *bh, |
| const struct gfs2_bitmap *bi); |
| |
| #endif /* __RGRP_DOT_H__ */ |