projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b3b94faa DT |
1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
| 3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| b3b94faa DT |
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 | |
| e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
| b3b94faa DT |
8 | */ |
| 9 | ||
| 10 | #ifndef __RGRP_DOT_H__ | |
| 11 | #define __RGRP_DOT_H__ | |
| 12 | ||
| f2f7ba52 SW |
13 | struct gfs2_rgrpd; |
| 14 | struct gfs2_sbd; | |
| 15 | struct gfs2_holder; | |
| 16 | ||
| b3b94faa DT |
17 | void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd); |
| 18 | ||
| cd915493 | 19 | struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); |
| b3b94faa DT |
20 | struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp); |
| 21 | struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd); | |
| 22 | ||
| 23 | void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); | |
| 24 | int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh); | |
| 25 | ||
| 26 | int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd); | |
| 27 | void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd); | |
| 28 | void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd); | |
| 29 | ||
| 30 | void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd); | |
| 31 | ||
| 32 | struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); | |
| 2c1e52aa SW |
33 | static inline void gfs2_alloc_put(struct gfs2_inode *ip) |
| 34 | { | |
| 6dbd8224 SW |
35 | BUG_ON(ip->i_alloc == NULL); |
| 36 | kfree(ip->i_alloc); | |
| 37 | ip->i_alloc = NULL; | |
| 2c1e52aa | 38 | } |
| b3b94faa DT |
39 | |
| 40 | int gfs2_inplace_reserve_i(struct gfs2_inode *ip, | |
| 41 | char *file, unsigned int line); | |
| 42 | #define gfs2_inplace_reserve(ip) \ | |
| 43 | gfs2_inplace_reserve_i((ip), __FILE__, __LINE__) | |
| 44 | ||
| 45 | void gfs2_inplace_release(struct gfs2_inode *ip); | |
| 46 | ||
| cd915493 | 47 | unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block); |
| b3b94faa | 48 | |
| 4340fe62 SW |
49 | u64 gfs2_alloc_data(struct gfs2_inode *ip); |
| 50 | u64 gfs2_alloc_meta(struct gfs2_inode *ip); | |
| 51 | u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation); | |
| b3b94faa | 52 | |
| cd915493 SW |
53 | void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); |
| 54 | void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); | |
| b3b94faa | 55 | void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); |
| feaa7bba | 56 | void gfs2_unlink_di(struct inode *inode); |
| b3b94faa DT |
57 | |
| 58 | struct gfs2_rgrp_list { | |
| 59 | unsigned int rl_rgrps; | |
| 60 | unsigned int rl_space; | |
| 61 | struct gfs2_rgrpd **rl_rgd; | |
| 62 | struct gfs2_holder *rl_ghs; | |
| 63 | }; | |
| 64 | ||
| 65 | void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist, | |
| cd915493 | 66 | u64 block); |
| b3b94faa DT |
67 | void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state, |
| 68 | int flags); | |
| 69 | void gfs2_rlist_free(struct gfs2_rgrp_list *rlist); | |
| cd81a4ba | 70 | u64 gfs2_ri_total(struct gfs2_sbd *sdp); |
| b3b94faa DT |
71 | |
| 72 | #endif /* __RGRP_DOT_H__ */ |