| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| Bob Peterson | fe6c991 | 2008-01-28 11:13:02 -0600 | [diff] [blame] | 3 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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 |
| Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 7 | * of the GNU General Public License version 2. |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef __RGRP_DOT_H__ |
| 11 | #define __RGRP_DOT_H__ |
| 12 | |
| Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 13 | #include <linux/slab.h> |
| 14 | |
| Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 15 | struct gfs2_rgrpd; |
| 16 | struct gfs2_sbd; |
| 17 | struct gfs2_holder; |
| 18 | |
| Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 19 | extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 20 | |
| Steven Whitehouse | 8339ee5 | 2011-08-31 16:38:29 +0100 | [diff] [blame] | 21 | extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); |
| 22 | extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp); |
| 23 | extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 24 | |
| Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 25 | extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); |
| Steven Whitehouse | 8339ee5 | 2011-08-31 16:38:29 +0100 | [diff] [blame] | 26 | extern int gfs2_rindex_update(struct gfs2_sbd *sdp); |
| 27 | extern void gfs2_free_clones(struct gfs2_rgrpd *rgd); |
| Bob Peterson | 7c9ca62 | 2011-08-31 09:53:19 +0100 | [diff] [blame] | 28 | extern int gfs2_rgrp_go_lock(struct gfs2_holder *gh); |
| 29 | extern void gfs2_rgrp_go_unlock(struct gfs2_holder *gh); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 30 | |
| Bob Peterson | 564e12b | 2011-11-21 13:36:17 -0500 | [diff] [blame] | 31 | extern struct gfs2_qadata *gfs2_qadata_get(struct gfs2_inode *ip); |
| 32 | static inline void gfs2_qadata_put(struct gfs2_inode *ip) |
| Steven Whitehouse | 2c1e52a | 2006-09-05 15:41:57 -0400 | [diff] [blame] | 33 | { |
| Bob Peterson | 564e12b | 2011-11-21 13:36:17 -0500 | [diff] [blame] | 34 | BUG_ON(ip->i_qadata == NULL); |
| 35 | kfree(ip->i_qadata); |
| 36 | ip->i_qadata = NULL; |
| Steven Whitehouse | 2c1e52a | 2006-09-05 15:41:57 -0400 | [diff] [blame] | 37 | } |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 38 | |
| Bob Peterson | 564e12b | 2011-11-21 13:36:17 -0500 | [diff] [blame] | 39 | extern int gfs2_inplace_reserve(struct gfs2_inode *ip, u32 requested); |
| Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 40 | extern void gfs2_inplace_release(struct gfs2_inode *ip); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 41 | |
| Bob Peterson | 6e87ed0 | 2011-11-18 10:58:32 -0500 | [diff] [blame] | 42 | extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n, |
| 43 | bool dinode, u64 *generation); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 44 | |
| Eric Sandeen | 46fcb2e | 2011-06-23 10:39:34 -0500 | [diff] [blame] | 45 | extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta); |
| Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 46 | extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); |
| 47 | extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); |
| 48 | extern void gfs2_unlink_di(struct inode *inode); |
| Steven Whitehouse | acf7e24 | 2009-09-08 18:00:30 +0100 | [diff] [blame] | 49 | extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr, |
| 50 | unsigned int type); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 51 | |
| 52 | struct gfs2_rgrp_list { |
| 53 | unsigned int rl_rgrps; |
| 54 | unsigned int rl_space; |
| 55 | struct gfs2_rgrpd **rl_rgd; |
| 56 | struct gfs2_holder *rl_ghs; |
| 57 | }; |
| 58 | |
| Steven Whitehouse | 70b0c36 | 2011-09-02 16:08:09 +0100 | [diff] [blame] | 59 | extern void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist, |
| Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 60 | u64 block); |
| 61 | extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state); |
| 62 | extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist); |
| 63 | extern u64 gfs2_ri_total(struct gfs2_sbd *sdp); |
| 64 | extern int gfs2_rgrp_dump(struct seq_file *seq, const struct gfs2_glock *gl); |
| Bob Peterson | 7c9ca62 | 2011-08-31 09:53:19 +0100 | [diff] [blame] | 65 | extern void gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset, |
| 66 | struct buffer_head *bh, |
| 67 | const struct gfs2_bitmap *bi); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 68 | |
| 69 | #endif /* __RGRP_DOT_H__ */ |