| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| Steven Whitehouse | 3a8a9a1 | 2006-05-18 15:09:15 -0400 | [diff] [blame] | 3 | * Copyright (C) 2004-2006 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 __TRANS_DOT_H__ |
| 11 | #define __TRANS_DOT_H__ |
| 12 | |
| Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 13 | #include <linux/buffer_head.h> |
| 14 | struct gfs2_sbd; |
| 15 | struct gfs2_rgrpd; |
| 16 | struct gfs2_glock; |
| 17 | |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 18 | #define RES_DINODE 1 |
| 19 | #define RES_INDIRECT 1 |
| 20 | #define RES_JDATA 1 |
| 21 | #define RES_DATA 1 |
| 22 | #define RES_LEAF 1 |
| Benjamin Marzinski | 3921120 | 2010-08-20 00:21:02 -0500 | [diff] [blame] | 23 | #define RES_RG_HDR 1 |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 24 | #define RES_RG_BIT 2 |
| 25 | #define RES_EATTR 1 |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 26 | #define RES_STATFS 1 |
| 27 | #define RES_QUOTA 2 |
| 28 | |
| Benjamin Marzinski | bf97b67 | 2010-09-27 16:00:04 -0500 | [diff] [blame] | 29 | /* reserve either the number of blocks to be allocated plus the rg header |
| 30 | * block, or all of the blocks in the rg, whichever is smaller */ |
| Steven Whitehouse | 54335b1 | 2011-09-01 13:31:59 +0100 | [diff] [blame] | 31 | static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip) |
| Benjamin Marzinski | bf97b67 | 2010-09-27 16:00:04 -0500 | [diff] [blame] | 32 | { |
| Bob Peterson | 564e12b | 2011-11-21 13:36:17 -0500 | [diff] [blame] | 33 | const struct gfs2_blkreserv *rs = ip->i_res; |
| 34 | if (rs->rs_requested < ip->i_rgd->rd_length) |
| 35 | return rs->rs_requested + 1; |
| Steven Whitehouse | 54335b1 | 2011-09-01 13:31:59 +0100 | [diff] [blame] | 36 | return ip->i_rgd->rd_length; |
| Benjamin Marzinski | bf97b67 | 2010-09-27 16:00:04 -0500 | [diff] [blame] | 37 | } |
| 38 | |
| Bob Peterson | 7c9ca62 | 2011-08-31 09:53:19 +0100 | [diff] [blame] | 39 | extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, |
| 40 | unsigned int revokes); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 41 | |
| Bob Peterson | 7c9ca62 | 2011-08-31 09:53:19 +0100 | [diff] [blame] | 42 | extern void gfs2_trans_end(struct gfs2_sbd *sdp); |
| 43 | extern void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta); |
| 44 | extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); |
| 45 | extern void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); |
| David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 46 | |
| 47 | #endif /* __TRANS_DOT_H__ */ |