| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
| 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
| 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 |
| 7 | * of the GNU General Public License version 2. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __TRANS_DOT_H__ |
| 11 | #define __TRANS_DOT_H__ |
| 12 | |
| 13 | #include <linux/buffer_head.h> |
| 14 | struct gfs2_sbd; |
| 15 | struct gfs2_rgrpd; |
| 16 | struct gfs2_glock; |
| 17 | |
| 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 |
| 23 | #define RES_RG_HDR 1 |
| 24 | #define RES_RG_BIT 2 |
| 25 | #define RES_EATTR 1 |
| 26 | #define RES_STATFS 1 |
| 27 | #define RES_QUOTA 2 |
| 28 | |
| 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 */ |
| 31 | static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested) |
| 32 | { |
| 33 | struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd; |
| 34 | |
| 35 | if (requested < rgd->rd_length) |
| 36 | return requested + 1; |
| 37 | return rgd->rd_length; |
| 38 | } |
| 39 | |
| 40 | extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, |
| 41 | unsigned int revokes); |
| 42 | |
| 43 | extern void gfs2_trans_end(struct gfs2_sbd *sdp); |
| 44 | extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh); |
| 45 | extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh); |
| 46 | extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); |
| 47 | extern void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); |
| 48 | |
| 49 | #endif /* __TRANS_DOT_H__ */ |