2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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.
10 #ifndef __TRANS_DOT_H__
11 #define __TRANS_DOT_H__
13 #include <linux/buffer_head.h>
19 #define RES_INDIRECT 1
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)
33 struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd;
35 if (requested < rgd->rd_length)
37 return rgd->rd_length;
40 extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
41 unsigned int revokes);
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);
49 #endif /* __TRANS_DOT_H__ */