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/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*/
#ifndef __TRANS_DOT_H__
#define __TRANS_DOT_H__
#include <linux/buffer_head.h>
struct gfs2_sbd;
struct gfs2_rgrpd;
struct gfs2_glock;
#define RES_DINODE 1
#define RES_INDIRECT 1
#define RES_JDATA 1
#define RES_DATA 1
#define RES_LEAF 1
#define RES_RG_HDR 1
#define RES_RG_BIT 2
#define RES_EATTR 1
#define RES_STATFS 1
#define RES_QUOTA 2
/* reserve either the number of blocks to be allocated plus the rg header
* block, or all of the blocks in the rg, whichever is smaller */
static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
{
struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd;
if (requested < rgd->rd_length)
return requested + 1;
return rgd->rd_length;
}
extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
unsigned int revokes);
extern void gfs2_trans_end(struct gfs2_sbd *sdp);
extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
extern void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
#endif /* __TRANS_DOT_H__ */
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