linux/fs/gfs2/trans.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
 */

#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 …
#define RES_INDIRECT …
#define RES_JDATA …
#define RES_DATA …
#define RES_LEAF …
#define RES_RG_HDR …
#define RES_RG_BIT …
#define RES_EATTR …
#define RES_STATFS …
#define RES_QUOTA …

/* 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)
{ … }

int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
		       unsigned int blocks, unsigned int revokes,
		       unsigned long ip);
int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
		     unsigned int revokes);

void gfs2_trans_end(struct gfs2_sbd *sdp);
void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);

#endif /* __TRANS_DOT_H__ */