mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 13:05:03 +08:00
803074ad77
Merge the resource group glock sharing feature and the revoke accounting rework. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* 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 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_rgd;
|
|
|
|
if (requested < rgd->rd_length)
|
|
return requested + 1;
|
|
return rgd->rd_length;
|
|
}
|
|
|
|
extern int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
|
|
unsigned int blocks, unsigned int revokes,
|
|
unsigned long ip);
|
|
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_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
|
|
extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
|
|
|
|
#endif /* __TRANS_DOT_H__ */
|