trans.h (1633B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 4 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 5 */ 6 7#ifndef __TRANS_DOT_H__ 8#define __TRANS_DOT_H__ 9 10#include <linux/buffer_head.h> 11struct gfs2_sbd; 12struct gfs2_rgrpd; 13struct gfs2_glock; 14 15#define RES_DINODE 1 16#define RES_INDIRECT 1 17#define RES_JDATA 1 18#define RES_DATA 1 19#define RES_LEAF 1 20#define RES_RG_HDR 1 21#define RES_RG_BIT 2 22#define RES_EATTR 1 23#define RES_STATFS 1 24#define RES_QUOTA 2 25 26/* reserve either the number of blocks to be allocated plus the rg header 27 * block, or all of the blocks in the rg, whichever is smaller */ 28static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested) 29{ 30 struct gfs2_rgrpd *rgd = ip->i_res.rs_rgd; 31 32 if (requested < rgd->rd_length) 33 return requested + 1; 34 return rgd->rd_length; 35} 36 37extern int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp, 38 unsigned int blocks, unsigned int revokes, 39 unsigned long ip); 40extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, 41 unsigned int revokes); 42 43extern void gfs2_trans_end(struct gfs2_sbd *sdp); 44extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh); 45extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh); 46extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); 47extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); 48extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr); 49 50#endif /* __TRANS_DOT_H__ */