1 /* 2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. 3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. 4 * 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. 8 */ 9 10 #ifndef __TRANS_DOT_H__ 11 #define __TRANS_DOT_H__ 12 13 #include <linux/buffer_head.h> 14 struct gfs2_sbd; 15 struct gfs2_rgrpd; 16 struct gfs2_glock; 17 18 #define RES_DINODE 1 19 #define RES_INDIRECT 1 20 #define RES_JDATA 1 21 #define RES_DATA 1 22 #define RES_LEAF 1 23 #define RES_RG_HDR 1 24 #define RES_RG_BIT 2 25 #define RES_EATTR 1 26 #define RES_STATFS 1 27 #define RES_QUOTA 2 28 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_alloc *al) 32 { 33 return (al->al_requested < al->al_rgd->rd_length)? 34 al->al_requested + 1 : al->al_rgd->rd_length; 35 } 36 37 int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, 38 unsigned int revokes); 39 40 void gfs2_trans_end(struct gfs2_sbd *sdp); 41 42 void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta); 43 void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); 44 void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); 45 void gfs2_trans_add_rg(struct gfs2_rgrpd *rgd); 46 47 #endif /* __TRANS_DOT_H__ */ 48