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> 11 struct gfs2_sbd; 12 struct gfs2_rgrpd; 13 struct 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 */ 28 static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested) 29 { 30 struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd; 31 32 if (requested < rgd->rd_length) 33 return requested + 1; 34 return rgd->rd_length; 35 } 36 37 extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks, 38 unsigned int revokes); 39 40 extern void gfs2_trans_end(struct gfs2_sbd *sdp); 41 extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh); 42 extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh); 43 extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd); 44 extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len); 45 46 #endif /* __TRANS_DOT_H__ */ 47