trans.h 1.4 KB

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  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. #ifndef __TRANS_DOT_H__
  7. #define __TRANS_DOT_H__
  8. #include <linux/buffer_head.h>
  9. struct gfs2_sbd;
  10. struct gfs2_rgrpd;
  11. struct gfs2_glock;
  12. #define RES_DINODE 1
  13. #define RES_INDIRECT 1
  14. #define RES_JDATA 1
  15. #define RES_DATA 1
  16. #define RES_LEAF 1
  17. #define RES_RG_HDR 1
  18. #define RES_RG_BIT 2
  19. #define RES_EATTR 1
  20. #define RES_STATFS 1
  21. #define RES_QUOTA 2
  22. /* reserve either the number of blocks to be allocated plus the rg header
  23. * block, or all of the blocks in the rg, whichever is smaller */
  24. static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
  25. {
  26. struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd;
  27. if (requested < rgd->rd_length)
  28. return requested + 1;
  29. return rgd->rd_length;
  30. }
  31. extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
  32. unsigned int revokes);
  33. extern void gfs2_trans_end(struct gfs2_sbd *sdp);
  34. extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
  35. extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
  36. extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
  37. extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
  38. extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
  39. #endif /* __TRANS_DOT_H__ */