fs/xfs/scrub/rtsummary.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2020-2024 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <djwong@kernel.org>
   5  */
   6 #ifndef __XFS_SCRUB_RTSUMMARY_H__
   7 #define __XFS_SCRUB_RTSUMMARY_H__
   8
   9 struct xchk_rtsummary {
  10 #ifdef CONFIG_XFS_ONLINE_REPAIR
  11         struct xrep_tempexch    tempexch;
  12 #endif
  13         struct xfs_rtalloc_args args;
  14
  15         uint64_t                rextents;
  16         uint64_t                rbmblocks;
  17         xfs_filblks_t           rsumblocks;
  18         unsigned int            rsumlevels;
  19         unsigned int            resblks;
  20
  21         /* suminfo position of xfile as we write buffers to disk. */
  22         xfs_rtsumoff_t          prep_wordoff;
  23
  24         /* Memory buffer for the summary comparison. */
  25         union xfs_suminfo_raw   words[];
  26 };
  27
  28 int xfsum_copyout(struct xfs_scrub *sc, xfs_rtsumoff_t sumoff,
  29                 union xfs_suminfo_raw *rawinfo, unsigned int nr_words);
  30
  31 #ifdef CONFIG_XFS_ONLINE_REPAIR
  32 int xrep_setup_rtsummary(struct xfs_scrub *sc, struct xchk_rtsummary *rts);
  33 #else
  34 # define xrep_setup_rtsummary(sc, rts)  (0)
  35 #endif /* CONFIG_XFS_ONLINE_REPAIR */
  36
  37 #endif /* __XFS_SCRUB_RTSUMMARY_H__ */