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Renamed ckcksums -> ckdatacksums

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To clarify this only checks data reads, and to makes space for future
theoretical ck-operations:

- ckmetaredund - likely
- ckdataredund - unlikely, expensive
- ckmetacksums - unlikely, expensive
- ckdatacksums - implemented

This also tweaks the relevant mount/format/info flags a bit:

  LFS_M_CKPROGS       0x00100000 Check progs by reading back progged data
  LFS_M_CKFETCHES     0x00200000 Check block checksums before first use
  LFS_M_CKPARITY      0x00400000 Check metadata tag parity bits
  LFS_M_CKMETAREDUND+ 0x01000000 Check metadata redund blocks on reads
  LFS_M_CKDATAREDUND* 0x02000000 Check data redund blocks on reads
  LFS_M_CKMETACKSUMS* 0x04000000 Check metadata checksums on reads
  LFS_M_CKDATACKSUMS  0x08000000 Check data checksums on reads

  +Planned
  *Hypothetical

No code changes.
This commit is contained in:
Christopher Haster
2025-01-03 22:42:03 -06:00
parent 377e744acd
commit 1d21355707
5 changed files with 153 additions and 122 deletions
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lfs_util.h
+3 -3
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@@ -156,10 +156,10 @@ extern "C"
#define LFS_IFDEF_CKPARITY(a, b) (b)
#endif
#ifdef LFS_CKCKSUMS
#define LFS_IFDEF_CKCKSUMS(a, b) (a)
#ifdef LFS_CKDATACKSUMS
#define LFS_IFDEF_CKDATACKSUMS(a, b) (a)
#else
#define LFS_IFDEF_CKCKSUMS(a, b) (b)
#define LFS_IFDEF_CKDATACKSUMS(a, b) (b)
#endif