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Some small tweaks to mdir functions

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- Added lfsr_mdir_lookupnext, for iteration through only a single mid.
  This is useful for MOVE attributes.

- Renamed LFSR_MDIR_MROOTANCHOR -> LFSR_MROOTANCHOR.

- Renamed functions that operate on mdir blocks lfsr_mdir_* ->
  lfsr_mblocks_*.

- Reordered arguments in lfsr_mdir_fetch.

- Renamed mrid_bits/mbid_weight -> mbits/mweight.
This commit is contained in:
Christopher Haster
2023-09-03 22:08:59 -05:00
parent f7900edc1c
commit cf90398197
4 changed files with 325 additions and 286 deletions
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tests/test_alloc.toml
+3 -3
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@@ -109,7 +109,7 @@ code = '''
LFSR_ATTR(0, RM, -1, NULL))) => 0;
lfsr_mdir_t mdir;
lfsr_mtree_lookup(&lfs, 0*lfsr_mbidweight(&lfs)+0,
lfsr_mtree_lookup(&lfs, 0*lfsr_mweight(&lfs)+0,
&mdir) => 0;
lfs_size_t count = 0;
@@ -146,8 +146,8 @@ code = '''
for (lfs_ssize_t mid = 0;
mid < lfs_smax32(
lfsr_mtree_weight(&lfs),
lfsr_mbidweight(&lfs));
mid += lfsr_mbidweight(&lfs)) {
lfsr_mweight(&lfs));
mid += lfsr_mweight(&lfs)) {
lfsr_mdir_t mdir;
lfsr_mtree_lookup(&lfs, mid, &mdir) => 0;
for (; (mdir.mid & lfsr_mridmask(&lfs))