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extent scan: pick the right block groups for mixed-bg filesystems

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The progress indicator was failing on a mixed-bg filesystem because those
filesystems have block groups which have both _DATA and _METADATA bits,
and the filesystem size calculation was excluding block groups that have
_METADATA set.  It should exclude block groups that have _DATA not set.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2024-12-18 23:32:09 -05:00
parent 1f0b8c623c
commit ca351d389f
1 changed files with 3 additions and 1 deletions
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4
src/bees-roots.cc
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@@ -970,7 +970,9 @@ BeesScanModeExtent::next_transid(const CrawlMap &crawl_map_unused)
.first_bytenr = offset,
.first_total = fs_size,
};
if (bti.chunk_type() & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM)) {
// Mixed-bg filesystems have block groups that are data _and_ metadata.
// Block groups that are _only_ metadata should be filtered out.
if (0 == (bti.chunk_type() & BTRFS_BLOCK_GROUP_DATA)) {
continue;
}
fs_size += chunk_length;