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Merge PR #23516 into master

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* refs/pull/23516/head:
	os/bluestore: check bluefs_extents consistency (DB vs. BlueFS)

Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2018-08-13 13:00:36 -05:00
commit 4c2591b5d3
1 changed files with 20 additions and 0 deletions
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20
src/os/bluestore/BlueStore.cc
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@ -6118,6 +6118,26 @@ int BlueStore::_fsck(bool deep, bool repair)
}
if (bluefs) {
interval_set<uint64_t> bset;
r = bluefs->get_block_extents(bluefs_shared_bdev, &bset);
assert(r == 0);
if (!(bset == bluefs_extents)) {
dout(10) << __func__ << " bluefs says 0x" << std::hex << bset << std::dec
<< dendl;
dout(10) << __func__ << " super says 0x" << std::hex << bluefs_extents
<< std::dec << dendl;
interval_set<uint64_t> overlap;
overlap.intersection_of(bset, bluefs_extents);
bset.subtract(overlap);
if (!bset.empty()) {
derr << "fsck error: bluefs extra 0x" << std::hex << bset << std::dec
<< dendl;
++errors;
}
}
for (auto e = bluefs_extents.begin(); e != bluefs_extents.end(); ++e) {
apply(
e.get_start(), e.get_len(), fm->get_alloc_size(), used_blocks,