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os/bluestore: Simplify _maybe_unshare_on_remove

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Unify compressed and uncompressed blobs handling.

Signed-off-by: Adam Kupczyk <akupczyk@ibm.com>
This commit is contained in:
Adam Kupczyk 2026-06-02 06:21:35 +00:00
parent 96a1a2e25d
commit 72fe925e93
1 changed files with 5 additions and 16 deletions
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21
src/os/bluestore/BlueStore.cc
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@ -18354,24 +18354,13 @@ int BlueStore::_maybe_unshare_on_remove(
const Blob* B = e.blob.get();
const bluestore_blob_t& b = B->get_blob();
SharedBlob *sb = B->get_shared_blob().get();
if (b.is_shared() &&
sb->loaded &&
maybe_unshared_blobs.count(sb)) {
if (b.is_compressed()) {
b.map(0, b.get_ondisk_size(), [&](uint64_t off, uint64_t len) {
expect[B].get(off, len);
return 0;
});
// Do not account second time.
maybe_unshared_blobs.erase(sb);
} else {
for (const auto& e: b.get_extents()) {
if (e.is_valid()) {
expect[B].get(e.offset, e.length);
}
if (b.is_shared() && sb->loaded && maybe_unshared_blobs.count(sb)) {
for (const auto& e: b.get_extents()) {
if (e.is_valid()) {
expect[B].get(e.offset, e.length);
}
maybe_unshared_blobs.erase(sb);
}
maybe_unshared_blobs.erase(sb);
}
}