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Merge "snapuserd: Remove dead code from legacy snapuserd."

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David Anderson 2023-05-03 22:53:17 +00:00 committed by Gerrit Code Review
commit f16b2f7988
2 changed files with 2 additions and 12 deletions
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7
fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd.cpp
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@ -509,10 +509,8 @@ bool Snapuserd::ReadMetadata() {
// in the file.
//===========================================================
uint64_t block_source = cow_op->source;
uint64_t block_offset = 0;
if (prev_id.has_value()) {
if (dest_blocks.count(cow_op->new_block) || source_blocks.count(block_source) ||
(block_offset > 0 && source_blocks.count(block_source + 1))) {
if (dest_blocks.count(cow_op->new_block) || source_blocks.count(block_source)) {
break;
}
}
@ -520,9 +518,6 @@ bool Snapuserd::ReadMetadata() {
pending_ordered_ops -= 1;
vec.push_back(cow_op);
dest_blocks.insert(block_source);
if (block_offset > 0) {
dest_blocks.insert(block_source + 1);
}
source_blocks.insert(cow_op->new_block);
prev_id = cow_op->new_block;
cowop_rm_iter->Next();

7
fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd_readahead.cpp
View file

@ -173,16 +173,11 @@ ReadAheadThread::ReadAheadThread(const std::string& cow_device, const std::strin
void ReadAheadThread::CheckOverlap(const CowOperation* cow_op) {
uint64_t source_block = cow_op->source;
uint64_t source_offset = 0;
if (dest_blocks_.count(cow_op->new_block) || source_blocks_.count(source_block) ||
(source_offset > 0 && source_blocks_.count(source_block + 1))) {
if (dest_blocks_.count(cow_op->new_block) || source_blocks_.count(source_block)) {
overlap_ = true;
}
dest_blocks_.insert(source_block);
if (source_offset > 0) {
dest_blocks_.insert(source_block + 1);
}
source_blocks_.insert(cow_op->new_block);
}