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BTRFS: Added logical address (root) for BTree

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This commit is contained in:
hyche 2017-06-26 23:04:51 +07:00
parent 7698541e6b
commit 370ee09fe5
2 changed files with 4 additions and 1 deletions
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2
src/add-ons/kernel/file_systems/btrfs/BTree.cpp
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@ -279,7 +279,9 @@ BTree::SetRoot(off_t logical, fsblock_t* block)
{ {
if (block != NULL) { if (block != NULL) {
fRootBlock = *block; fRootBlock = *block;
//TODO: mapping physical block -> logical address
} else { } else {
fLogicalRoot = logical;
if (fVolume->FindBlock(logical, fRootBlock) != B_OK) { if (fVolume->FindBlock(logical, fRootBlock) != B_OK) {
ERROR("Find() unmapped block %" B_PRId64 "\n", fRootBlock); ERROR("Find() unmapped block %" B_PRId64 "\n", fRootBlock);
return B_ERROR; return B_ERROR;

3
src/add-ons/kernel/file_systems/btrfs/BTree.h
View File

@ -57,8 +57,8 @@ public:
size_t* size = NULL); size_t* size = NULL);
status_t SetRoot(off_t logical, fsblock_t* block); status_t SetRoot(off_t logical, fsblock_t* block);
fsblock_t RootBlock() const { return fRootBlock; } fsblock_t RootBlock() const { return fRootBlock; }
off_t LogicalRoot() const { return fLogicalRoot; }
private: private:
BTree(const BTree& other); BTree(const BTree& other);
@ -73,6 +73,7 @@ private:
friend class TreeIterator; friend class TreeIterator;
fsblock_t fRootBlock; fsblock_t fRootBlock;
off_t fLogicalRoot;
Volume* fVolume; Volume* fVolume;
mutex fIteratorLock; mutex fIteratorLock;
SinglyLinkedList<TreeIterator> fIterators; SinglyLinkedList<TreeIterator> fIterators;