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Finally hook up the mkdir code to a syscall.

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Added a /bin/mkdir that makes directories. How very neat :^)
There are various limitations because of missing functionality.
This commit is contained in:
Andreas Kling 2018-11-18 14:57:41 +01:00
parent 303577df16
commit de4604ac95
26 changed files with 238 additions and 132 deletions
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14
VirtualFileSystem/Ext2FileSystem.h
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@ -51,9 +51,6 @@ private:
typedef unsigned BlockIndex;
typedef unsigned GroupIndex;
typedef unsigned InodeIndex;
class CachedExt2Inode;
class CachedExt2InodeImpl;
explicit Ext2FS(RetainPtr<DiskDevice>&&);
const ext2_super_block& superBlock() const;
@ -64,7 +61,7 @@ private:
unsigned blocksPerGroup() const;
unsigned inodeSize() const;
CachedExt2Inode lookupExt2Inode(unsigned) const;
OwnPtr<ext2_inode> lookupExt2Inode(unsigned) const;
bool writeExt2Inode(unsigned, const ext2_inode&);
ByteBuffer readBlockContainingInode(unsigned inode, unsigned& blockIndex, unsigned& offset) const;
@ -76,9 +73,9 @@ private:
virtual bool writeInode(InodeIdentifier, const ByteBuffer&) override;
virtual InodeMetadata inodeMetadata(InodeIdentifier) const override;
virtual bool set_mtime(InodeIdentifier, dword timestamp) override;
virtual InodeIdentifier create_inode(InodeIdentifier parentInode, const String& name, Unix::mode_t, unsigned size) override;
virtual InodeIdentifier create_inode(InodeIdentifier parentInode, const String& name, Unix::mode_t, unsigned size, int& error) override;
virtual Unix::ssize_t read_inode_bytes(InodeIdentifier, Unix::off_t offset, Unix::size_t count, byte* buffer, FileDescriptor*) const override;
virtual InodeIdentifier create_directory(InodeIdentifier parentInode, const String& name, Unix::mode_t) override;
virtual InodeIdentifier create_directory(InodeIdentifier parentInode, const String& name, Unix::mode_t, int& error) override;
virtual InodeIdentifier find_parent_of_inode(InodeIdentifier) const override;
virtual RetainPtr<CoreInode> get_inode(InodeIdentifier) const override;
@ -95,7 +92,7 @@ private:
template<typename F> void traverseInodeBitmap(unsigned groupIndex, F) const;
template<typename F> void traverseBlockBitmap(unsigned groupIndex, F) const;
bool addInodeToDirectory(unsigned directoryInode, unsigned inode, const String& name, byte fileType);
bool addInodeToDirectory(unsigned directoryInode, unsigned inode, const String& name, byte fileType, int& error);
bool writeDirectoryInode(unsigned directoryInode, Vector<DirectoryEntry>&&);
bool setInodeAllocationState(unsigned inode, bool);
bool setBlockAllocationState(GroupIndex, BlockIndex, bool);
@ -109,9 +106,6 @@ private:
mutable ByteBuffer m_cachedSuperBlock;
mutable ByteBuffer m_cachedBlockGroupDescriptorTable;
mutable SpinLock m_inodeCacheLock;
mutable HashMap<unsigned, RetainPtr<CachedExt2InodeImpl>> m_inodeCache;
mutable SpinLock m_inode_cache_lock;
mutable HashMap<BlockIndex, RetainPtr<Ext2FSInode>> m_inode_cache;
};