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Add CoreInode::lookup() for directory lookups.

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Also add a name-to-inode lookup cache to Ext2Inode. This seems like a great
speedup for filesystem traversal.
This commit is contained in:
Andreas Kling
2018-11-15 16:34:36 +01:00
parent 8fa2d7104a
commit 5f434bc00b
Notes: sideshowbarker 2024-07-19 16:10:32 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/5f434bc00bb
7 changed files with 48 additions and 18 deletions
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13
VirtualFileSystem/FileSystem.cpp
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@@ -37,19 +37,6 @@ FileSystem* FileSystem::fromID(dword id)
return nullptr;
}
InodeIdentifier FileSystem::child_of_directory_inode_with_name(InodeIdentifier inode, const String& name) const
{
InodeIdentifier foundInode;
enumerateDirectoryInode(inode, [&] (const DirectoryEntry& entry) {
if (!strcmp(entry.name, name.characters())) {
foundInode = entry.inode;
return false;
}
return true;
});
return foundInode;
}
String FileSystem::name_of_child_in_directory(InodeIdentifier parent, InodeIdentifier child) const
{
String name;