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Kernel: Add directory entry cache for ext2 inodes

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Bananymous
2026-05-21 19:08:16 +03:00
parent 60484b286f
commit bc8ecbd6fa
2 changed files with 84 additions and 1 deletions
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15
kernel/include/kernel/FS/Ext2/Inode.h
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@@ -71,6 +71,10 @@ namespace Kernel
private:
Ext2Inode(Ext2FS& fs, Ext2::Inode inode, uint32_t ino);
BAN::RefPtr<Inode> dir_cache_find(BAN::StringView) const;
void dir_cache_remove(BAN::StringView);
void dir_cache_add(BAN::StringView, BAN::RefPtr<Inode>);
private:
struct ScopedSync
{
@@ -105,6 +109,17 @@ namespace Kernel
const uint32_t m_og_faddr;
const Ext2::Osd2 m_og_osd2;
struct DirCacheEntry
{
mutable size_t freq { 0 };
BAN::RefPtr<Inode> inode;
size_t name_len { 0 };
char name[256];
};
static constexpr size_t dir_cache_size = 32;
mutable RWLock m_dir_cache_lock;
BAN::Vector<DirCacheEntry> m_dir_cache;
friend class Ext2FS;
friend class BAN::RefPtr<Ext2Inode>;
};