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Kernel: Ext2FS now uses Ext2Inodes as cached values

This commit is contained in:
Bananymous 2023-10-25 19:34:00 +03:00
parent 4f4b8ada8c
commit b890e2fc14
3 changed files with 6 additions and 6 deletions
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4
kernel/include/kernel/FS/Ext2/FileSystem.h
View File

@ -69,7 +69,7 @@ namespace Kernel
BAN::ErrorOr<uint32_t> reserve_free_block(uint32_t primary_bgd); BAN::ErrorOr<uint32_t> reserve_free_block(uint32_t primary_bgd);
BAN::HashMap<ino_t, BAN::RefPtr<Inode>>& inode_cache() { return m_inode_cache; } BAN::HashMap<ino_t, BAN::RefPtr<Ext2Inode>>& inode_cache() { return m_inode_cache; }
const Ext2::Superblock& superblock() const { return m_superblock; } const Ext2::Superblock& superblock() const { return m_superblock; }
@ -110,7 +110,7 @@ namespace Kernel
BAN::RefPtr<Inode> m_root_inode; BAN::RefPtr<Inode> m_root_inode;
BAN::Vector<uint32_t> m_superblock_backups; BAN::Vector<uint32_t> m_superblock_backups;
BAN::HashMap<ino_t, BAN::RefPtr<Inode>> m_inode_cache; BAN::HashMap<ino_t, BAN::RefPtr<Ext2Inode>> m_inode_cache;
BlockBufferManager m_buffer_manager; BlockBufferManager m_buffer_manager;

2
kernel/include/kernel/FS/Ext2/Inode.h
View File

@ -53,7 +53,7 @@ namespace Kernel
, m_inode(inode) , m_inode(inode)
, m_ino(ino) , m_ino(ino)
{} {}
static BAN::ErrorOr<BAN::RefPtr<Inode>> create(Ext2FS&, uint32_t); static BAN::ErrorOr<BAN::RefPtr<Ext2Inode>> create(Ext2FS&, uint32_t);
private: private:
Ext2FS& m_fs; Ext2FS& m_fs;

6
kernel/kernel/FS/Ext2/Inode.cpp
View File

@ -21,7 +21,7 @@ namespace Kernel
return (m_ino - 1) / m_fs.superblock().blocks_per_group; return (m_ino - 1) / m_fs.superblock().blocks_per_group;
} }
BAN::ErrorOr<BAN::RefPtr<Inode>> Ext2Inode::create(Ext2FS& fs, uint32_t inode_ino) BAN::ErrorOr<BAN::RefPtr<Ext2Inode>> Ext2Inode::create(Ext2FS& fs, uint32_t inode_ino)
{ {
if (fs.inode_cache().contains(inode_ino)) if (fs.inode_cache().contains(inode_ino))
return fs.inode_cache()[inode_ino]; return fs.inode_cache()[inode_ino];
@ -36,7 +36,7 @@ namespace Kernel
Ext2Inode* result_ptr = new Ext2Inode(fs, inode, inode_ino); Ext2Inode* result_ptr = new Ext2Inode(fs, inode, inode_ino);
if (result_ptr == nullptr) if (result_ptr == nullptr)
return BAN::Error::from_errno(ENOMEM); return BAN::Error::from_errno(ENOMEM);
auto result = BAN::RefPtr<Inode>::adopt(result_ptr); auto result = BAN::RefPtr<Ext2Inode>::adopt(result_ptr);
TRY(fs.inode_cache().insert(inode_ino, result)); TRY(fs.inode_cache().insert(inode_ino, result));
return result; return result;
} }
@ -589,7 +589,7 @@ needs_new_block:
const auto& entry = *(const Ext2::LinkedDirectoryEntry*)entry_addr; const auto& entry = *(const Ext2::LinkedDirectoryEntry*)entry_addr;
BAN::StringView entry_name(entry.name, entry.name_len); BAN::StringView entry_name(entry.name, entry.name_len);
if (entry.inode && entry_name == file_name) if (entry.inode && entry_name == file_name)
return TRY(Ext2Inode::create(m_fs, entry.inode)); return BAN::RefPtr<Inode>(TRY(Ext2Inode::create(m_fs, entry.inode)));
entry_addr += entry.rec_len; entry_addr += entry.rec_len;
} }
} }