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Kernel: Optimize ext2 filesystem

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block lookup can now also allocate blocks so there is no need to do
multiple lookups of the block did not exist
This commit is contained in:
Bananymous
2026-01-01 18:28:31 +02:00
parent 33b6536e6b
commit 941e8aa5d5
2 changed files with 110 additions and 133 deletions
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6
kernel/include/kernel/FS/Ext2/Inode.h
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@@ -61,8 +61,8 @@ namespace Kernel
// NOTE: the inode might have more blocks than what this suggests if it has been shrinked
uint32_t max_used_data_block_count() const { return size() / blksize(); }
BAN::ErrorOr<BAN::Optional<uint32_t>> block_from_indirect_block(uint32_t block, uint32_t index, uint32_t depth);
BAN::ErrorOr<BAN::Optional<uint32_t>> fs_block_of_data_block_index(uint32_t data_block_index);
BAN::ErrorOr<BAN::Optional<uint32_t>> block_from_indirect_block(uint32_t& block, uint32_t index, uint32_t depth, bool allocate);
BAN::ErrorOr<BAN::Optional<uint32_t>> fs_block_of_data_block_index(uint32_t data_block_index, bool allocate);
BAN::ErrorOr<void> link_inode_to_directory(Ext2Inode&, BAN::StringView name);
BAN::ErrorOr<void> remove_inode_from_directory(BAN::StringView name, bool cleanup_directory);
@@ -72,8 +72,6 @@ namespace Kernel
BAN::ErrorOr<void> cleanup_default_links();
BAN::ErrorOr<void> cleanup_from_fs();
BAN::ErrorOr<uint32_t> allocate_new_block_to_indirect_block(uint32_t& block, uint32_t index, uint32_t depth);
BAN::ErrorOr<uint32_t> allocate_new_block(uint32_t data_block_index);
BAN::ErrorOr<void> sync();
uint32_t block_group() const;