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Kernel/LibC: Implement fsync

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Bananymous
2024-12-02 03:42:49 +02:00
parent cccb4e6d5e
commit 747c3b2a4b
21 changed files with 140 additions and 35 deletions
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4
kernel/include/kernel/Storage/DiskCache.h
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@@ -20,10 +20,14 @@ namespace Kernel
BAN::ErrorOr<void> write_to_cache(uint64_t sector, BAN::ConstByteSpan, bool dirty);
BAN::ErrorOr<void> sync();
BAN::ErrorOr<void> sync(uint64_t sector, size_t sector_count);
size_t release_clean_pages(size_t);
size_t release_pages(size_t);
void release_all_pages();
private:
BAN::ErrorOr<void> sync_cache_index(size_t index);
private:
struct PageCache
{

3
kernel/include/kernel/Storage/Partition.h
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@@ -15,13 +15,14 @@ namespace Kernel
const BAN::GUID& partition_guid() const { return m_guid; }
const BAN::RefPtr<BlockDevice> device() const { return m_device; }
virtual blksize_t blksize() const { return m_device->blksize(); }
virtual blksize_t blksize() const override { return m_device->blksize(); }
BAN::ErrorOr<void> read_sectors(uint64_t first_block, size_t block_count, BAN::ByteSpan buffer) { return read_blocks(first_block, block_count, buffer); }
BAN::ErrorOr<void> write_sectors(uint64_t first_block, size_t block_count, BAN::ConstByteSpan buffer) { return write_blocks(first_block, block_count, buffer); }
virtual BAN::ErrorOr<void> read_blocks(uint64_t first_block, size_t block_count, BAN::ByteSpan) override;
virtual BAN::ErrorOr<void> write_blocks(uint64_t first_block, size_t block_count, BAN::ConstByteSpan) override;
virtual BAN::ErrorOr<void> sync_blocks(uint64_t block, size_t block_count) override;
virtual BAN::StringView name() const override { return m_name; }

3
kernel/include/kernel/Storage/StorageDevice.h
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@@ -21,11 +21,12 @@ namespace Kernel
virtual BAN::ErrorOr<void> read_blocks(uint64_t lba, size_t sector_count, BAN::ByteSpan buffer) override { return read_sectors(lba, sector_count, buffer); }
virtual BAN::ErrorOr<void> write_blocks(uint64_t lba, size_t sector_count, BAN::ConstByteSpan buffer) override { return write_sectors(lba, sector_count, buffer); }
virtual BAN::ErrorOr<void> sync_blocks(uint64_t block, size_t block_count) override;
BAN::ErrorOr<void> read_sectors(uint64_t lba, size_t sector_count, BAN::ByteSpan);
BAN::ErrorOr<void> write_sectors(uint64_t lba, size_t sector_count, BAN::ConstByteSpan);
virtual blksize_t blksize() const { return sector_size(); }
virtual blksize_t blksize() const override { return sector_size(); }
virtual uint32_t sector_size() const = 0;
virtual uint64_t total_size() const = 0;