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Kernel: Ext2 filesystem now holds 10 preallocated block buffers

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Inodes can query blocks from this buffer. This allows allocation of
blocks to not fail during normal operations. Also less stress on
kmalloc.
This commit is contained in:
Bananymous
2023-09-25 14:22:32 +03:00
parent 0e67c6318b
commit 669b2ace4e
4 changed files with 158 additions and 102 deletions
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kernel/include/kernel/FS/Ext2/Inode.h
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@@ -39,7 +39,7 @@ namespace Kernel
virtual BAN::ErrorOr<void> truncate_impl(size_t) override;
private:
BAN::ErrorOr<uint32_t> fs_block_of_data_block_index(uint32_t data_block_index);
uint32_t fs_block_of_data_block_index(uint32_t data_block_index);
BAN::ErrorOr<uint32_t> allocate_new_block();
BAN::ErrorOr<void> sync();