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Ext2FS: Propagate errors from more places

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Improve a bunch of situations where we'd previously panic the kernel
on failure. We now propagate whatever error we had instead. Usually
that'll be EIO.
This commit is contained in:
Andreas Kling 2021-02-26 08:35:40 +01:00
parent 6352b4fd74
commit 19083fd760
2 changed files with 64 additions and 34 deletions
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8
Kernel/FileSystem/Ext2FileSystem.h
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@ -140,8 +140,8 @@ private:
virtual void flush_writes() override;
BlockIndex first_block_index() const;
InodeIndex find_a_free_inode(GroupIndex preferred_group = 0);
Vector<BlockIndex> allocate_blocks(GroupIndex preferred_group_index, size_t count);
KResultOr<InodeIndex> find_a_free_inode(GroupIndex preferred_group = 0);
KResultOr<Vector<BlockIndex>> allocate_blocks(GroupIndex preferred_group_index, size_t count);
GroupIndex group_index_from_inode(InodeIndex) const;
GroupIndex group_index_from_block_index(BlockIndex) const;
@ -149,7 +149,7 @@ private:
Vector<BlockIndex> block_list_for_inode(const ext2_inode&, bool include_block_list_blocks = false) const;
KResult write_block_list_for_inode(InodeIndex, ext2_inode&, const Vector<BlockIndex>&);
bool get_inode_allocation_state(InodeIndex) const;
KResultOr<bool> get_inode_allocation_state(InodeIndex) const;
KResult set_inode_allocation_state(InodeIndex, bool);
KResult set_block_allocation_state(BlockIndex, bool);
@ -188,7 +188,7 @@ private:
Bitmap bitmap(u32 blocks_per_group) { return Bitmap::wrap(buffer.data(), blocks_per_group); }
};
CachedBitmap& get_bitmap_block(BlockIndex);
KResultOr<CachedBitmap*> get_bitmap_block(BlockIndex);
KResult update_bitmap_block(BlockIndex bitmap_block, size_t bit_index, bool new_state, u32& super_block_counter, u16& group_descriptor_counter);
Vector<OwnPtr<CachedBitmap>> m_cached_bitmaps;