forked from Bananymous/banan-os
40 lines
851 B
C++
40 lines
851 B
C++
#pragma once
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#include <BAN/HashMap.h>
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#include <kernel/FS/FileSystem.h>
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#include <kernel/SpinLock.h>
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namespace Kernel
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{
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class RamInode;
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class RamFileSystem final : public FileSystem
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{
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public:
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static BAN::ErrorOr<RamFileSystem*> create(size_t size, mode_t, uid_t, gid_t);
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~RamFileSystem() = default;
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virtual BAN::RefPtr<Inode> root_inode() override { return m_inodes[m_root_inode]; }
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BAN::ErrorOr<void> add_inode(BAN::RefPtr<RamInode>);
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BAN::ErrorOr<BAN::RefPtr<RamInode>> get_inode(ino_t);
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blksize_t blksize() const { return m_blksize; }
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ino_t next_ino() { return m_next_ino++; }
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private:
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RamFileSystem() = default;
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private:
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SpinLock m_lock;
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size_t m_size { 0 };
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BAN::HashMap<ino_t, BAN::RefPtr<RamInode>> m_inodes;
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ino_t m_root_inode;
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const blksize_t m_blksize = PAGE_SIZE;
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ino_t m_next_ino { 1 };
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};
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} |