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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
84 lines
1.5 KiB
C++
84 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Assertions.h>
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#include <AK/HashMap.h>
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#include <AK/Singleton.h>
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#include <AK/StringBuilder.h>
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#include <AK/StringView.h>
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#include <Kernel/FileSystem/FileSystem.h>
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#include <Kernel/FileSystem/Inode.h>
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#include <Kernel/Net/LocalSocket.h>
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#include <Kernel/VM/MemoryManager.h>
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#include <LibC/errno_numbers.h>
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namespace Kernel {
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static u32 s_lastFileSystemID;
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static AK::Singleton<HashMap<u32, FS*>> s_fs_map;
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static HashMap<u32, FS*>& all_fses()
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{
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return *s_fs_map;
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}
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FS::FS()
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: m_fsid(++s_lastFileSystemID)
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{
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all_fses().set(m_fsid, this);
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}
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FS::~FS()
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{
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all_fses().remove(m_fsid);
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}
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FS* FS::from_fsid(u32 id)
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{
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auto it = all_fses().find(id);
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if (it != all_fses().end())
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return (*it).value;
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return nullptr;
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}
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FS::DirectoryEntryView::DirectoryEntryView(const StringView& n, InodeIdentifier i, u8 ft)
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: name(n)
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, inode(i)
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, file_type(ft)
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{
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}
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void FS::sync()
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{
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Inode::sync();
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NonnullRefPtrVector<FS, 32> fses;
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{
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InterruptDisabler disabler;
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for (auto& it : all_fses())
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fses.append(*it.value);
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}
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for (auto& fs : fses)
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fs.flush_writes();
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}
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void FS::lock_all()
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{
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for (auto& it : all_fses()) {
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it.value->m_lock.lock();
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}
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}
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void FS::set_block_size(size_t block_size)
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{
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VERIFY(block_size > 0);
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if (block_size == m_block_size)
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return;
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m_block_size = block_size;
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}
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}
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