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Kernel: Pass a Custody instead of Inode to VFS methods

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VFS no longer deals with inodes in public API, only with custodies and file
descriptions. Talk directly to the file system if you need to operate on a
inode. In most cases you actually want to go though VFS, to get proper
permission check and other niceties. For this to work, you have to provide a
custody, which describes *how* you have opened the inode, not just what the
inode is.
This commit is contained in:
Sergey Bugaev
2020-05-28 17:41:04 +03:00
committed by Andreas Kling
parent a9946a99f2
commit 6af2418de7
3 changed files with 12 additions and 10 deletions
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6
Kernel/FileSystem/InodeFile.cpp
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@@ -100,13 +100,15 @@ KResult InodeFile::truncate(u64 size)
KResult InodeFile::chown(FileDescription& description, uid_t uid, gid_t gid)
{
ASSERT(description.inode() == m_inode);
return VFS::the().chown(*m_inode, uid, gid);
ASSERT(description.custody());
return VFS::the().chown(*description.custody(), uid, gid);
}
KResult InodeFile::chmod(FileDescription& description, mode_t mode)
{
ASSERT(description.inode() == m_inode);
return VFS::the().chmod(*m_inode, mode);
ASSERT(description.custody());
return VFS::the().chmod(*description.custody(), mode);
}
}