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Get rid of Vnode concept.

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We already have an abstraction between Process and Inode/CharacterDevice/FIFO
and it's called FileDescriptor. :^)
This commit is contained in:
Andreas Kling
2019-01-16 12:57:07 +01:00
parent 310a5f4199
commit b46ae2bf09
15 changed files with 204 additions and 376 deletions
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29
Kernel/ProcFileSystem.cpp
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@@ -354,29 +354,16 @@ ByteBuffer procfs$summary()
return buffer;
}
ByteBuffer procfs$vnodes()
ByteBuffer procfs$inodes()
{
extern HashTable<Inode*>& all_inodes();
auto& vfs = VFS::the();
auto buffer = ByteBuffer::create_uninitialized(vfs.m_max_vnode_count * 256);
auto buffer = ByteBuffer::create_uninitialized(all_inodes().size() * 256);
char* ptr = (char*)buffer.pointer();
for (size_t i = 0; i < vfs.m_max_vnode_count; ++i) {
auto& vnode = vfs.m_nodes[i];
// FIXME: Retain the vnode while inspecting it.
if (!vnode.inUse())
continue;
String path;
if (vnode.core_inode())
path = vfs.absolute_path(*vnode.core_inode());
if (path.is_empty()) {
if (auto* dev = vnode.characterDevice()) {
if (dev->is_tty())
path = static_cast<const TTY*>(dev)->tty_name();
}
}
ptr += ksprintf(ptr, "vnode %03u: %02u:%08u (%u) %s", i, vnode.inode.fsid(), vnode.inode.index(), vnode.retain_count(), path.characters());
if (vnode.characterDevice())
ptr += ksprintf(ptr, " (chardev: %p)", vnode.characterDevice());
ptr += ksprintf(ptr, "\n");
for (auto it : all_inodes()) {
RetainPtr<Inode> inode = *it;
String path = vfs.absolute_path(*inode);
ptr += ksprintf(ptr, "Inode{K%x} %02u:%08u (%u) %s\n", inode.ptr(), inode->fsid(), inode->index(), inode->retain_count(), path.characters());
}
*ptr = '\0';
buffer.trim(ptr - (char*)buffer.pointer());
@@ -392,7 +379,7 @@ bool ProcFS::initialize()
add_file(create_generated_file("kmalloc", procfs$kmalloc));
add_file(create_generated_file("summary", procfs$summary));
add_file(create_generated_file("cpuinfo", procfs$cpuinfo));
add_file(create_generated_file("vnodes", procfs$vnodes));
add_file(create_generated_file("inodes", procfs$inodes));
return true;
}