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fix(kernel/vfs): 🎉 a complete rewrite of the vfs
This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏
This change required the entire kernel code to be modified.
This commit is contained in:
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Kernel/drivers/fs/ustar/ustar.cpp
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Kernel/drivers/fs/ustar/ustar.cpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <driver.hpp>
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#include <fs/ustar.hpp>
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#include <interface/fs.h>
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#include <memory.hpp>
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#include <debug.h>
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using namespace vfs;
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namespace Driver::UnixStandardTAR
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{
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dev_t DriverID;
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int USTAR_AllocateInode(FileSystemInfo *Info, Inode **Result)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_DeleteInode(FileSystemInfo *Info, Inode *Node)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Synchronize(FileSystemInfo *Info, Inode *Node)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Destroy(FileSystemInfo *Info)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Probe(void *Device)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Mount(FileSystemInfo *FS, Inode **Root, void *Device)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Unmount(FileSystemInfo *FS)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Lookup(Inode *Parent, const char *Name, Inode **Result)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Create(Inode *Parent, const char *Name, mode_t Mode, Inode **Result)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Remove(Inode *Parent, const char *Name)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Rename(Inode *Parent, const char *OldName, const char *NewName)
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{
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assert(!"NOT IMPLEMENTED");
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}
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ssize_t USTAR_Read(Inode *Node, void *Buffer, size_t Size, off_t Offset)
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{
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assert(!"NOT IMPLEMENTED");
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}
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ssize_t USTAR_Write(Inode *Node, const void *Buffer, size_t Size, off_t Offset)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Truncate(Inode *Node, off_t Size)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Open(Inode *Node, int Flags, mode_t Mode)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Close(Inode *Node)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Ioctl(Inode *Node, unsigned long Request, void *Argp)
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{
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assert(!"NOT IMPLEMENTED");
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}
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ssize_t USTAR_ReadDir(Inode *Node, kdirent *Buffer, size_t Size, off_t Offset, off_t Entries)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_MkDir(Inode *Parent, const char *Name, mode_t Mode, Inode **Result)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_RmDir(Inode *Parent, const char *Name)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_SymLink(Inode *Parent, const char *Name, const char *Target, Inode **Result)
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{
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assert(!"NOT IMPLEMENTED");
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}
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ssize_t USTAR_ReadLink(Inode *Node, char *Buffer, size_t Size)
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{
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assert(!"NOT IMPLEMENTED");
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}
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off_t USTAR_Seek(Inode *Node, off_t Offset)
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{
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assert(!"NOT IMPLEMENTED");
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}
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int USTAR_Stat(Inode *Node, kstat *Stat)
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{
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assert(!"NOT IMPLEMENTED");
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}
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static SuperBlockOperations ustarSuperOps = {
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.AllocateInode = USTAR_AllocateInode,
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.DeleteInode = USTAR_DeleteInode,
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.Synchronize = USTAR_Synchronize,
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.Destroy = USTAR_Destroy,
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.Probe = USTAR_Probe,
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.Mount = USTAR_Mount,
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.Unmount = USTAR_Unmount};
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static InodeOperations ustarInodeOps = {
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.Lookup = USTAR_Lookup,
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.Create = USTAR_Create,
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.Remove = USTAR_Remove,
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.Rename = USTAR_Rename,
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.Read = USTAR_Read,
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.Write = USTAR_Write,
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.Truncate = USTAR_Truncate,
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.Open = USTAR_Open,
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.Close = USTAR_Close,
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.Ioctl = USTAR_Ioctl,
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.ReadDir = USTAR_ReadDir,
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.MkDir = USTAR_MkDir,
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.RmDir = USTAR_RmDir,
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.SymLink = USTAR_SymLink,
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.ReadLink = USTAR_ReadLink,
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.Seek = USTAR_Seek,
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.Stat = USTAR_Stat};
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int Entry()
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{
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FileSystemInfo *fsi = new FileSystemInfo;
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fsi->Name = "Unix Standard TAR";
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fsi->SuperOps = ustarSuperOps;
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fsi->Ops = ustarInodeOps;
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v0::RegisterFileSystem(DriverID, fsi);
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return 0;
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}
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int Final() { return 0; }
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int Panic() { return 0; }
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int Probe() { return 0; }
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REGISTER_BUILTIN_DRIVER(ustar,
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"Unix Standard TAR Driver",
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"enderice2",
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1, 0, 0,
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Entry,
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Final,
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Panic,
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Probe);
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}
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