RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-01 06:02:07 +00:00
Code Issues Activity Actions

Kernel: Change Ext2FS to be backed by a file instead of a block device

Browse source 
In contrast to the previous patchset that was reverted, this time we use
a "special" method to access a file with block size of 512 bytes (like
a harddrive essentially).
This commit is contained in:
Liav A 2020-04-06 11:54:21 +03:00 • committed by Andreas Kling
parent 1d6c8724b9
commit ecee76b741
10 changed files with 104 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Kernel/FileSystem/ProcFS.cpp
View file

@ -35,7 +35,7 @@
#include <Kernel/Arch/i386/CPU.h>
#include <Kernel/Devices/BlockDevice.h>
#include <Kernel/FileSystem/Custody.h>
#include <Kernel/FileSystem/DiskBackedFileSystem.h>
#include <Kernel/FileSystem/FileBackedFileSystem.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Heap/kmalloc.h>
@ -746,10 +746,10 @@ Optional<KBuffer> procfs$df(InodeIdentifier)
fs_object.add("readonly", fs.is_readonly());
fs_object.add("mount_flags", mount.flags());
if (fs.is_disk_backed())
fs_object.add("device", static_cast<const DiskBackedFS&>(fs).device().absolute_path());
if (fs.is_file_backed())
fs_object.add("source", static_cast<const FileBackedFS&>(fs).file_description().absolute_path());
else
fs_object.add("device", fs.class_name());
fs_object.add("source", fs.class_name());
});
array.finish();
return builder.build();