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Kernel/FileSystem: Add the DevLoopFS filesystem

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Similarly to DevPtsFS, this filesystem is about exposing loop device
nodes easily in /dev/loop, so userspace doesn't need to do anything in
order to use new devices immediately.
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Liav A 2024-02-09 15:30:09 +02:00 • committed by Andrew Kaster
parent 11ead5c84f
commit 0d2e4a7e67
6 changed files with 292 additions and 0 deletions
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2
Kernel/FileSystem/VirtualFileSystem.cpp
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@ -25,6 +25,7 @@
#include <Kernel/Sections.h>
#include <Kernel/Tasks/Process.h>
#include <Kernel/FileSystem/DevLoopFS/FileSystem.h>
#include <Kernel/FileSystem/DevPtsFS/FileSystem.h>
#include <Kernel/FileSystem/Ext2FS/FileSystem.h>
#include <Kernel/FileSystem/FATFS/FileSystem.h>
@ -68,6 +69,7 @@ static constexpr FileSystemInitializer s_initializers[] = {
{ "9p"sv, "Plan9FS"sv, true, true, true, Plan9FS::try_create, {}, handle_mount_boolean_flag_as_invalid, handle_mount_unsigned_integer_flag_as_invalid, handle_mount_signed_integer_flag_as_invalid, handle_mount_ascii_string_flag_as_invalid },
{ "iso9660"sv, "ISO9660FS"sv, true, true, true, ISO9660FS::try_create, {}, handle_mount_boolean_flag_as_invalid, handle_mount_unsigned_integer_flag_as_invalid, handle_mount_signed_integer_flag_as_invalid, handle_mount_ascii_string_flag_as_invalid },
{ "fat"sv, "FATFS"sv, true, true, true, FATFS::try_create, {}, handle_mount_boolean_flag_as_invalid, handle_mount_unsigned_integer_flag_as_invalid, handle_mount_signed_integer_flag_as_invalid, handle_mount_ascii_string_flag_as_invalid },
{ "devloop"sv, "DevLoopFS"sv, false, false, false, {}, DevLoopFS::try_create, handle_mount_boolean_flag_as_invalid, handle_mount_unsigned_integer_flag_as_invalid, handle_mount_signed_integer_flag_as_invalid, handle_mount_ascii_string_flag_as_invalid },
};
ErrorOr<FileSystemInitializer const*> VirtualFileSystem::find_filesystem_type_initializer(StringView fs_type)