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Kernel: Rename DevFS => DevTmpFS

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The current implementation of DevFS resembles the linux devtmpfs, and
not the traditional DevFS, so let's rename it to better represent the
direction of the development in regard to this filesystem.

The abbreviation for DevTmpFS is still "dev", because it doesn't add
value as a commandline option to make it longer.

In quick summary - DevFS in unix OSes is simply a static filesystem, so
device nodes are generated and removed by the kernel code. DevTmpFS
is a "modern reinvention" of the DevFS, so it is much more like a TmpFS
in the sense that not only it's stored entirely in RAM, but the userland
is responsible to add and remove devices nodes as it sees fit, and no
kernel code is directly being involved to keep the filesystem in sync.
This commit is contained in:
Liav A 2021-08-14 16:28:09 +03:00 • committed by Andreas Kling
parent 750ca2190b
commit 3d5ddbab74
5 changed files with 110 additions and 108 deletions
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6
Kernel/Syscalls/mount.cpp
View file

@ -5,8 +5,8 @@
*/
#include <Kernel/FileSystem/Custody.h>
#include <Kernel/FileSystem/DevFS.h>
#include <Kernel/FileSystem/DevPtsFS.h>
#include <Kernel/FileSystem/DevTmpFS.h>
#include <Kernel/FileSystem/Ext2FileSystem.h>
#include <Kernel/FileSystem/ISO9660FileSystem.h>
#include <Kernel/FileSystem/Plan9FileSystem.h>
@ -82,8 +82,8 @@ KResultOr<FlatPtr> Process::sys$mount(Userspace<const Syscall::SC_mount_params*>
fs = TRY(ProcFS::try_create());
} else if (fs_type == "devpts"sv || fs_type == "DevPtsFS"sv) {
fs = TRY(DevPtsFS::try_create());
} else if (fs_type == "dev"sv || fs_type == "DevFS"sv) {
fs = TRY(DevFS::try_create());
} else if (fs_type == "dev"sv || fs_type == "DevTmpFS"sv) {
fs = TRY(DevTmpFS::try_create());
} else if (fs_type == "sys"sv || fs_type == "SysFS"sv) {
fs = TRY(SysFS::try_create());
} else if (fs_type == "tmp"sv || fs_type == "TmpFS"sv) {