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SystemServer: Rename devfs => devtmpfs

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We used to have a static devfs, but now it's called devtmpfs which is
completely dynamic.
This commit is contained in:
Liav A 2021-12-20 11:13:52 +02:00 • committed by Linus Groh
parent b1ca39411b
commit eaad77b286
1 changed files with 31 additions and 31 deletions
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62
Userland/Services/SystemServer/main.cpp
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@ -126,13 +126,13 @@ inline char offset_character_with_number(char base_char, u8 offset)
return offsetted_char;
}
static void create_devfs_block_device(String name, mode_t mode, unsigned major, unsigned minor)
static void create_devtmpfs_block_device(String name, mode_t mode, unsigned major, unsigned minor)
{
if (auto rc = mknod(name.characters(), mode | S_IFBLK, makedev(major, minor)); rc < 0)
VERIFY_NOT_REACHED();
}
static void populate_devfs_block_devices()
static void populate_devtmpfs_block_devices()
{
Core::DirIterator di("/sys/dev/block/", Core::DirIterator::SkipParentAndBaseDir);
if (di.has_error()) {
@ -146,15 +146,15 @@ static void populate_devfs_block_devices()
auto minor_number = entry_name[1].to_uint<unsigned>().value();
switch (major_number) {
case 29: {
create_devfs_block_device(String::formatted("/dev/fb{}", minor_number), 0666, 29, minor_number);
create_devtmpfs_block_device(String::formatted("/dev/fb{}", minor_number), 0666, 29, minor_number);
break;
}
case 30: {
create_devfs_block_device(String::formatted("/dev/kcov{}", minor_number), 0666, 30, minor_number);
create_devtmpfs_block_device(String::formatted("/dev/kcov{}", minor_number), 0666, 30, minor_number);
break;
}
case 3: {
create_devfs_block_device(String::formatted("/dev/hd{}", offset_character_with_number('a', minor_number)), 0600, 3, minor_number);
create_devtmpfs_block_device(String::formatted("/dev/hd{}", offset_character_with_number('a', minor_number)), 0600, 3, minor_number);
break;
}
default:
@ -164,13 +164,13 @@ static void populate_devfs_block_devices()
}
}
static void create_devfs_char_device(String name, mode_t mode, unsigned major, unsigned minor)
static void create_devtmpfs_char_device(String name, mode_t mode, unsigned major, unsigned minor)
{
if (auto rc = mknod(name.characters(), mode | S_IFCHR, makedev(major, minor)); rc < 0)
VERIFY_NOT_REACHED();
}
static void populate_devfs_char_devices()
static void populate_devtmpfs_char_devices()
{
Core::DirIterator di("/sys/dev/char/", Core::DirIterator::SkipParentAndBaseDir);
if (di.has_error()) {
@ -186,7 +186,7 @@ static void populate_devfs_char_devices()
case 42: {
switch (minor_number) {
case 42: {
create_devfs_char_device("/dev/audio", 0220, 42, 42);
create_devtmpfs_char_device("/dev/audio", 0220, 42, 42);
break;
}
default:
@ -197,7 +197,7 @@ static void populate_devfs_char_devices()
case 29: {
switch (minor_number) {
case 0: {
create_devfs_char_device("/dev/full", 0660, 29, 0);
create_devtmpfs_char_device("/dev/full", 0660, 29, 0);
break;
}
default:
@ -206,17 +206,17 @@ static void populate_devfs_char_devices()
break;
}
case 229: {
create_devfs_char_device(String::formatted("/dev/hvc0p{}", minor_number), 0666, major_number, minor_number);
create_devtmpfs_char_device(String::formatted("/dev/hvc0p{}", minor_number), 0666, major_number, minor_number);
break;
}
case 10: {
switch (minor_number) {
case 0: {
create_devfs_char_device("/dev/mouse0", 0660, 10, 0);
create_devtmpfs_char_device("/dev/mouse0", 0660, 10, 0);
break;
}
case 183: {
create_devfs_char_device("/dev/hwrng", 0660, 10, 183);
create_devtmpfs_char_device("/dev/hwrng", 0660, 10, 183);
break;
}
default:
@ -227,7 +227,7 @@ static void populate_devfs_char_devices()
case 85: {
switch (minor_number) {
case 0: {
create_devfs_char_device("/dev/keyboard0", 0660, 85, 0);
create_devtmpfs_char_device("/dev/keyboard0", 0660, 85, 0);
break;
}
default:
@ -238,19 +238,19 @@ static void populate_devfs_char_devices()
case 1: {
switch (minor_number) {
case 5: {
create_devfs_char_device("/dev/zero", 0666, 1, 5);
create_devtmpfs_char_device("/dev/zero", 0666, 1, 5);
break;
}
case 1: {
create_devfs_char_device("/dev/mem", 0660, 1, 1);
create_devtmpfs_char_device("/dev/mem", 0660, 1, 1);
break;
}
case 3: {
create_devfs_char_device("/dev/null", 0666, 1, 3);
create_devtmpfs_char_device("/dev/null", 0666, 1, 3);
break;
}
case 8: {
create_devfs_char_device("/dev/random", 0666, 1, 8);
create_devtmpfs_char_device("/dev/random", 0666, 1, 8);
break;
}
default:
@ -262,11 +262,11 @@ static void populate_devfs_char_devices()
case 5: {
switch (minor_number) {
case 1: {
create_devfs_char_device("/dev/console", 0666, 5, 1);
create_devtmpfs_char_device("/dev/console", 0666, 5, 1);
break;
}
case 2: {
create_devfs_char_device("/dev/ptmx", 0666, 5, 2);
create_devtmpfs_char_device("/dev/ptmx", 0666, 5, 2);
break;
}
default:
@ -277,35 +277,35 @@ static void populate_devfs_char_devices()
case 4: {
switch (minor_number) {
case 0: {
create_devfs_char_device("/dev/tty0", 0620, 4, 0);
create_devtmpfs_char_device("/dev/tty0", 0620, 4, 0);
break;
}
case 1: {
create_devfs_char_device("/dev/tty1", 0620, 4, 1);
create_devtmpfs_char_device("/dev/tty1", 0620, 4, 1);
break;
}
case 2: {
create_devfs_char_device("/dev/tty2", 0620, 4, 2);
create_devtmpfs_char_device("/dev/tty2", 0620, 4, 2);
break;
}
case 3: {
create_devfs_char_device("/dev/tty3", 0620, 4, 3);
create_devtmpfs_char_device("/dev/tty3", 0620, 4, 3);
break;
}
case 64: {
create_devfs_char_device("/dev/ttyS0", 0620, 4, 64);
create_devtmpfs_char_device("/dev/ttyS0", 0620, 4, 64);
break;
}
case 65: {
create_devfs_char_device("/dev/ttyS1", 0620, 4, 65);
create_devtmpfs_char_device("/dev/ttyS1", 0620, 4, 65);
break;
}
case 66: {
create_devfs_char_device("/dev/ttyS2", 0620, 4, 66);
create_devtmpfs_char_device("/dev/ttyS2", 0620, 4, 66);
break;
}
case 67: {
create_devfs_char_device("/dev/ttyS3", 0666, 4, 67);
create_devtmpfs_char_device("/dev/ttyS3", 0666, 4, 67);
break;
}
default:
@ -320,12 +320,12 @@ static void populate_devfs_char_devices()
}
}
static void populate_devfs()
static void populate_devtmpfs()
{
mode_t old_mask = umask(0);
printf("Changing umask %#o\n", old_mask);
populate_devfs_char_devices();
populate_devfs_block_devices();
populate_devtmpfs_char_devices();
populate_devtmpfs_block_devices();
umask(old_mask);
}
@ -341,7 +341,7 @@ static ErrorOr<void> prepare_synthetic_filesystems()
TRY(Core::System::symlink("/proc/self/fd/2", "/dev/stderr"));
TRY(Core::System::symlink("/proc/self/tty", "/dev/tty"));
populate_devfs();
populate_devtmpfs();
TRY(Core::System::mkdir("/dev/pts", 0755));