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mount: Separate mounting by line into a new function

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This commit is contained in:
Tim Schumacher 2022-06-30 19:09:46 +02:00 • committed by Linus Groh
parent 6453f74642
commit e04155475d
Notes: sideshowbarker 2024-07-17 09:36:31 +09:00
1 changed files with 37 additions and 31 deletions
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68
Userland/Utilities/mount.cpp
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@ -64,6 +64,42 @@ static int get_source_fd(StringView source)
return fd_or_error.release_value();
}
static bool mount_by_line(String const& line)
{
// Skip comments and blank lines.
if (line.is_empty() || line.starts_with("#"))
return true;
Vector<String> parts = line.split('\t');
if (parts.size() < 3) {
warnln("Invalid fstab entry: {}", line);
return false;
}
auto mountpoint = parts[1];
auto fstype = parts[2];
int flags = parts.size() >= 4 ? parse_options(parts[3]) : 0;
if (mountpoint == "/") {
dbgln("Skipping mounting root");
return true;
}
auto filename = parts[0];
int fd = get_source_fd(filename);
dbgln("Mounting {} ({}) on {}", filename, fstype, mountpoint);
auto error_or_void = Core::System::mount(fd, mountpoint, fstype, flags);
if (error_or_void.is_error()) {
warnln("Failed to mount {} (FD: {}) ({}) on {}: {}", filename, fd, fstype, mountpoint, strerror(errno));
return false;
}
return true;
}
static ErrorOr<void> mount_all()
{
// Mount all filesystems listed in /etc/fstab.
@ -75,38 +111,8 @@ static ErrorOr<void> mount_all()
while (fstab->can_read_line()) {
auto line = fstab->read_line();
// Skip comments and blank lines.
if (line.is_empty() || line.starts_with("#"))
continue;
Vector<String> parts = line.split('\t');
if (parts.size() < 3) {
warnln("Invalid fstab entry: {}", line);
if (!mount_by_line(line))
all_ok = false;
continue;
}
auto mountpoint = parts[1];
auto fstype = parts[2];
int flags = parts.size() >= 4 ? parse_options(parts[3]) : 0;
if (mountpoint == "/") {
dbgln("Skipping mounting root");
continue;
}
auto filename = parts[0];
int fd = get_source_fd(filename);
dbgln("Mounting {} ({}) on {}", filename, fstype, mountpoint);
auto error_or_void = Core::System::mount(fd, mountpoint, fstype, flags);
if (error_or_void.is_error()) {
warnln("Failed to mount {} (FD: {}) ({}) on {}: {}", filename, fd, fstype, mountpoint, strerror(errno));
all_ok = false;
continue;
}
}
if (all_ok)