RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 13:57:35 +00:00
Code Issues Activity Actions

Kernel+Userland: Split bind-mounting and re-mounting from mount syscall

Browse source 
These 2 are an actual separate types of syscalls, so let's stop using
special flags for bind mounting or re-mounting and instead let userspace
calling directly for this kind of actions.
This commit is contained in:
Liav A 2023-02-25 19:30:28 +02:00 • committed by Andrew Kaster
parent 04b44a827a
commit 0bbd9040ef
10 changed files with 204 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Userland/Libraries/LibCore/System.cpp
View file

@ -232,6 +232,33 @@ ErrorOr<void> ptrace_peekbuf(pid_t tid, void const* tracee_addr, Bytes destinati
HANDLE_SYSCALL_RETURN_VALUE("ptrace_peekbuf", rc, {});
}
ErrorOr<void> bindmount(int source_fd, StringView target, int flags)
{
if (target.is_null())
return Error::from_errno(EFAULT);
Syscall::SC_bindmount_params params {
{ target.characters_without_null_termination(), target.length() },
source_fd,
flags,
};
int rc = syscall(SC_bindmount, &params);
HANDLE_SYSCALL_RETURN_VALUE("bindmount", rc, {});
}
ErrorOr<void> remount(StringView target, int flags)
{
if (target.is_null())
return Error::from_errno(EFAULT);
Syscall::SC_remount_params params {
{ target.characters_without_null_termination(), target.length() },
flags
};
int rc = syscall(SC_remount, &params);
HANDLE_SYSCALL_RETURN_VALUE("remount", rc, {});
}
ErrorOr<void> mount(int source_fd, StringView target, StringView fs_type, int flags)
{
if (target.is_null() || fs_type.is_null())