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Kernel+Userland: Split bind-mounting and re-mounting from mount syscall
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.
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parent
04b44a827a
commit
0bbd9040ef
10 changed files with 204 additions and 42 deletions
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@ -232,6 +232,33 @@ ErrorOr<void> ptrace_peekbuf(pid_t tid, void const* tracee_addr, Bytes destinati
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HANDLE_SYSCALL_RETURN_VALUE("ptrace_peekbuf", rc, {});
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}
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ErrorOr<void> bindmount(int source_fd, StringView target, int flags)
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{
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if (target.is_null())
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return Error::from_errno(EFAULT);
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Syscall::SC_bindmount_params params {
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{ target.characters_without_null_termination(), target.length() },
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source_fd,
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flags,
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};
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int rc = syscall(SC_bindmount, ¶ms);
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HANDLE_SYSCALL_RETURN_VALUE("bindmount", rc, {});
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}
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ErrorOr<void> remount(StringView target, int flags)
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{
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if (target.is_null())
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return Error::from_errno(EFAULT);
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Syscall::SC_remount_params params {
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{ target.characters_without_null_termination(), target.length() },
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flags
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};
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int rc = syscall(SC_remount, ¶ms);
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HANDLE_SYSCALL_RETURN_VALUE("remount", rc, {});
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}
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ErrorOr<void> mount(int source_fd, StringView target, StringView fs_type, int flags)
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{
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if (target.is_null() || fs_type.is_null())
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