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feat(filesystem): 引入Umount系统调用 (#719)
* feat(filesystem): 引入Umount系统调用 * 将所有ENOSYS误用更正 * 修复了一个使同一个挂载点可以挂载2个文件系统的bug * 统一注释,增强程序稳定性,统一接口。注意:Umount时在fatfs的路径要使用大写,此受限于当前文件系统设计。
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@ -419,7 +419,7 @@ impl Vcpu for VmxVcpu {
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}
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Err(e) => {
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kdebug!("[-] CPU does not support Intel VMX: {:?}", e);
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return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
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return Err(SystemError::ENOSYS);
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}
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};
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@ -429,7 +429,7 @@ impl Vcpu for VmxVcpu {
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}
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Err(_) => {
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kdebug!("[-] VMX operation is not supported on this processor.");
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return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
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return Err(SystemError::ENOSYS);
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}
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}
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@ -574,12 +574,12 @@ pub fn has_intel_vmx_support() -> Result<(), SystemError> {
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let cpuid = CpuId::new();
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if let Some(vi) = cpuid.get_vendor_info() {
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if vi.as_str() != "GenuineIntel" {
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return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
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return Err(SystemError::ENOSYS);
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}
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}
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if let Some(fi) = cpuid.get_feature_info() {
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if !fi.has_vmx() {
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return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
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return Err(SystemError::ENOSYS);
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}
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}
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Ok(())
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