Re: efivarfs and writev() support

From: Matt Fleming
Date: Wed Mar 11 2015 - 09:42:38 EST

On Sun, 08 Mar, at 03:24:09PM, Marcel Holtmann wrote:
> Hi,
> it seems that efivarfs only supports readv(), but when it comes to
> writev(), I am getting an error. Is there any reason to not support
> vectored write on this filesystem? Especially with the uint32 header
> for each file, I think it would make perfect sense to support it.

What error are you seeing? I thought that the vfs fell back to a looped
write if the file system doesn't support .write_iter()?

But yes, we definitely should support writev().

Matt Fleming, Intel Open Source Technology Center
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