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From: Marcel Holtmann <marcel@holtmann.org>
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Subject: efivarfs and writev() support
Date: Sun, 8 Mar 2015 15:24:09 -0700
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Cc: linux-efi@vger.kernel.org, Matthew Garrett <matthew.garrett@nebula.com>,
        Jeremy Kerr <jk@ozlabs.org>, Matt Fleming <matt.fleming@intel.com>,
        Al Viro <viro@ZenIV.linux.org.uk>
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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.

Regards

Marcel