From: J. Bruce Fields <bfields@redhat.com>
Date: Mon, 10 Mar 2014 16:19:10 +0000 (-0400)
Subject: nfsd4: don't try to encode conflicting owner if low on space
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~67^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c7424cff6bd33459945646cfcbf6dc6c899ab24;p=pandora-kernel.git

nfsd4: don't try to encode conflicting owner if low on space

I ran into this corner case in testing: in theory clients can provide
state owners up to 1024 bytes long.  In the sessions case there might be
a risk of this pushing us over the DRC slot size.

The conflicting owner isn't really that important, so let's humor a
client that provides a small maxresponsize_cached by allowing ourselves
to return without the conflicting owner instead of outright failing the
operation.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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