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authorOlga Kornievskaia <kolga@netapp.com>2020-08-20 18:52:43 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-23 08:44:26 +0200
commitece5598572168dd61b7d876dc2a296311b75683d (patch)
tree5cd0043f33e07e4a55697a5702a143b2c18e9872 /Makefile
parentd28c16e1044c3e24058b3ff45b4c008429ba543a (diff)
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NFSv4.1 handle ERR_DELAY error reclaiming locking state on delegation recall
[ Upstream commit 3d7a9520f0c3e6a68b6de8c5812fc8b6d7a52626 ] A client should be able to handle getting an ERR_DELAY error while doing a LOCK call to reclaim state due to delegation being recalled. This is a transient error that can happen due to server moving its volumes and invalidating its file location cache and upon reference to it during the LOCK call needing to do an expensive lookup (leading to an ERR_DELAY error on a PUTFH). Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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