From: Chuck Lever Date: Fri, 14 Sep 2012 21:23:23 +0000 (-0400) Subject: NFS: Slow down state manager after an unhandled error X-Git-Tag: v3.7-rc1~58^2~49 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ffe5a83005b0d23575ab109755b4cb5518a5d91f;p=pandora-kernel.git NFS: Slow down state manager after an unhandled error If the state manager thread is not actually able to fully recover from some situation, it wakes up waiters, who kick off a new state manager thread. Quite often the fresh invocation of the state manager is just as successful. This results in a livelock as the client dumps thousands of NFS requests a second on the network in a vain attempt to recover. Not very friendly. To mitigate this situation, add a delay in the state manager after an unhandled error, so that the client sends just a few requests every second in this case. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- Reading git-diff-tree failed