From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sat, 2 Jun 2012 23:29:45 +0000 (+0100)
Subject: dm mpath: delay retry of bypassed pg
X-Git-Tag: v3.5-rc1~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f220fd4efb334a772f9a14b2372175f38d89355e;p=pandora-kernel.git

dm mpath: delay retry of bypassed pg

If I/O needs retrying and only bypassed priority groups are available,
set the pg_init_delay_retry flag to wait before retrying.

If, for example, the reason for the bypass is that the controller is
getting reset or there is a firmware upgrade happening, retrying right
away would cause a flood of log messages and retries for what could be a
few seconds or even several minutes.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---

Reading git-diff-tree failed