From: Andrew Vasquez Date: Wed, 29 Apr 2009 18:12:39 +0000 (-0500) Subject: [SCSI] fc-transport: Close state transition-window during rport deletion. X-Git-Tag: v2.6.30-rc7~1^2~4 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a1a69a1f41cbefebf3172761f197db6aba71e68;p=pandora-kernel.git [SCSI] fc-transport: Close state transition-window during rport deletion. Andrew Vasquez wrote: > fc-transport: Close state transition-window during rport deletion. > > After an rport's state has transitioned to FC_PORTSTATE_BLOCKED, > but, prior to making the upcall to 'block' the scsi-target > associated with an rport, queued commands can recycle and > ultimately run out of retries causing failures to propagate to > upper-level drivers. Close this transition-window by returning > the non-'retries' modifying DID_IMM_RETRY status for submitted > I/Os. The same can happen for iscsi when transitioning from logged in to failed and blocking the sdevs. This patch converts iscsi and fc's transitions back to use DID_IMM_RETRY instead of DID_TRANSPORT_DISRUPTED which has a limited number of retries that we do not want to use for handling this race. Signed-off-by: Andrew Vasquez [Addition of iscsi and fc port online devloss case conversion by Mike Christie] Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- Reading git-diff-tree failed