Commit 59dd0a22 authored Apr 16, 2015 by Peter Lieven Committed by Kevin Wolf Apr 28, 2015

block/iscsi: increase retry count



The idea is that a command is retried in a BUSY condition
up a time of approx. 60 seconds before it is failed. This should
be far higher than any command timeout in the guest.

Signed-off-by: Peter Lieven <pl@kamp.de>
Message-id: 1429193313-4263-7-git-send-email-pl@kamp.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

parent 73b5394e

block/iscsi.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -103,7 +103,7 @@ typedef struct IscsiAIOCB {
		#define NOP_INTERVAL 5000
		#define MAX_NOP_FAILURES 3
		#define ISCSI_CMD_RETRIES ARRAY_SIZE(iscsi_retry_times)
		static const unsigned iscsi_retry_times[] = {8, 32, 128, 512, 2048};
		static const unsigned iscsi_retry_times[] = {8, 32, 128, 512, 2048, 8192, 32768};

		/* this threshold is a trade-off knob to choose between
		* the potential additional overhead of an extra GET_LBA_STATUS request