From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40779) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yn71q-0000qc-Qs for qemu-devel@nongnu.org; Tue, 28 Apr 2015 11:02:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yn71m-0002DB-O7 for qemu-devel@nongnu.org; Tue, 28 Apr 2015 11:02:30 -0400 From: Kevin Wolf Date: Tue, 28 Apr 2015 17:00:27 +0200 Message-Id: <1430233258-31807-46-git-send-email-kwolf@redhat.com> In-Reply-To: <1430233258-31807-1-git-send-email-kwolf@redhat.com> References: <1430233258-31807-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 45/76] block/iscsi: increase retry count List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Peter Lieven 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 Message-id: 1429193313-4263-7-git-send-email-pl@kamp.de Signed-off-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- block/iscsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/iscsi.c b/block/iscsi.c index 6033330..5999f74 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -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 -- 1.8.3.1