From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49684) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UVh5l-00006v-7z for qemu-devel@nongnu.org; Fri, 26 Apr 2013 07:45:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UVh5i-0001Ui-CI for qemu-devel@nongnu.org; Fri, 26 Apr 2013 07:45:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:4847) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UVh5h-0001UZ-Ui for qemu-devel@nongnu.org; Fri, 26 Apr 2013 07:45:26 -0400 From: Stefan Hajnoczi Date: Fri, 26 Apr 2013 13:44:36 +0200 Message-Id: <1366976682-10251-17-git-send-email-stefanha@redhat.com> In-Reply-To: <1366976682-10251-1-git-send-email-stefanha@redhat.com> References: <1366976682-10251-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH 08/11] sheepdog: add SD_RES_READONLY result code List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Anthony Liguori , Stefan Hajnoczi , MORITA Kazutaka From: MORITA Kazutaka Sheepdog returns SD_RES_READONLY when qemu sends write requests to the snapshot vdi. This adds the result code and makes sd_strerror() print its error reason. Signed-off-by: MORITA Kazutaka Signed-off-by: Stefan Hajnoczi --- block/sheepdog.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/sheepdog.c b/block/sheepdog.c index 4326664..f4e7204 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -68,6 +68,7 @@ #define SD_RES_WAIT_FOR_JOIN 0x17 /* Waiting for other nodes joining */ #define SD_RES_JOIN_FAILED 0x18 /* Target node had failed to join sheepdog */ #define SD_RES_HALT 0x19 /* Sheepdog is stopped serving IO request */ +#define SD_RES_READONLY 0x1A /* Object is read-only */ /* * Object ID rules @@ -349,6 +350,7 @@ static const char * sd_strerror(int err) {SD_RES_WAIT_FOR_JOIN, "Sheepdog is waiting for other nodes joining"}, {SD_RES_JOIN_FAILED, "Target node had failed to join sheepdog"}, {SD_RES_HALT, "Sheepdog is stopped serving IO request"}, + {SD_RES_READONLY, "Object is read-only"}, }; for (i = 0; i < ARRAY_SIZE(errors); ++i) { -- 1.8.1.4