From 6a0b5490338ed0fdf55c43062c88dd7638f05d6d Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Fri, 26 Apr 2013 01:19:52 +0900 Subject: [PATCH] sheepdog: add SD_RES_READONLY result code 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 4326664200..f4e7204c7c 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) {