Recently, sheepdog revived its VDI locking functionality. This patch
updates sheepdog driver of QEMU for this feature. It changes an error
code for a case of failed locking. -EBUSY is a suitable one.
Reported-by: Valerio Pachera <siri...@gmail.com>
Cc: Kevin Wolf <kw...@redhat.com>
Cc: Stefan Hajnoczi <stefa...@redhat.com>
Cc: Liu Yuan <namei.u...@gmail.com>
Cc: MORITA Kazutaka <morita.kazut...@gmail.com>
Signed-off-by: Hitoshi Mitake <mitake.hito...@lab.ntt.co.jp>
---
v2:
- don't handle SD_RES_VDI_NOT_LOCKED as a special case
block/sheepdog.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 36f76f0..f08182d 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1115,6 +1115,8 @@ static int find_vdi_name(BDRVSheepdogState *s, const char
*filename,
sd_strerror(rsp->result), filename, snapid, tag);
if (rsp->result == SD_RES_NO_VDI) {
ret = -ENOENT;
+ } else if (rsp->result == SD_RES_VDI_LOCKED) {
+ ret = -EBUSY;
} else {
ret = -EIO;
}
--
1.8.3.2
