From: Kevin Wolf <kw...@redhat.com>
We have an errno value that can be displayed, so we should just do that.
An easy way to reproduce this case is to resize a raw image to a size
that is too large for the host file system.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
blockdev.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/blockdev.c b/blockdev.c
index 6e293e9..7c9d8dd 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1118,6 +1118,7 @@ int do_drive_del(Monitor *mon, const QDict *qdict,
QObject **ret_data)
void qmp_block_resize(const char *device, int64_t size, Error **errp)
{
BlockDriverState *bs;
+ int ret;
bs = bdrv_find(device);
if (!bs) {
@@ -1133,7 +1134,8 @@ void qmp_block_resize(const char *device, int64_t size,
Error **errp)
/* complete all in-flight operations before resizing the device */
bdrv_drain_all();
- switch (bdrv_truncate(bs, size)) {
+ ret = bdrv_truncate(bs, size);
+ switch (ret) {
case 0:
break;
case -ENOMEDIUM:
@@ -1149,7 +1151,7 @@ void qmp_block_resize(const char *device, int64_t size,
Error **errp)
error_set(errp, QERR_DEVICE_IN_USE, device);
break;
default:
- error_set(errp, QERR_UNDEFINED_ERROR);
+ error_setg_errno(errp, -ret, "Could not resize");
break;
}
}
--
1.8.1.4
