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Diffstat (limited to 'hw')
-rw-r--r--hw/block/xen-block.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
index 83754a4..674953f 100644
--- a/hw/block/xen-block.c
+++ b/hw/block/xen-block.c
@@ -728,6 +728,8 @@ static XenBlockDrive *xen_block_drive_create(const char *id,
XenBlockDrive *drive = NULL;
QDict *file_layer;
QDict *driver_layer;
+ struct stat st;
+ int rc;
if (params) {
char **v = g_strsplit(params, ":", 2);
@@ -761,7 +763,17 @@ static XenBlockDrive *xen_block_drive_create(const char *id,
file_layer = qdict_new();
driver_layer = qdict_new();
- qdict_put_str(file_layer, "driver", "file");
+ rc = stat(filename, &st);
+ if (rc) {
+ error_setg_errno(errp, errno, "Could not stat file '%s'", filename);
+ goto done;
+ }
+ if (S_ISBLK(st.st_mode)) {
+ qdict_put_str(file_layer, "driver", "host_device");
+ } else {
+ qdict_put_str(file_layer, "driver", "file");
+ }
+
qdict_put_str(file_layer, "filename", filename);
g_free(filename);