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-rw-r--r--drivers/block/rbd.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 3a897a531e9c..cc7c60e8f277 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1038,12 +1038,16 @@ static const char *rbd_segment_name(struct rbd_device *rbd_dev, u64 offset)
char *name;
u64 segment;
int ret;
+ char *name_format;
name = kmem_cache_alloc(rbd_segment_name_cache, GFP_NOIO);
if (!name)
return NULL;
segment = offset >> rbd_dev->header.obj_order;
- ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, "%s.%012llx",
+ name_format = "%s.%012llx";
+ if (rbd_dev->image_format == 2)
+ name_format = "%s.%016llx";
+ ret = snprintf(name, MAX_OBJ_NAME_SIZE + 1, name_format,
rbd_dev->header.object_prefix, segment);
if (ret < 0 || ret > MAX_OBJ_NAME_SIZE) {
pr_err("error formatting segment name for #%llu (%d)\n",