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Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/rbd.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index b51f1c997c1d..2f1bef8c1d88 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2241,7 +2241,7 @@ static int rbd_dev_v2_features(struct rbd_device *rbd_dev)
&rbd_dev->header.features);
}
-static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev)
+static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev, u64 *ver)
{
size_t size;
int ret;
@@ -2269,7 +2269,7 @@ static int rbd_dev_v2_snap_context(struct rbd_device *rbd_dev)
"rbd", "get_snapcontext",
NULL, 0,
reply_buf, size,
- CEPH_OSD_FLAG_READ, NULL);
+ CEPH_OSD_FLAG_READ, ver);
dout("%s: rbd_req_sync_exec returned %d\n", __func__, ret);
if (ret < 0)
goto out;
@@ -2906,6 +2906,7 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev)
{
size_t size;
int ret;
+ u64 ver = 0;
/*
* Image id was filled in by the caller. Record the header
@@ -2936,11 +2937,18 @@ static int rbd_dev_v2_probe(struct rbd_device *rbd_dev)
if (ret < 0)
goto out_err;
- /* Get the snapshot context */
+ /* crypto and compression type aren't (yet) supported for v2 images */
+
+ rbd_dev->header.crypt_type = 0;
+ rbd_dev->header.comp_type = 0;
- ret = rbd_dev_v2_snap_context(rbd_dev);
+ /* Get the snapshot context, plus the header version */
+
+ ret = rbd_dev_v2_snap_context(rbd_dev, &ver);
if (ret)
goto out_err;
+ rbd_dev->header.obj_version = ver;
+
rbd_dev->image_format = 2;
dout("discovered version 2 image, header name is %s\n",