diff mbox series

[v2,16/16] rbd: add support for feature of RBD_FEATURE_JOURNALING

Message ID 1552900534-29026-17-git-send-email-dongsheng.yang@easystack.cn (mailing list archive)
State New, archived
Headers show
Series rbd journaling feature | expand

Commit Message

Dongsheng Yang March 18, 2019, 9:15 a.m. UTC 
Allow user to map rbd images with journaling enabled, but
there is a warning in demsg:

	WARNING: kernel journaling is EXPERIMENTAL!

Signed-off-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
---
 drivers/block/rbd.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 6f31734..db6ca79 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -118,12 +118,14 @@  static int atomic_dec_return_safe(atomic_t *v)
 #define RBD_FEATURE_LAYERING		(1ULL<<0)
 #define RBD_FEATURE_STRIPINGV2		(1ULL<<1)
 #define RBD_FEATURE_EXCLUSIVE_LOCK	(1ULL<<2)
+#define RBD_FEATURE_JOURNALING          (1ULL<<6)
 #define RBD_FEATURE_DATA_POOL		(1ULL<<7)
 #define RBD_FEATURE_OPERATIONS		(1ULL<<8)
 
 #define RBD_FEATURES_ALL	(RBD_FEATURE_LAYERING |		\
 				 RBD_FEATURE_STRIPINGV2 |	\
 				 RBD_FEATURE_EXCLUSIVE_LOCK |	\
+				 RBD_FEATURE_JOURNALING |	\
 				 RBD_FEATURE_DATA_POOL |	\
 				 RBD_FEATURE_OPERATIONS)
 
@@ -6437,6 +6439,11 @@  static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
 				 "WARNING: kernel layering is EXPERIMENTAL!");
 	}
 
+	if (rbd_dev->header.features & RBD_FEATURE_JOURNALING) {
+		rbd_warn(rbd_dev,
+			 "WARNING: kernel journaling is EXPERIMENTAL!");
+	}
+
 	ret = rbd_dev_probe_parent(rbd_dev, depth);
 	if (ret)
 		goto err_out_probe;