From: Adam Crume <adamcr...@gmail.com>
This fixes Ceph issue 2467: ttp://tracker.ceph.com/issues/2467
[Dropped return r in void function as suggested by Josh Durgin
<josh.dur...@inktank.com>.
--Stefan]
Signed-off-by: Adam Crume <adamcr...@gmail.com>
Reviewed-by: Josh Durgin <josh.dur...@inktank.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Message-id: 1412880272-3154-1-git-send-email-adamcr...@gmail.com
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
block/rbd.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/block/rbd.c b/block/rbd.c
index 47cab8b..5b5a64a 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -887,6 +887,18 @@ static BlockAIOCB* qemu_rbd_aio_discard(BlockDriverState
*bs,
}
#endif
+#ifdef LIBRBD_SUPPORTS_INVALIDATE
+static void qemu_rbd_invalidate_cache(BlockDriverState *bs,
+ Error **errp)
+{
+ BDRVRBDState *s = bs->opaque;
+ int r = rbd_invalidate_cache(s->image);
+ if (r < 0) {
+ error_setg_errno(errp, -r, "Failed to invalidate the cache");
+ }
+}
+#endif
+
static QemuOptsList qemu_rbd_create_opts = {
.name = "rbd-create-opts",
.head = QTAILQ_HEAD_INITIALIZER(qemu_rbd_create_opts.head),
@@ -936,6 +948,9 @@ static BlockDriver bdrv_rbd = {
.bdrv_snapshot_delete = qemu_rbd_snap_remove,
.bdrv_snapshot_list = qemu_rbd_snap_list,
.bdrv_snapshot_goto = qemu_rbd_snap_rollback,
+#ifdef LIBRBD_SUPPORTS_INVALIDATE
+ .bdrv_invalidate_cache = qemu_rbd_invalidate_cache,
+#endif
};
static void bdrv_rbd_init(void)
--
1.9.3
