diff mbox

[v2,14/16] nbd: Allow BLK_PERM_AIO_CONTEXT_CHANGE on BB

Message ID 20170419094356.19826-15-famz@redhat.com
State New
Headers show

Commit Message

Fam Zheng April 19, 2017, 9:43 a.m. UTC 
This is safe because of the aio context notifier we'll register on this
node. So allow it.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 nbd/server.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Stefan Hajnoczi May 11, 2017, 8:32 p.m. UTC | #1 
On Wed, Apr 19, 2017 at 05:43:54PM +0800, Fam Zheng wrote:
> This is safe because of the aio context notifier we'll register on this
> node. So allow it.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  nbd/server.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox

Patch

diff --git a/nbd/server.c b/nbd/server.c
index 924a1fe..a8f58fb 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -900,8 +900,10 @@  NBDExport *nbd_export_new(BlockDriverState *bs, off_t dev_offset, off_t size,
     if ((nbdflags & NBD_FLAG_READ_ONLY) == 0) {
         perm |= BLK_PERM_WRITE;
     }
-    blk = blk_new(perm, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED |
-                        BLK_PERM_WRITE | BLK_PERM_GRAPH_MOD);
+    blk = blk_new(perm,
+                  BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED |
+                  BLK_PERM_WRITE | BLK_PERM_GRAPH_MOD |
+                  BLK_PERM_AIO_CONTEXT_CHANGE);
     ret = blk_insert_bs(blk, bs, errp);
     if (ret < 0) {
         goto fail;