diff mbox series

[v9,03/31] block: Skip implicit nodes for filename info

Message ID 20180628000745.4477-4-mreitz@redhat.com
State New
Headers show
Series block: Fix some filename generation issues | expand

Commit Message

Max Reitz June 28, 2018, 12:07 a.m. UTC
bdrv_refresh_filename() should simply skip all implicit nodes.  They are
supposed to be invisible to the user, so they should not appear in
filename information.

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 block.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Eric Blake June 28, 2018, 9:49 p.m. UTC | #1
On 06/27/2018 07:07 PM, Max Reitz wrote:
> bdrv_refresh_filename() should simply skip all implicit nodes.  They are
> supposed to be invisible to the user, so they should not appear in
> filename information.
> 
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>   block.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 

Reviewed-by: Eric Blake <eblake@redhat.com>
Alberto Garcia Aug. 7, 2018, 2:31 p.m. UTC | #2
On Thu 28 Jun 2018 02:07:17 AM CEST, Max Reitz wrote:
> bdrv_refresh_filename() should simply skip all implicit nodes.  They are
> supposed to be invisible to the user, so they should not appear in
> filename information.
>
> Signed-off-by: Max Reitz <mreitz@redhat.com>

Reviewed-by: Alberto Garcia <berto@igalia.com>

Berto
diff mbox series

Patch

diff --git a/block.c b/block.c
index 52247062d5..3b07060385 100644
--- a/block.c
+++ b/block.c
@@ -5187,6 +5187,20 @@  void bdrv_refresh_filename(BlockDriverState *bs)
         bdrv_refresh_filename(child->bs);
     }
 
+    if (bs->implicit) {
+        /* For implicit nodes, just copy everything from the single child */
+        child = QLIST_FIRST(&bs->children);
+        assert(QLIST_NEXT(child, next) == NULL);
+
+        pstrcpy(bs->exact_filename, sizeof(bs->exact_filename),
+                child->bs->exact_filename);
+        pstrcpy(bs->filename, sizeof(bs->filename), child->bs->filename);
+
+        bs->full_open_options = qobject_ref(child->bs->full_open_options);
+
+        return;
+    }
+
     if (drv->bdrv_refresh_filename) {
         /* Obsolete information is of no use here, so drop the old file name
          * information before refreshing it */