[PATCH for-5.0 23/31] block: Make filter drivers use child_of_bds

[Max Reitz]

Note that some filters have secondary children, namely blkverify (the
image to be verified) and blklogwrites (the log).  This patch does not
touch those children.

Signed-off-by: Max Reitz <address@hidden>
---
 block/blkdebug.c     | 4 +++-
 block/blklogwrites.c | 3 ++-
 block/blkverify.c    | 5 ++++-
 block/copy-on-read.c | 5 +++--
 block/replication.c  | 3 ++-
 block/throttle.c     | 5 +++--
 6 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/block/blkdebug.c b/block/blkdebug.c
index 8dd8ed6055..b31fa40b0e 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -497,7 +497,9 @@ static int blkdebug_open(BlockDriverState *bs, QDict 
*options, int flags,
 
     /* Open the image file */
     bs->file = bdrv_open_child(qemu_opt_get(opts, "x-image"), options, "image",
-                               bs, &child_file, 0, false, &local_err);
+                               bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
+                               false, &local_err);
     if (local_err) {
         ret = -EINVAL;
         error_propagate(errp, local_err);
diff --git a/block/blklogwrites.c b/block/blklogwrites.c
index 4faf912ef1..78b0c49460 100644
--- a/block/blklogwrites.c
+++ b/block/blklogwrites.c
@@ -157,7 +157,8 @@ static int blk_log_writes_open(BlockDriverState *bs, QDict 
*options, int flags,
     }
 
     /* Open the file */
-    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0, 
false,
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY, false,
                                &local_err);
     if (local_err) {
         ret = -EINVAL;
diff --git a/block/blkverify.c b/block/blkverify.c
index 4f4d079b12..7df4cb8007 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -125,7 +125,10 @@ static int blkverify_open(BlockDriverState *bs, QDict 
*options, int flags,
 
     /* Open the raw file */
     bs->file = bdrv_open_child(qemu_opt_get(opts, "x-raw"), options, "raw",
-                               bs, &child_file, 0, false, &local_err);
+                               bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PROTOCOL |
+                               BDRV_CHILD_PRIMARY,
+                               false, &local_err);
     if (local_err) {
         ret = -EINVAL;
         error_propagate(errp, local_err);
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index a2d92ac394..c857ea0da7 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -28,8 +28,9 @@
 static int cor_open(BlockDriverState *bs, QDict *options, int flags,
                     Error **errp)
 {
-    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0, 
false,
-                               errp);
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
+                               false, errp);
     if (!bs->file) {
         return -EINVAL;
     }
diff --git a/block/replication.c b/block/replication.c
index 9ca5c9368e..ec512ae1c3 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -90,7 +90,8 @@ static int replication_open(BlockDriverState *bs, QDict 
*options,
     const char *mode;
     const char *top_id;
 
-    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0,
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
                                false, errp);
     if (!bs->file) {
         return -EINVAL;
diff --git a/block/throttle.c b/block/throttle.c
index 2dea913be7..47b0a3522d 100644
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -81,8 +81,9 @@ static int throttle_open(BlockDriverState *bs, QDict *options,
     char *group;
     int ret;
 
-    bs->file = bdrv_open_child(NULL, options, "file", bs,
-                               &child_file, 0, false, errp);
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+                               BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY,
+                               false, errp);
     if (!bs->file) {
         return -EINVAL;
     }
-- 
2.23.0