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[PATCH for-5.0 24/31] block: Use child_of_bds in remaining places


From: Max Reitz
Subject: [PATCH for-5.0 24/31] block: Use child_of_bds in remaining places
Date: Wed, 27 Nov 2019 14:16:17 +0100

Replace child_file by child_of_bds in all remaining places (excluding
tests).

Signed-off-by: Max Reitz <address@hidden>
---
 block.c              |  3 ++-
 block/backup-top.c   |  4 ++--
 block/blklogwrites.c |  3 ++-
 block/blkreplay.c    |  5 +++--
 block/raw-format.c   | 16 ++++++++++++++--
 5 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/block.c b/block.c
index 0530c81c6d..e800ce862e 100644
--- a/block.c
+++ b/block.c
@@ -3182,7 +3182,8 @@ static BlockDriverState *bdrv_open_inherit(const char 
*filename,
         BlockDriverState *file_bs;
 
         file_bs = bdrv_open_child_bs(filename, options, "file", bs,
-                                     &child_file, 0, true, &local_err);
+                                     &child_of_bds, BDRV_CHILD_IMAGE,
+                                     true, &local_err);
         if (local_err) {
             goto fail;
         }
diff --git a/block/backup-top.c b/block/backup-top.c
index ce97c0146a..eccd6bfae0 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -200,8 +200,8 @@ BlockDriverState *bdrv_backup_top_append(BlockDriverState 
*source,
     top->opaque = state = g_new0(BDRVBackupTopState, 1);
 
     bdrv_ref(target);
-    state->target = bdrv_attach_child(top, target, "target", &child_file, 0,
-                                      errp);
+    state->target = bdrv_attach_child(top, target, "target", &child_of_bds,
+                                      BDRV_CHILD_DATA, errp);
     if (!state->target) {
         bdrv_unref(target);
         bdrv_unref(top);
diff --git a/block/blklogwrites.c b/block/blklogwrites.c
index 78b0c49460..3ee991b38e 100644
--- a/block/blklogwrites.c
+++ b/block/blklogwrites.c
@@ -167,7 +167,8 @@ static int blk_log_writes_open(BlockDriverState *bs, QDict 
*options, int flags,
     }
 
     /* Open the log file */
-    s->log_file = bdrv_open_child(NULL, options, "log", bs, &child_file, 0,
+    s->log_file = bdrv_open_child(NULL, options, "log", bs, &child_of_bds,
+                                  BDRV_CHILD_METADATA | BDRV_CHILD_PROTOCOL,
                                   false, &local_err);
     if (local_err) {
         ret = -EINVAL;
diff --git a/block/blkreplay.c b/block/blkreplay.c
index f97493f45a..71628f4d56 100644
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -27,8 +27,9 @@ static int blkreplay_open(BlockDriverState *bs, QDict 
*options, int flags,
     int ret;
 
     /* Open the image file */
-    bs->file = bdrv_open_child(NULL, options, "image",
-                               bs, &child_file, 0, false, &local_err);
+    bs->file = bdrv_open_child(NULL, options, "image", bs, &child_of_bds,
+                               BDRV_CHILD_DATA | BDRV_CHILD_PRIMARY,
+                               false, &local_err);
     if (local_err) {
         ret = -EINVAL;
         error_propagate(errp, local_err);
diff --git a/block/raw-format.c b/block/raw-format.c
index 4d47e59b7a..6c46dee996 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -444,6 +444,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, 
int flags,
     BDRVRawState *s = bs->opaque;
     bool has_size;
     uint64_t offset, size;
+    BdrvChildRole file_role;
     int ret;
 
     ret = raw_read_options(options, &offset, &has_size, &size, errp);
@@ -451,8 +452,19 @@ static int raw_open(BlockDriverState *bs, QDict *options, 
int flags,
         return ret;
     }
 
-    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file, 0,
-                               false, errp);
+    /*
+     * Without offset and a size limit, this driver behaves very much
+     * like a filter.  With any such limit, it does not.
+     */
+    if (offset || has_size) {
+        file_role = BDRV_CHILD_DATA | BDRV_CHILD_PROTOCOL | BDRV_CHILD_PRIMARY;
+    } else {
+        file_role = BDRV_CHILD_FILTERED | BDRV_CHILD_PROTOCOL |
+                    BDRV_CHILD_PRIMARY;
+    }
+
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+                               file_role, false, errp);
     if (!bs->file) {
         return -EINVAL;
     }
-- 
2.23.0




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