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authorMax Reitz <mreitz@redhat.com>2020-05-13 13:05:37 +0200
committerKevin Wolf <kwolf@redhat.com>2020-05-18 19:05:25 +0200
commit58944401d661f22fef15af5a0270ef808a1f4791 (patch)
tree54fd40d68c18fad4f455c4ab42037da1c2610774 /block
parentb3af2af43b2bf85191cf40fa84b33df1268a08fd (diff)
block: Use child_of_bds in remaining places
Replace child_file by child_of_bds in all remaining places (excluding tests). Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200513110544.176672-28-mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/backup-top.c4
-rw-r--r--block/blklogwrites.c4
-rw-r--r--block/raw-format.c15
3 files changed, 17 insertions, 6 deletions
diff --git a/block/backup-top.c b/block/backup-top.c
index f059617095..8af2c5fe9b 100644
--- a/block/backup-top.c
+++ b/block/backup-top.c
@@ -215,8 +215,8 @@ BlockDriverState *bdrv_backup_top_append(BlockDriverState *source,
source->supported_zero_flags);
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..3a57b273fc 100644
--- a/block/blklogwrites.c
+++ b/block/blklogwrites.c
@@ -167,8 +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,
- false, &local_err);
+ s->log_file = bdrv_open_child(NULL, options, "log", bs, &child_of_bds,
+ BDRV_CHILD_METADATA, 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 824fe70686..bfb4d7ddb7 100644
--- a/block/raw-format.c
+++ b/block/raw-format.c
@@ -441,6 +441,7 @@ 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);
@@ -448,8 +449,18 @@ 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_PRIMARY;
+ } else {
+ file_role = BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY;
+ }
+
+ bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds,
+ file_role, false, errp);
if (!bs->file) {
return -EINVAL;
}