diff options
| author | Max Reitz <mreitz@redhat.com> | 2020-05-13 13:05:37 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2020-05-18 19:05:25 +0200 |
| commit | 58944401d661f22fef15af5a0270ef808a1f4791 (patch) | |
| tree | 54fd40d68c18fad4f455c4ab42037da1c2610774 /block/raw-format.c | |
| parent | b3af2af43b2bf85191cf40fa84b33df1268a08fd (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/raw-format.c')
| -rw-r--r-- | block/raw-format.c | 15 |
1 files changed, 13 insertions, 2 deletions
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; } |