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author | Kevin Wolf <kwolf@redhat.com> | 2019-01-15 19:02:40 +0100 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2019-03-08 12:26:46 +0100 |
commit | 9b890bdcb6ec11868da92c1daeb51c69d9483da8 (patch) | |
tree | e7fb121b3926df08996f7bb4c437ae6abf7f1a03 /qapi/block-core.json | |
parent | dcc98687f82b8a8d58d0eb7bc15c95d28f35708f (diff) | |
download | qemu-9b890bdcb6ec11868da92c1daeb51c69d9483da8.zip qemu-9b890bdcb6ec11868da92c1daeb51c69d9483da8.tar.gz qemu-9b890bdcb6ec11868da92c1daeb51c69d9483da8.tar.bz2 |
qcow2: Store data file name in the image
Rather than requiring that the external data file node is passed
explicitly when creating the qcow2 node, store the filename in the
designated header extension during .bdrv_create and read it from there
as a default during .bdrv_open.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qapi/block-core.json')
-rw-r--r-- | qapi/block-core.json | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 2303266..e6faa94 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -59,6 +59,9 @@ # # @compat: compatibility level # +# @data-file: the filename of the external data file that is stored in the +# image and used as a default for opening the image (since: 4.0) +# # @lazy-refcounts: on or off; only valid for compat >= 1.1 # # @corrupt: true if the image has been marked corrupt; only valid for @@ -76,6 +79,7 @@ { 'struct': 'ImageInfoSpecificQCow2', 'data': { 'compat': 'str', + '*data-file': 'str', '*lazy-refcounts': 'bool', '*corrupt': 'bool', 'refcount-bits': 'int', @@ -3082,7 +3086,9 @@ # # @data-file: reference to or definition of the external data file. # This may only be specified for images that require an -# external data file. (since 4.0) +# external data file. If it is not specified for such +# an image, the data file name is loaded from the image +# file. (since 4.0) # # Since: 2.9 ## |