On 20.07.20 17:10, Andrey Shinkevich wrote: > On 25.06.2020 18:21, Max Reitz wrote: >> It is trivial, so we might as well do it. >> >> Signed-off-by: Max Reitz <[email protected]> >> --- >> block/null.c | 7 +++++++ >> tests/qemu-iotests/153.out | 2 +- >> tests/qemu-iotests/184.out | 6 ++++-- >> 3 files changed, 12 insertions(+), 3 deletions(-) >> >> diff --git a/block/null.c b/block/null.c >> index 15e1d56746..cc9b1d4ea7 100644 >> --- a/block/null.c >> +++ b/block/null.c >> @@ -262,6 +262,11 @@ static void >> null_refresh_filename(BlockDriverState *bs) >> bs->drv->format_name); >> } >> +static int64_t null_allocated_file_size(BlockDriverState *bs) >> +{ >> + return 0; >> +} >> + >> static const char *const null_strong_runtime_opts[] = { >> BLOCK_OPT_SIZE, >> NULL_OPT_ZEROES, >> @@ -277,6 +282,7 @@ static BlockDriver bdrv_null_co = { >> .bdrv_file_open = null_file_open, >> .bdrv_parse_filename = null_co_parse_filename, >> .bdrv_getlength = null_getlength, >> + .bdrv_get_allocated_file_size = null_allocated_file_size, >> .bdrv_co_preadv = null_co_preadv, >> .bdrv_co_pwritev = null_co_pwritev, >> @@ -297,6 +303,7 @@ static BlockDriver bdrv_null_aio = { >> .bdrv_file_open = null_file_open, >> .bdrv_parse_filename = null_aio_parse_filename, >> .bdrv_getlength = null_getlength, >> + .bdrv_get_allocated_file_size = null_allocated_file_size, >> .bdrv_aio_preadv = null_aio_preadv, >> .bdrv_aio_pwritev = null_aio_pwritev, >> diff --git a/tests/qemu-iotests/153.out b/tests/qemu-iotests/153.out >> index b2a90caa6b..8659e6463b 100644 >> --- a/tests/qemu-iotests/153.out >> +++ b/tests/qemu-iotests/153.out >> @@ -461,7 +461,7 @@ No conflict: >> image: null-co:// >> file format: null-co >> virtual size: 1 GiB (1073741824 bytes) >> -disk size: unavailable >> +disk size: 0 B >> Conflict: >> qemu-img: --force-share/-U conflicts with image options >> diff --git a/tests/qemu-iotests/184.out b/tests/qemu-iotests/184.out >> index 3deb3cfb94..28b104da89 100644 >> --- a/tests/qemu-iotests/184.out >> +++ b/tests/qemu-iotests/184.out >> @@ -29,7 +29,8 @@ Testing: >> "image": { >> "virtual-size": 1073741824, >> "filename": "json:{\"throttle-group\": \"group0\", >> \"driver\": \"throttle\", \"file\": {\"driver\": \"null-co\"}}", >> - "format": "throttle" >> + "format": "throttle", >> + "actual-size": SIZE > > > If we remove the _filter_generated_node_ids() in the current > implementation of the test #184, we will get '"actual-size": 0'. It > might be more informative when analyzing the output in 184.out.
You mean _filter_actual_image_size? Yeah, why not, it doesn’t seem necessary here. Max
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