On 9/15/23 00:17, Eric Blake wrote: > On Fri, Sep 08, 2023 at 12:02:26AM +0300, Andrey Drobyshev wrote: >> Right now "qemu-img map" reports compressed blocks as containing data >> but having no host offset. This is not very informative. Instead, >> let's add another boolean field named "compressed" in case JSON output >> mode is specified. This is achieved by utilizing new allocation status >> flag BDRV_BLOCK_COMPRESSED for bdrv_block_status(). >> >> Also update the expected qemu-iotests outputs to contain the new field. >> >> Signed-off-by: Andrey Drobyshev <andrey.drobys...@virtuozzo.com> >> --- > >> +++ b/qapi/block-core.json >> @@ -409,6 +409,9 @@ >> # >> # @zero: whether the virtual blocks read as zeroes >> # >> +# @compressed: true indicates that data is stored compressed. Only valid >> +# for the formats whith support compression (since 8.2) > > s/whith/which/ > > "compressed":false seems universally valid for all other file formats, > and the field is not marked as optional. Do we really need the > disclaimer? Could we get by with the shorter 'Will be false for > formats that do not support compression', or by omitting it > altogether? >
You're right, this remark should've been removed as it only makes sense in case of the field being optional. Feel free to remove it altogether, or I can send a follow-up if you prefer. Andrey