Re: [Qemu-block] [PATCH v6 11/42] block: Add bdrv_supports_compressed_writes()

On 05.09.19 15:11, Kevin Wolf wrote: > Am 09.08.2019 um 18:13 hat Max Reitz geschrieben: >> Filters cannot compress data themselves but they have to implement >> .bdrv_co_pwritev_compressed() still (or they cannot forward compressed >> writes). Therefore, checking whether >> bs->drv->bdrv_co_pwrit

Re: [Qemu-block] [PATCH v6 11/42] block: Add bdrv_supports_compressed_writes()

Am 09.08.2019 um 18:13 hat Max Reitz geschrieben: > Filters cannot compress data themselves but they have to implement > .bdrv_co_pwritev_compressed() still (or they cannot forward compressed > writes). Therefore, checking whether > bs->drv->bdrv_co_pwritev_compressed is non-NULL is not sufficient

[Qemu-block] [PATCH v6 11/42] block: Add bdrv_supports_compressed_writes()

Filters cannot compress data themselves but they have to implement .bdrv_co_pwritev_compressed() still (or they cannot forward compressed writes). Therefore, checking whether bs->drv->bdrv_co_pwritev_compressed is non-NULL is not sufficient to know whether the node can actually handle compressed w