From: Klaus Jensen <its@irrelevant.dk>
To: Keith Busch <kbusch@kernel.org>
Cc: Kevin Wolf <kwolf@redhat.com>,
Klaus Jensen <k.jensen@samsung.com>,
qemu-devel@nongnu.org, qemu-block@nongnu.org,
Max Reitz <mreitz@redhat.com>
Subject: Re: [PATCH] hw/block/nvme: conditionally enable DULBE for zoned namespaces
Date: Fri, 15 Jan 2021 08:10:47 +0100 [thread overview]
Message-ID: <YAE/93O2HjTJXBG9@apples.localdomain> (raw)
In-Reply-To: <20210114233928.GF1511902@dhcp-10-100-145-180.wdc.com>
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On Jan 14 15:39, Keith Busch wrote:
> On Mon, Jan 11, 2021 at 07:09:52PM +0100, Klaus Jensen wrote:
> > From: Klaus Jensen <k.jensen@samsung.com>
> >
> > The device uses the BDRV_BLOCK_ZERO flag to determine the "deallocated"
> > status of logical blocks. Since the zoned namespaces command set
> > specification defines that logical blocks SHALL be marked as deallocated
> > when the zone is in the Empty or Offline states, DULBE can only be
> > supported if the zone size is a multiple of the calculated deallocation
> > granularity (reported in NPDG) which depends on the underlying block
> > device cluster size (if applicable) or the configured
> > discard_granularity.
> >
> > Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
>
> Looks good.
>
> Reviewed-by: Keith Busch <kbusch@kernel.org>
>
Thanks! Applied to nvme-next.
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prev parent reply other threads:[~2021-01-15 7:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 18:09 [PATCH] hw/block/nvme: conditionally enable DULBE for zoned namespaces Klaus Jensen
2021-01-14 23:39 ` Keith Busch
2021-01-15 7:10 ` Klaus Jensen [this message]
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