From: Andreas Hindborg <nmi@metaspace.dk>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Damien Le Moal <dlemoal@kernel.org>
Subject: Re: [PATCH] ublk: move zone report data out of request pdu
Date: Wed, 14 Aug 2024 09:01:21 +0000 [thread overview]
Message-ID: <87o75vjxcg.fsf@samsung.com> (raw)
Ming Lei <ming.lei@redhat.com> writes:
> ublk zoned takes 16 bytes in each request pdu just for handling REPORT_ZONE
> operation, this way does waste memory since request pdu is allocated
> statically.
>
> Store the transient zone report data into one global xarray, and remove
> it after the report zone request is completed. This way is reasonable
> since report zone is run in slow code path.
>
> Cc: Damien Le Moal <dlemoal@kernel.org>
> Cc: Andreas Hindborg <a.hindborg@samsung.com>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> ---
Nice!
Reviewed-by: Andreas Hindborg <a.hindborg@samsung.com>
Best regards,
Andreas
next reply other threads:[~2024-08-14 9:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-14 9:01 Andreas Hindborg [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-08-10 4:02 [PATCH] ublk: move zone report data out of request pdu Ming Lei
2024-08-10 14:26 ` Jens Axboe
2024-08-11 2:03 ` Ming Lei
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