From: Benjamin Marzinski <bmarzins@redhat.com>
To: Liao Yuanhong <liaoyuanhong@vivo.com>
Cc: bo.wu@vivo.com, dm-devel@lists.linux.dev, snitzer@kernel.org,
Pankaj Raghav <p.raghav@samsung.com>,
damien.lemoal@opensource.wdc.com,
Bart Van Assche <bvanassche@acm.org>,
Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH] dm-table:remove the restriction on zone sector being align to pow2
Date: Tue, 30 Apr 2024 18:35:44 -0400 [thread overview]
Message-ID: <ZjFyQH7gr6-_9yIL@redhat.com> (raw)
In-Reply-To: <20240430033207.875-1-liaoyuanhong@vivo.com>
On Tue, Apr 30, 2024 at 11:32:07AM +0800, Liao Yuanhong wrote:
> Currently, the zone size of the ZoneUFS provided by Hynix is not aligned
> to pow2. After testing on the mobile platform with this fix, we found
> that basic functionality can be executed. May we merge this patch first?
The issue is that device-mapper makes assumptions in multiple places
that zones are power of 2 sized. Simply removing this check will allow
users to create broken device-mapper devices on top of non-power-of-2
devices.
A better solution would be to see if Pankaj Raghav's non-power-of-2 zone
size patchset can be revisited.
-Ben
prev parent reply other threads:[~2024-04-30 22:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-29 2:50 [PATCH] dm-table:remove the restriction on zone sector being align to pow2 Liao Yuanhong
2024-04-29 18:51 ` Benjamin Marzinski
2024-04-30 3:32 ` Liao Yuanhong
2024-04-30 22:35 ` Benjamin Marzinski [this message]
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