From: Keith Busch <kbusch@kernel.org>
To: Yao Sang <sangyao@kylinos.cn>
Cc: linux-nvme@lists.infradead.org, dlemoal@kernel.org,
axboe@kernel.dk, hch@lst.de, sagi@grimberg.me
Subject: Re: [PATCH v2] nvme-multipath: revalidate zones for namespace heads
Date: Mon, 6 Jul 2026 12:53:37 -0600 [thread overview]
Message-ID: <akv5sZSOvxW7JbWI@kbusch-mbp> (raw)
In-Reply-To: <20260610032846.54044-1-sangyao@kylinos.cn>
On Wed, Jun 10, 2026 at 11:28:46AM +0800, Yao Sang wrote:
> Zoned multipath namespace heads get BLK_FEAT_ZONED and their limits are
> refreshed from the paths, but the zone state for the head disk is never
> initialized. The previous nr_zones assignment only updated a single
> field and did not allocate or populate the block layer's per-zone state.
>
> The failure was found with xfstests xfs/643 and xfs/646 on an NVMe
> ZNS multipath namespace. Tracing showed regular REQ_OP_WRITE I/O being
> submitted to sequential zones through the multipath head.
Thanks, applied to nvme-7.3.
prev parent reply other threads:[~2026-07-06 18:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 3:28 [PATCH v2] nvme-multipath: revalidate zones for namespace heads Yao Sang
2026-06-10 5:09 ` Christoph Hellwig
2026-07-06 18:53 ` Keith Busch [this message]
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