Linux SCSI subsystem development
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From: John Garry <john.garry@linux.dev>
To: Yang Xiuwei <yangxiuwei@kylinos.cn>, john.g.garry@oracle.com
Cc: James.Bottomley@HansenPartnership.com,
	martin.petersen@oracle.com, dlemoal@kernel.org,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH v2 1/3] scsi: sd: fix error handling in sd_probe() after large pool creation failure
Date: Wed, 8 Jul 2026 08:57:52 +0100	[thread overview]
Message-ID: <31718d0f-b170-41a4-8a3f-9d15582e98c8@linux.dev> (raw)
In-Reply-To: <20260708072249.264705-1-yangxiuwei@kylinos.cn>

On 7/8/26 08:22, Yang Xiuwei wrote:
> On Wed, 08 Jul 2026, John Garry wrote:
>> However, would it be simpler to always create this pool for LBS enabled
>> (and not just when we probe some disk which has sector size > PAGE_SIZE)?
> Yeah — same idea as sd_page_pool at init. sd_probe already has quite a
> few error paths; I had a go at consolidating them in v1 but dropped it.
> Moving the pool to init seems like a cleaner approach.

Sure, but - as I said - it may waste memory if we (likely) have no disks 
with sector size > page size. Maybe it's better as is (to alloc in probe 
path).

  reply	other threads:[~2026-07-08  7:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-07  3:03 [PATCH v2 0/3] scsi: sd: fix probe error cleanup, special_vec leak and sd_done() sense gate Yang Xiuwei
2026-07-07  3:03 ` [PATCH v2 1/3] scsi: sd: fix error handling in sd_probe() after large pool creation failure Yang Xiuwei
2026-07-07  3:30   ` sashiko-bot
2026-07-08  6:29   ` John Garry
2026-07-08  7:22     ` Yang Xiuwei
2026-07-08  7:57       ` John Garry [this message]
2026-07-07  3:03 ` [PATCH v2 2/3] scsi: sd: fix special_vec mempool leak when scsi_alloc_sgtables() fails Yang Xiuwei
2026-07-07  3:26   ` sashiko-bot
2026-07-08  6:32   ` John Garry
2026-07-07  3:03 ` [PATCH v2 3/3] scsi: sd: fix sd_done() sense handling condition Yang Xiuwei
2026-07-08 16:07   ` Bart Van Assche

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