From: John Garry <john.g.garry@oracle.com>
To: Damien Le Moal <dlemoal@kernel.org>,
agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com,
song@kernel.org, yukuai3@huawei.com, hch@lst.de,
nilay@linux.ibm.com, axboe@kernel.dk, cem@kernel.org
Cc: dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-raid@vger.kernel.org, linux-block@vger.kernel.org,
ojaswin@linux.ibm.com, martin.petersen@oracle.com,
akpm@linux-foundation.org, linux-xfs@vger.kernel.org,
djwong@kernel.org
Subject: Re: [PATCH v6 2/6] block: sanitize chunk_sectors for atomic write limits
Date: Fri, 11 Jul 2025 10:22:49 +0100 [thread overview]
Message-ID: <322db102-81c8-4d68-93f2-333563e391e3@oracle.com> (raw)
In-Reply-To: <901ca013-ad1f-45cf-9086-fb4db6c7419b@kernel.org>
On 11/07/2025 09:42, Damien Le Moal wrote:
>> diff --git a/block/blk-settings.c b/block/blk-settings.c
>> index a000daafbfb48..a2c089167174e 100644
>> --- a/block/blk-settings.c
>> +++ b/block/blk-settings.c
>> @@ -180,6 +180,7 @@ static void blk_atomic_writes_update_limits(struct queue_limits *lim)
>>
>> static void blk_validate_atomic_write_limits(struct queue_limits *lim)
>> {
>> + unsigned long long chunk_bytes = lim->chunk_sectors << SECTOR_SHIFT;
> Don't you need to cast to a 64-bits "lim->chunk_sectors" here ?
I thought that we automatically convert lim->chunk_sectors to unsigned
long long, but I think that you are right...
At this point I think that it's easier to just convert
atomic_write_hw_max to sectors and do that comparison
Thanks,
John
next prev parent reply other threads:[~2025-07-11 9:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-11 8:09 [PATCH v6 0/6] block/md/dm: set chunk_sectors from stacked dev stripe size John Garry
2025-07-11 8:09 ` [PATCH v6 1/6] ilog2: add max_pow_of_two_factor() John Garry
2025-07-11 8:09 ` [PATCH v6 2/6] block: sanitize chunk_sectors for atomic write limits John Garry
2025-07-11 8:42 ` Damien Le Moal
2025-07-11 9:22 ` John Garry [this message]
2025-07-11 8:09 ` [PATCH v6 3/6] md/raid0: set chunk_sectors limit John Garry
2025-07-11 8:09 ` [PATCH v6 4/6] md/raid10: " John Garry
2025-07-11 8:09 ` [PATCH v6 5/6] dm-stripe: limit chunk_sectors to the stripe size John Garry
2025-07-11 8:09 ` [PATCH v6 6/6] block: use chunk_sectors when evaluating stacked atomic write limits John Garry
2025-07-11 8:44 ` [PATCH v6 0/6] block/md/dm: set chunk_sectors from stacked dev stripe size Damien Le Moal
2025-07-11 9:16 ` John Garry
2025-07-14 5:53 ` Christoph Hellwig
2025-07-14 6:00 ` Damien Le Moal
2025-07-14 6:13 ` Christoph Hellwig
2025-07-15 15:45 ` Hannes Reinecke
2025-07-14 7:52 ` John Garry
2025-07-14 10:46 ` Christoph Hellwig
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