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From: Mikulas Patocka <mpatocka@redhat.com>
To: Li Nan <linan666@huaweicloud.com>, Jens Axboe <axboe@kernel.dk>
Cc: Zdenek Kabelac <zkabelac@redhat.com>,
	Christoph Hellwig <hch@infradead.org>,
	linux-block@vger.kernel.org, dm-devel@redhat.com
Subject: Re: [PATCH v2 3/4] brd: enable discard
Date: Mon, 10 Jul 2023 17:24:45 +0200 (CEST)	[thread overview]
Message-ID: <4b6788d2-c6e1-948-22d-dbb7cbba657d@redhat.com> (raw)
In-Reply-To: <ace0451f-b979-be13-cf47-a8cb3656c72e@huaweicloud.com>



On Mon, 10 Jul 2023, Li Nan wrote:

> Hi, Mikulas
> 
> The lack of discard in ramdisk can cause some issues related to dm. see:
> https://lore.kernel.org/all/20220228141354.1091687-1-luomeng12@huawei.com/
> 
> I noticed that your patch series has already supported discard for brd. But
> this patch series has not been applied to mainline at present, may I ask if
> you still plan to continue working on it?
> 
> -- 
> Thanks,
> Nan

Hi

I got no response from ramdisk maintainer Jens Axboe. We should ask him, 
whether he doesn't want discard on ramdisk at all or whether he wants it.

Mikulas


  reply	other threads:[~2023-07-10 15:25 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-20 17:52 [PATCH v2 0/4] brd: implement discard Mikulas Patocka
2022-09-20 17:53 ` [PATCH v2 1/4] brd: make brd_insert_page return bool Mikulas Patocka
2022-09-21  5:00   ` Chaitanya Kulkarni
2022-09-20 17:56 ` [PATCH v2 2/4] brd: extend the rcu regions to cover read and write Mikulas Patocka
2022-09-23 15:52   ` Christoph Hellwig
2022-09-20 17:58 ` [PATCH v2 3/4] brd: enable discard Mikulas Patocka
2023-07-10 12:32   ` Li Nan
2023-07-10 15:24     ` Mikulas Patocka [this message]
2023-07-10 19:05       ` Jens Axboe
2023-07-13 11:45         ` Christoph Hellwig
2023-07-19 20:14         ` Mikulas Patocka
2022-09-20 17:59 ` [PATCH v2 4/4] brd: implement secure erase and write zeroes Mikulas Patocka
2022-09-21  5:03   ` Chaitanya Kulkarni
2022-09-21  9:09   ` Pankaj Raghav
2022-09-23 15:54   ` Christoph Hellwig
2022-09-21  5:20 ` [dm-devel] [PATCH v2 0/4] brd: implement discard Gao Xiang
2022-09-27 14:09   ` Mikulas Patocka
2022-09-28  1:03     ` Gao Xiang
2022-09-29 20:05       ` Mikulas Patocka
2022-09-29 20:48         ` Gao Xiang

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