From: Jens Axboe <axboe@kernel.dk>
To: Kanchan Joshi <joshi.k@samsung.com>, Damien.LeMoal@wdc.com
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
stable@vger.kernel.org, selvakuma.s1@samsung.com,
nj.shetty@samsung.com, javier.gonz@samsung.com
Subject: Re: [PATCH v2 1/1] null_blk: synchronization fix for zoned device
Date: Tue, 27 Oct 2020 20:40:59 -0600 [thread overview]
Message-ID: <c948100e-7e01-5f30-721a-7ed8c820a3b8@kernel.dk> (raw)
In-Reply-To: <20200928095549.184510-2-joshi.k@samsung.com>
On 9/28/20 3:55 AM, Kanchan Joshi wrote:
> Parallel write,read,zone-mgmt operations accessing/altering zone state
> and write-pointer may get into race. Avoid the situation by using a new
> spinlock for zoned device.
> Concurrent zone-appends (on a zone) returning same write-pointer issue
> is also avoided using this lock.
Applied, thanks.
--
Jens Axboe
next prev parent reply other threads:[~2020-10-28 23:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200928095910epcas5p2226ab95a8e4fbd3cfe3f48afb1a58c40@epcas5p2.samsung.com>
2020-09-28 9:55 ` [PATCH v2 0/1] concurrency handling for zoned null-blk Kanchan Joshi
[not found] ` <CGME20200928095914epcas5p1beae8d5a201c35b598fde8288532d58d@epcas5p1.samsung.com>
2020-09-28 9:55 ` [PATCH v2 1/1] null_blk: synchronization fix for zoned device Kanchan Joshi
2020-09-28 10:11 ` Damien Le Moal
2020-10-28 2:40 ` Jens Axboe [this message]
2020-09-28 10:08 ` [PATCH v2 0/1] concurrency handling for zoned null-blk Damien Le Moal
2020-09-28 12:11 ` Greg KH
2020-09-28 17:46 ` Kanchan Joshi
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