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From: Minchan Kim <minchan@kernel.org>
To: Ming Lei <ming.lei@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, Luis Chamberlain <mcgrof@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 0/4] zram: fix two races and one zram leak
Date: Mon, 25 Oct 2021 09:30:07 -0700	[thread overview]
Message-ID: <YXbbj7KhgAkgByp1@google.com> (raw)
In-Reply-To: <20211025025426.2815424-1-ming.lei@redhat.com>

On Mon, Oct 25, 2021 at 10:54:22AM +0800, Ming Lei wrote:
> Hello,
> 
> Fixes three issues reported by Luis Chamberlain with one simpler approach:
> 
> - race between between zram_reset_device() and disksize_store() (1/4)
> 
> - zram leak during unloading module, which is one race between resetting
> and removing device (2/4)
> 
> - race between zram_remove and disksize_store (3/4)
> 
> Also replace replace fsync_bdev with sync_blockdev since no one opens
> it.(4/4)
> 
> V3:
> 	- no code change
> 	- update commit log or comment as Luis suggested
> 	- add reviewed-by tag
> 
> V2:
> 	- take another approach to avoid failing of zram_remove()
> 	- add patch to address race between zram_reset_device() and
> 	  disksize_store()
> 
> 
> Ming Lei (4):
>   zram: fix race between zram_reset_device() and disksize_store()
>   zram: don't fail to remove zram during unloading module
>   zram: avoid race between zram_remove and disksize_store
>   zram: replace fsync_bdev with sync_blockdev

Andrew Morton usually takes zram patches so Ccing him.

Acked-by: Minchan Kim <minchan@kernel.org>

for all patches in this thread.

  parent reply	other threads:[~2021-10-25 16:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-25  2:54 [PATCH V3 0/4] zram: fix two races and one zram leak Ming Lei
2021-10-25  2:54 ` [PATCH V3 1/4] zram: fix race between zram_reset_device() and disksize_store() Ming Lei
2021-10-25  2:54 ` [PATCH V3 2/4] zram: don't fail to remove zram during unloading module Ming Lei
2021-10-25  2:54 ` [PATCH V3 3/4] zram: avoid race between zram_remove and disksize_store Ming Lei
2021-10-25  2:54 ` [PATCH V3 4/4] zram: replace fsync_bdev with sync_blockdev Ming Lei
2021-10-25 16:30 ` Minchan Kim [this message]
2021-11-01  0:28   ` [PATCH V3 0/4] zram: fix two races and one zram leak Ming Lei
2021-11-02 20:43 ` Jens Axboe

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