From: David Sterba <dsterba@suse.cz>
To: Anand Jain <anand.jain@oracle.com>
Cc: linux-btrfs@vger.kernel.org, dsterba@suse.cz
Subject: Re: [PATCH] btrfs: do not background blkdev_put()
Date: Thu, 18 Aug 2016 14:46:29 +0200 [thread overview]
Message-ID: <20160818124629.GD16983@twin.jikos.cz> (raw)
In-Reply-To: <1469138693-810-1-git-send-email-anand.jain@oracle.com>
On Fri, Jul 22, 2016 at 06:04:53AM +0800, Anand Jain wrote:
> From: Anand Jain <Anand.Jain@oracle.com>
>
> At the end of unmount/dev-delete, if the device exclusive open is not
> actually closed, then there might be a race with another program in
> the userland who is trying to open the device in exclusive mode and
> it may fail for eg:
> unmount /btrfs; fsck /dev/x
> btrfs dev del /dev/x /btrfs; fsck /dev/x
> so here background blkdev_put() is not a choice
missing signed-off, I'll add it
Reviewed-by: David Sterba <dsterba@suse.com>
next prev parent reply other threads:[~2016-08-18 12:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-21 22:04 [PATCH] btrfs: do not background blkdev_put() Anand Jain
2016-08-18 12:46 ` David Sterba [this message]
2016-08-18 14:26 ` Anand Jain
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