Re: [PATCH] btrfs: adjust order of unlocks in do_trimming()

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Subject: Re: [PATCH] btrfs: adjust order of unlocks in do_trimming()
From: David Sterba <dsterba@xxxxxxx>
Date: Wed, 28 Nov 2018 15:10:12 +0100
Cc: linux-btrfs@xxxxxxxxxxxxxxx
In-reply-to: <20181128032112.1152-1-suy.fnst@cn.fujitsu.com>
Mail-followup-to: dsterba@xxxxxxx, Su Yue <suy.fnst@xxxxxxxxxxxxxx>, linux-btrfs@xxxxxxxxxxxxxxx
References: <20181128032112.1152-1-suy.fnst@cn.fujitsu.com>
Reply-to: dsterba@xxxxxxx
User-agent: Mutt/1.5.23.1 (2014-03-12)

On Wed, Nov 28, 2018 at 11:21:12AM +0800, Su Yue wrote:
> In function do_trimming(), block_group->lock should be unlocked first.

Please also write why this is correct and if there are any bad
consequences of the current behaviour. Thanks.

Follow-Ups:
- Re: [PATCH] btrfs: adjust order of unlocks in do_trimming()
  - From: David Sterba

References:
- [PATCH] btrfs: adjust order of unlocks in do_trimming()
  - From: Su Yue

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