David Sterba 于2018年8月8日周三 下午9:57写道：
>
> On Wed, Aug 08, 2018 at 11:04:37AM +0800, Lu Fengqi wrote:
> > On Tue, Aug 07, 2018 at 06:19:12PM +0200, David Sterba wrote:
> > >On Sat, Aug 04, 2018 at 09:10:54PM +0800, Lu Fengqi wrote:
> > >> After btrfs_qgroup_reserve_meta_prealloc(), num_bytes will be
On Wed, Aug 08, 2018 at 11:04:37AM +0800, Lu Fengqi wrote:
> On Tue, Aug 07, 2018 at 06:19:12PM +0200, David Sterba wrote:
> >On Sat, Aug 04, 2018 at 09:10:54PM +0800, Lu Fengqi wrote:
> >> After btrfs_qgroup_reserve_meta_prealloc(), num_bytes will be assigned
> >> again by
> -Original Message-
> From: David Sterba [mailto:dste...@suse.cz]
> Sent: Wednesday, August 08, 2018 12:19 AM
> To: Lu, Fengqi/陆 丰麒
> Cc: linux-btrfs@vger.kernel.org; Gu, Jinxiang/顾 金香
> Subject: Re: [PATCH 2/5] btrfs: use a separate variable to store the
> num_bytes of the
On Tue, Aug 07, 2018 at 06:19:12PM +0200, David Sterba wrote:
>On Sat, Aug 04, 2018 at 09:10:54PM +0800, Lu Fengqi wrote:
>> After btrfs_qgroup_reserve_meta_prealloc(), num_bytes will be assigned
>> again by btrfs_calc_trans_metadata_size(). Therefore, once block_rsv
>> fails, we cannot properly
On Sat, Aug 04, 2018 at 09:10:54PM +0800, Lu Fengqi wrote:
> After btrfs_qgroup_reserve_meta_prealloc(), num_bytes will be assigned
> again by btrfs_calc_trans_metadata_size(). Therefore, once block_rsv
> fails, we cannot properly free the num_bytes of the previous
> qgroup_reserve.
This does not
