From: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
To: "dsterba@suse.cz" <dsterba@suse.cz>, Nikolay Borisov <nborisov@suse.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 01/10] btrfs: Always initialize btrfs_bio::tgtdev_map/raid_map pointers
Date: Mon, 6 Jul 2020 06:38:19 +0000 [thread overview]
Message-ID: <SN4PR0401MB35987003E71CA291A89EF5079B690@SN4PR0401MB3598.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20200703155757.GE27795@twin.jikos.cz
On 03/07/2020 17:58, David Sterba wrote:
> On Fri, Jul 03, 2020 at 11:31:02AM +0300, Nikolay Borisov wrote:
>>
>>
>> On 2.07.20 г. 17:04 ч., Johannes Thumshirn wrote:
>>> On 02/07/2020 15:47, Nikolay Borisov wrote:
>>> [...]
>>>> - bbio->raid_map = (u64 *)((void *)bbio->stripes +
>>>> - sizeof(struct btrfs_bio_stripe) *
>>>> - num_alloc_stripes +
>>>> - sizeof(int) * tgtdev_indexes);
>>>
>>> That one took me a while to be convinced it is correct.
>>
>> There are 2 aspects to this:
>>
>> 1. I think the original code is harder to grasp ...
>
> Agreed, the rework is much better. Though understanding that's an
> equivalent change is tough. I'll update the changelog with the
> explanation.
>
This was my point, I'm sorry if this didn't come along correctly.
next prev parent reply other threads:[~2020-07-06 6:38 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 13:46 [PATCH 00/10] A bunch of misc cleanups Nikolay Borisov
2020-07-02 13:46 ` [PATCH 01/10] btrfs: Always initialize btrfs_bio::tgtdev_map/raid_map pointers Nikolay Borisov
2020-07-02 14:04 ` Johannes Thumshirn
2020-07-03 8:31 ` Nikolay Borisov
2020-07-03 15:57 ` David Sterba
2020-07-06 6:38 ` Johannes Thumshirn [this message]
2020-07-02 13:46 ` [PATCH 02/10] btrfs: raid56: Remove redundant check in rbio_add_io_page Nikolay Borisov
2020-07-02 14:12 ` Johannes Thumshirn
2020-07-02 13:46 ` [PATCH 03/10] btrfs: raid56: Assign bio in while() Nikolay Borisov
2020-07-02 14:14 ` Johannes Thumshirn
2020-07-02 13:46 ` [PATCH 04/10] btrfs: raid56: Remove out label in __raid56_parity_recover Nikolay Borisov
2020-07-02 14:02 ` David Sterba
2020-07-02 14:51 ` Nikolay Borisov
2020-07-02 13:46 ` [PATCH 05/10] btrfs: raid56: Use in_range where applicable Nikolay Borisov
2020-07-02 14:19 ` Johannes Thumshirn
2020-07-03 15:45 ` David Sterba
2020-07-02 13:46 ` [PATCH 06/10] btrfs: raid56: Don't opencode swap() Nikolay Borisov
2020-07-02 14:20 ` Johannes Thumshirn
2020-07-02 13:46 ` [PATCH 07/10] btrfs: Remove fail label in check_compressed_csum Nikolay Borisov
2020-07-02 14:10 ` David Sterba
2020-07-02 13:46 ` [PATCH 08/10] btrfs: Remove fail1 label in btrfs_submit_compressed_read Nikolay Borisov
2020-07-02 14:03 ` David Sterba
2020-07-02 13:46 ` [PATCH 09/10] btrfs: Remove fail2 label from btrfs_submit_compressed_read Nikolay Borisov
2020-07-02 14:14 ` David Sterba
2020-07-02 13:46 ` [PATCH 10/10] btrfs: Remove out label in btrfs_submit_compressed_read Nikolay Borisov
2020-07-02 14:23 ` Johannes Thumshirn
2020-07-03 16:21 ` [PATCH 00/10] A bunch of misc cleanups David Sterba
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