From: Jens Axboe <axboe@kernel.dk>
To: Coly Li <colyli@suse.de>
Cc: linux-bcache@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 00/14] bcache patches for Linux v5.14
Date: Mon, 21 Jun 2021 09:27:12 -0600 [thread overview]
Message-ID: <c05dd81e-0222-62c9-8e52-aee02fa9abb9@kernel.dk> (raw)
In-Reply-To: <02e126b9-f4a8-8034-8c78-d06a3dc41acf@suse.de>
On 6/21/21 9:25 AM, Coly Li wrote:
> On 6/21/21 11:14 PM, Jens Axboe wrote:
>> On 6/14/21 11:49 PM, Coly Li wrote:
>>> Hi Jens,
>>>
>>> Here are the bcache patches for Linux v5.14.
>>>
>>> The patches from Chao Yu and Ding Senjie are useful code cleanup. The
>>> rested patches for the NVDIMM support to bcache journaling.
>>>
>>> For the series to support NVDIMM to bache journaling, all reported
>>> issue since last merge window are all fixed. And no more issue detected
>>> during our testing or by the kernel test robot. If there is any issue
>>> reported during they stay in linux-next, I, Jianpang and Qiaowei will
>>> response and fix immediately.
>>>
>>> Please take them for Linux v5.14.
>> I'd really like the user api bits to have some wider review. Maybe
>> I'm missing something, but there's a lot of weird stuff in the uapi
>> header that includes things like pointers etc.
>>
>
> Hi Jens,
>
> As I explained 2 merge windows before, we use nvdimm as non-volatiled
> memory, that is, the
> memory objects are stored on nvdimm as memory object which are
> non-volatiled. This is why
> you see the pointers in the data structure, e.g. the list is stored on
> NVDIMM area, and the code
> goes through the list directly on the NVDIMM, we don't load them into
> memory.
>
> This is not block device interface.
Right, and I'm not oblivious to those emails. What I'm saying is that
we need more review of that, so far it seems to stand unreviewed.
> I try to ask Dan Williams, Jan Kara, Christoph Hellwig and Hannes
> Reineicke to help to review,
> hope there are some experts may help to take a look.
That'd be great.
--
Jens Axboe
prev parent reply other threads:[~2021-06-21 15:27 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-15 5:49 [PATCH 00/14] bcache patches for Linux v5.14 Coly Li
2021-06-15 5:49 ` [PATCH 01/14] bcache: fix error info in register_bcache() Coly Li
2021-06-22 9:47 ` Hannes Reinecke
2021-06-15 5:49 ` [PATCH 02/14] md: bcache: Fix spelling of 'acquire' Coly Li
2021-06-22 10:03 ` Hannes Reinecke
2021-06-15 5:49 ` [PATCH 03/14] bcache: add initial data structures for nvm pages Coly Li
2021-06-21 16:17 ` Ask help for code review (was Re: [PATCH 03/14] bcache: add initial data structures for nvm pages) Coly Li
2021-06-22 8:41 ` Huang, Ying
2021-06-23 4:32 ` Coly Li
2021-06-23 6:53 ` Huang, Ying
2021-06-23 7:04 ` Christoph Hellwig
2021-06-23 7:19 ` Coly Li
2021-06-23 7:21 ` Christoph Hellwig
2021-06-23 10:05 ` Coly Li
2021-06-23 11:16 ` Coly Li
2021-06-23 11:49 ` Christoph Hellwig
2021-06-23 12:09 ` Coly Li
2021-06-22 10:19 ` [PATCH 03/14] bcache: add initial data structures for nvm pages Hannes Reinecke
2021-06-23 7:09 ` Coly Li
2021-06-15 5:49 ` [PATCH 04/14] bcache: initialize the nvm pages allocator Coly Li
2021-06-22 10:39 ` Hannes Reinecke
2021-06-23 5:26 ` Coly Li
2021-06-23 9:16 ` Hannes Reinecke
2021-06-23 9:34 ` Coly Li
2021-06-15 5:49 ` [PATCH 05/14] bcache: initialization of the buddy Coly Li
2021-06-22 10:45 ` Hannes Reinecke
2021-06-23 5:35 ` Coly Li
2021-06-23 5:46 ` Re[2]: " Pavel Goran
2021-06-23 6:03 ` Coly Li
2021-06-15 5:49 ` [PATCH 06/14] bcache: bch_nvm_alloc_pages() " Coly Li
2021-06-22 10:51 ` Hannes Reinecke
2021-06-23 6:02 ` Coly Li
2021-06-15 5:49 ` [PATCH 07/14] bcache: bch_nvm_free_pages() " Coly Li
2021-06-22 10:53 ` Hannes Reinecke
2021-06-23 6:06 ` Coly Li
2021-06-15 5:49 ` [PATCH 08/14] bcache: get allocated pages from specific owner Coly Li
2021-06-22 10:54 ` Hannes Reinecke
2021-06-23 6:08 ` Coly Li
2021-06-15 5:49 ` [PATCH 09/14] bcache: use bucket index to set GC_MARK_METADATA for journal buckets in bch_btree_gc_finish() Coly Li
2021-06-22 10:55 ` Hannes Reinecke
2021-06-23 6:09 ` Coly Li
2021-06-15 5:49 ` [PATCH 10/14] bcache: add BCH_FEATURE_INCOMPAT_NVDIMM_META into incompat feature set Coly Li
2021-06-22 10:59 ` Hannes Reinecke
2021-06-23 6:09 ` Coly Li
2021-06-15 5:49 ` [PATCH 11/14] bcache: initialize bcache journal for NVDIMM meta device Coly Li
2021-06-22 11:01 ` Hannes Reinecke
2021-06-23 6:17 ` Coly Li
2021-06-23 9:20 ` Hannes Reinecke
2021-06-23 10:14 ` Coly Li
2021-06-15 5:49 ` [PATCH 12/14] bcache: support storing bcache journal into " Coly Li
2021-06-22 11:03 ` Hannes Reinecke
2021-06-23 6:19 ` Coly Li
2021-06-15 5:49 ` [PATCH 13/14] bcache: read jset from NVDIMM pages for journal replay Coly Li
2021-06-22 11:04 ` Hannes Reinecke
2021-06-23 6:21 ` Coly Li
2021-06-15 5:49 ` [PATCH 14/14] bcache: add sysfs interface register_nvdimm_meta to register NVDIMM meta device Coly Li
2021-06-22 11:04 ` Hannes Reinecke
2021-06-21 15:14 ` [PATCH 00/14] bcache patches for Linux v5.14 Jens Axboe
2021-06-21 15:25 ` Coly Li
2021-06-21 15:27 ` Jens Axboe [this message]
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