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From: Jens Axboe <axboe@kernel.dk>
To: Coly Li <colyli@suse.de>
Cc: linux-bcache@vger.kernel.org, linux-block@vger.kernel.org,
	Jianpeng Ma <jianpeng.ma@intel.com>,
	Qiaowei Ren <qiaowei.ren@intel.com>, Kai Krakow <kai@kaishome.de>
Subject: Re: [PATCH 00/20] bcache patches for Linux v5.12
Date: Wed, 10 Feb 2021 08:11:18 -0700	[thread overview]
Message-ID: <50173dee-31dd-9951-bc7f-b5247a46ef5e@kernel.dk> (raw)
In-Reply-To: <20210210050742.31237-1-colyli@suse.de>

On 2/9/21 10:07 PM, Coly Li wrote:
> Hi Jens,
> 
> This is the first wave bcache patches for Linux v5.12.
> 
> It is nice to see in this round we have 3 new patch contributors:
> Jianpeng Ma, Qiaowei Ren and Kai Krakow.
> 
> In this series, the EXPERIMENTAL patches from Jianpeng Ma, Qiaowei Ren
> and me are initial effort to store bcache meta-data on NVDIMM namespace.
> The NVDIMM space is managed and mapped via DAX interface, and accessed
> by linear address. In this submission we store bcache journal on NVDIMM,
> in future bcache btree nodes and other meta data will be added in too,
> before we remove the EXPERIMENTAL statues.
> 
> Dongdong Tao contributes a performance optimization when
> bcache cache buckets are highly fregmented, Dongdong's patch makes the
> dirty data writeback faster and from his benchmark reprots such changes
> have recognized improvement for randome write I/O thoughput and latency
> for highly fregmented buckets, and no regression for regular I/O
> observed.
> 
> Kai Krakow contributes 4 patches to offload system_wq usage to separated
> btree_io_wq and bch_flush_wq. In his environment the daily backup job
> throughput increases from 60.2MB/s to 419MB/s and accomplished time
> reduced from 14h29m to 2h13m.
> 
> Joe Perches also contributes a fine code stype fix which I pick for this
> submission.
> 
> Please take them for Linux v5.12 merge window.

Applied 1-6 for now, that weird situation with the user visible header
needs to get resolved before it can go any further.

-- 
Jens Axboe


  parent reply	other threads:[~2021-02-10 15:12 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-10  5:07 [PATCH 00/20] bcache patches for Linux v5.12 Coly Li
2021-02-10  5:07 ` [PATCH 01/20] bcache: consider the fragmentation when update the writeback rate Coly Li
2021-02-10  5:07 ` [PATCH 02/20] bcache: Fix register_device_aync typo Coly Li
2021-02-10  5:07 ` [PATCH 03/20] Revert "bcache: Kill btree_io_wq" Coly Li
2021-02-10  5:07 ` [PATCH 04/20] bcache: Give btree_io_wq correct semantics again Coly Li
2021-02-10  5:07 ` [PATCH 05/20] bcache: Move journal work to new flush wq Coly Li
2021-02-10  5:07 ` [PATCH 06/20] bcache: Avoid comma separated statements Coly Li
2021-02-10  5:07 ` [PATCH 07/20] bcache: add initial data structures for nvm pages Coly Li
2021-02-10 15:09   ` Jens Axboe
2021-02-11  3:58     ` Coly Li
2021-02-10  5:07 ` [PATCH 08/20] bcache: initialize the nvm pages allocator Coly Li
2021-02-10  5:07 ` [PATCH 09/20] bcache: initialization of the buddy Coly Li
2021-02-10  5:07 ` [PATCH 10/20] bcache: bch_nvm_alloc_pages() " Coly Li
2021-02-10  5:07 ` [PATCH 11/20] bcache: bch_nvm_free_pages() " Coly Li
2021-02-10  5:07 ` [PATCH 12/20] bcache: get allocated pages from specific owner Coly Li
2021-02-10  5:07 ` [PATCH 13/20] bcache: persist owner info when alloc/free pages Coly Li
2021-02-10  5:07 ` [PATCH 14/20] bcache: use bucket index for SET_GC_MARK() in bch_btree_gc_finish() Coly Li
2021-02-10  5:07 ` [PATCH 15/20] bcache: add BCH_FEATURE_INCOMPAT_NVDIMM_META into incompat feature set Coly Li
2021-02-10  5:07 ` [PATCH 16/20] bcache: initialize bcache journal for NVDIMM meta device Coly Li
2021-02-10  5:07 ` [PATCH 17/20] bcache: support storing bcache journal into " Coly Li
2021-02-18 21:21   ` Nix
2021-02-10  5:07 ` [PATCH 18/20] bcache: read jset from NVDIMM pages for journal replay Coly Li
2021-02-10  5:07 ` [PATCH 19/20] bcache: add sysfs interface register_nvdimm_meta to register NVDIMM meta device Coly Li
2021-02-10  5:07 ` [PATCH 20/20] bcache: only initialize nvm-pages allocator when CONFIG_BCACHE_NVM_PAGES configured Coly Li
2021-02-10 15:11 ` Jens Axboe [this message]
2021-02-12 16:09   ` [PATCH 00/20] bcache patches for Linux v5.12 Coly Li

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