Re: [PATCH 00/37] bcache patches for Linux v5.3

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On 6/28/19 5:59 AM, Coly Li wrote:
> Hi Jens,
> 
> Here are the bcache patches for Linux v5.3. All these patches are
> tested for a while and survived from my smoking and pressure testings.
> 
> This run we have Alexandru Ardelean contributes a clean up patch. The
> rested patches are from me, there is an important race fix has the
> following patches involved in,
> - bcache: Revert "bcache: free heap cache_set->flush_btree in
>    bch_journal_free"
> - bcache: Revert "bcache: fix high CPU occupancy during journal"
> - bcache: remove retry_flush_write from struct cache_set
> - bcache: fix race in btree_flush_write()
> - bcache: performance improvement for btree_flush_write()
> - bcache: add reclaimed_journal_buckets to struct cache_set
> On a Lenovo SR650 server (48 cores, 200G dram, 1T NVMe SSD as cache
> device and 12T NVMe SSD as backing device), without this fix, bcache
> can only run 40 around minutes before deadlock or panic happens. Now
> I don't observe any deadlock or panic for 5+ hours smoking test.
> 
> Please pick them for Linux v5.3, and thank you in advance.

Applied, thanks.

-- 
Jens Axboe




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