[linux-lvm] bcache as a new i/o layer?

[Gionatan Danti]

On 30/11/2018 10:52, Zdenek Kabelac wrote:
> Hi
> 
> 
> The name of i/o layer bcache is only internal to lvm2 code for caching
> reads form disks during disk processing - the name comes from usage
> of  bTree and caching - thus the name bcache.
> 
> It's not a dm target - so nothing you could use for LVs.
> And has nothing in common with exiting  bcache kernel block device.
> 
> The only purpose is to slightly accelerate device scanning and probing - 
> and helps mostly in cases your system has tons a devices that needs to 
> be scanned,
> since this bcache is also using async disk reads for its filling....
> 

Hi Zdenek, thanks for the information.
I can imagine bcache being instrumental to the deprecation of lvmetad, 
right?

Thanks.

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Danti Gionatan
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