Re: [PATCH v2 4/8] zram: use crypto api to check alg availability

[Sergey Senozhatsky]

Hello Minchan,

On (06/01/16 09:03), Minchan Kim wrote:
[..]
> So, if we do 'cat /sys/block/zram0/comp_algorithm", every crypto modules
> in the backend array are loaded in memory and not unloaded until admin
> executes rmmod? Right?

yes, I think so.

[..]
> If user load out-of-tree crypto compression module, what's status of
> comp_algorithm?
> 
> #> insmod foo_crypto.ko
> #> echo foo > /sys/block/zram0/comp_algorithm
> #> cat /sys/block/zram0/comp_algorithm
> lzo lz4 [foo]
> ?

yes, "lzo lz4 [out-of-tree-module-name]".

	-ss