linux-kernel - Re: [PATCH 7/7] lib/lzo: separate lzo-rle from lzo

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Date:   Fri, 30 Nov 2018 12:05:00 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Dave Rodgman <dave.rodgman@....com>,
        Minchan Kim <minchan@...nel.org>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        nd <nd@....com>,
        "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Matt Sealey <Matt.Sealey@....com>,
        "nitingupta910@...il.com" <nitingupta910@...il.com>,
        "rpurdie@...nedhand.com" <rpurdie@...nedhand.com>,
        "markus@...rhumer.com" <markus@...rhumer.com>,
        "sonnyrao@...gle.com" <sonnyrao@...gle.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 7/7] lib/lzo: separate lzo-rle from lzo

On (11/29/18 10:21), Dave Rodgman wrote:
> > [..]
> >> +++ b/drivers/block/zram/zcomp.c
> >> @@ -20,6 +20,7 @@
> >>   
> >>   static const char * const backends[] = {
> >>   	"lzo",
> >> +	"lzo-rle",
> >>   #if IS_ENABLED(CONFIG_CRYPTO_LZ4)
> >>   	"lz4",
> >>   #endif
> > 
> > [..]
> > 
> >> +++ b/drivers/block/zram/zram_drv.c
> >> @@ -41,7 +41,7 @@ static DEFINE_IDR(zram_index_idr);
> >>   static DEFINE_MUTEX(zram_index_mutex);
> >>   
> >>   static int zram_major;
> >> -static const char *default_compressor = "lzo";
> >> +static const char *default_compressor = "lzo-rle";
> > 
> > OK, so it's not just "separate lzo-rle", it's also "switch zram to
> > a new compression algorithm by default". I'd say that usually I'd
> > expect this to be separate patches.
> 
> Yes, fair point. akpm has picked this up now though, so probably a bit
> late to break it out into a separate patch?

Andrew accepts patches to patches, and patches to patches to patches, etc.
He is very flexible :)

I don't have a very strong opinion. Would probably be better to split
it, tho. Let's hear from Minchan.

	-ss