linux-kernel - Re: [PATCH RESEND] erofs: DEFLATE compression support

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Message-ID: <a76b6126-be35-cf24-752c-545168ce5174@linux.alibaba.com>
Date:   Thu, 13 Jul 2023 07:56:36 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-erofs@...ts.ozlabs.org
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] erofs: DEFLATE compression support

Hi Randy,

On 2023/7/13 07:46, Randy Dunlap wrote:
> Hi--
> 
> On 7/12/23 16:33, Gao Xiang wrote:
>> diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
>> index f259d92c9720..d7b5327215f0 100644
>> --- a/fs/erofs/Kconfig
>> +++ b/fs/erofs/Kconfig
>> @@ -99,6 +99,21 @@ config EROFS_FS_ZIP_LZMA
>>   
>>   	  If unsure, say N.
>>   
>> +config EROFS_FS_ZIP_DEFLATE
>> +	bool "EROFS DEFLATE compressed data support"
>> +	depends on EROFS_FS_ZIP
>> +	select ZLIB_INFLATE
>> +	help
>> +	  Saying Y here includes support for reading EROFS file systems
>> +	  containing DEFLATE compressed data.  It gives better compression
>> +	  ratios than the default LZ4 format, whileas it costs more CPU
> 
> 	                                      while
> or	  although
> or	  but

Thanks for pointing out, let me fix in the next version!

Thanks,
Gao Xiang