linux-ext4 - Re: [PATCH][BUG] ext4: dx_map_entry cannot support over 64KB block size

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 22 Jun 2009 10:46:17 +0900
From:	Toshiyuki Okajima <toshi.okajima@...fujitsu.com>
To:	Theodore Tso <tytso@....edu>
CC:	Andreas Dilger <adilger@....com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH][BUG] ext4: dx_map_entry cannot support over 64KB block
 size

Ted-san,

Theodore Tso wrote:
> Toshiyuki-san,
> 
> I'm curious what if any testing you've done using 128k or 256k block
> sizes?  I note that EXT4_MAX_BLOCK_SIZE is still set to 65536, and of
> course, > 64k blocksize testing can only take place on systes with
> page sizes > 64k --- of which there are very few at the moment.
> 
> Thanks,
> 
> 						- Ted
I have been reviewing the logic around dir_index(fs/ext4/dir.c fs/ext4/namei.c)
for the sake of performance and quality improvement. Then I found this bug.
Sorry, therefore it is not a result of the real test.

Best regards,
Toshiyuki Okajima


--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html