linux-kernel - Re: [PATCH 1/2 v2] fs: add SEEK_HOLE and SEEK

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <4DC1A49C.4010101@redhat.com>
Date:	Wed, 04 May 2011 15:10:20 -0400
From:	Josef Bacik <josef@...hat.com>
To:	Valdis.Kletnieks@...edu
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 1/2 v2] fs: add SEEK_HOLE and SEEK_DATA flags

On 05/04/2011 03:04 PM, Valdis.Kletnieks@...edu wrote:
> On Wed, 04 May 2011 13:58:39 EDT, Josef Bacik said:
>
>> -SEEK_HOLE: this moves the file pos to the nearest hole in the file from the
>> given position.
>
> Nearest, or next? Solaris defines it as "next", for a good reason - otherwise
> you can get stuck in a case where the "nearest" hole is back towards the
> start of the file - and "seek data" will bounce back to the next byte at
> the other end of the hole.
>

Yeah sorry the log says "nearest" but the code says "next", if you look 
at it thats how it works.  Thanks,

Josef
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/