linux-ext4 - Re: [PATCH 1/2] EXT4: Punch Hole Optimizations: Skip un-needed extent lookup

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]

Date:	Sun, 17 Jul 2011 23:22:56 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Allison Henderson <achender@...ux.vnet.ibm.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 1/2] EXT4: Punch Hole Optimizations: Skip un-needed
 extent lookup

On Mon, Jun 27, 2011 at 03:49:50PM -0700, Allison Henderson wrote:
> This patch optimizes the punch hole operation by skipping the
> tree walking code that is used by truncate.  Since punch hole
> is done through map blocks, the path to the extent is already
> known in this function, so we do not need to look it up again.
> 
> Signed-off-by: Allison Henderson <achender@...ux.vnet.ibm.com>

Thanks, added to the ext4 tree.

					- Ted
--
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