linux-kernel - Re: [PATCH] reiserfs: eliminate minimum window size for bitmap searching

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: <44EB9C28.9030204@namesys.com>
Date:	Tue, 22 Aug 2006 17:07:04 -0700
From:	Hans Reiser <reiser@...esys.com>
To:	Jeff Mahoney <jeffm@...e.com>
CC:	David Masover <ninja@...phack.com>, Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ReiserFS List <reiserfs-list@...esys.com>,
	Mike Benoit <ipso@...ppymail.ca>
Subject: Re: [PATCH] reiserfs: eliminate minimum window size for bitmap searching

Jeff Mahoney wrote:
>
>
> Also, I think the bigalloc behavior just ultimately ends up introducing
> even more fragmentation on an already fragmented file system. It'll keep
> contiguous chunks together, but those chunks can end up being spread all
> over the disk.
>
> -Jeff
>
Yes, and almost as important, it makes it difficult to understand and
predict the allocator, which means other optimizations become harder to do.
-
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/