| 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
| ||
|
Message-ID: <20070430120930.GA10604@thunk.org> Date: Mon, 30 Apr 2007 08:09:30 -0400 From: Theodore Tso <tytso@....edu> To: Jan Kara <jack@...e.cz>, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: Ext2/3 block remapping tool On Fri, Apr 27, 2007 at 12:09:42PM -0600, Andreas Dilger wrote: > I'd prefer that such functionality be integrated with Takashi's online > defrag tool, since it needs virtually the same functionality. For that > matter, this is also very similar to the block-mapped -> extents tool > from Aneesh. It doesn't make sense to have so many separate tools for > users, especially if they start interfering with each other (i.e. defrag > undoes the remapping done by your tool). Yep, in fact, I'm really glad that Jan is working on the remapping tool because if the on-line defrag kernel interfaces don't have the right support for it, then that means we need to fix the on-line defrag patches. :-) While we're at it, someone want to start thinking about on-line shrinking of ext4 filesystems? Again, the same block remapping interfaces for defrag and file access optimizations should also be useful for shrinking filesystems (even if some of the files that need to be relocated are being actively used). If not, that probably means we got the interface wrong. - 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
Powered by blists - more mailing lists