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SELinux Mailing ListRe: XFS and SE Linux
From: Nathan Scott <nathans_at_sgi.com>
Date: Wed, 10 Mar 2004 12:34:56 +1100
Thanks for sending this out. Couple of additions...
On Wed, Mar 10, 2004 at 12:14:03AM +1100, Russell Coker wrote:
These default values are platform independent.
> The "security.selinux" xattr name and the data stored in it can apparently be It also amounts to a fairly significant performance hit, since there is additional I/O involved once the attributes are no longer inline. When we tweaked the ACL code to be more conscious of this issue, speedups were of the order 10x-12x IIRC. Heavy users of extended attributes should always use larger inode sizes with XFS.
> If at mkfs time you make the Inode 512 bytes in size you will have enough That extra inline space is also available for use by inline directory entries (and of course other extended attributes), so its not useless overhead either. cheers. -- Nathan -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message.Received on Wed 10 Mar 2004 - 14:14:47 EST |
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Date Posted: Jan 15, 2009 | Last Modified: Jan 15, 2009 | Last Reviewed: Jan 15, 2009 |