On 10/03/2013 09:22 PM, Andreas Dilger wrote: > > This is a pretty significant price to pay for SELinux in any case. > I guess it is probably lower overhead with 256-byte inodes, but > anything that adds 5-25% overhead shouldn't be taken for granted. > > Cheers, Andreas > So far we have determined that, - With SELinux enabled a ramdisk filesytem, with default node size of 128 bytes, extended xattr is generated - In one of the aim7 workload, mbcache has a hit ratio of about 65% Seems like mbcache itself and the mbcache lock optimization attempt by the patch could actually improve performance for a real word system where extended xattr is employed. I believe the patch should go in if there isn't any concern. Please let me know if there is any comment or concern about the patch. Thanks, Mak. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
