On 10/25/2010 02:52 PM, Eric Paris wrote: > On Mon, 2010-10-25 at 15:27 -0400, John Stoffel wrote: > >> The problems with kernel.org is a perfect exmaple of how an annocuous >> feature like this, can kill a system's performance. > > You admit that you don't know what you are talking about and then state > that this kills systems performance. Interesting conclusion. > > I'm not going to try to refute you point by point but will instead paint > a broad picture. I see 3 possible states: > 1) Configured out - 0 overhead. period. > 2) Configured in but default disabled > 3) Configured in and enabled by admin intervention > > I have (I think) pretty clearly discussed the overhead and the changes > made in case #2. We expand struct inode by 4 bytes, we increment and > decrement those 4 bytes on open/close() and we use a new inode->i_flags. > Case #2 is the bad one, as long as distros are likely to compile it in. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
