On Tue, Nov 09, 2010 at 08:02:38AM -0800, Linus Torvalds wrote: > Remind me why it wasn't sufficient to just use SLAB_DESTROY_BY_RCU? Dave sent a patch for it, which looks much better to me. Nick thinks it doesn't work for his store free path walk, but I haven't seen an explanation why exactly. > The only thing we care about is the pathname walk - there are no other > inode operations that are common enough to worry about. And the only > thing _that_ needs is the ability to look at the inode under RCU, and > SLAB_DESTROY_BY_RCU should be entirely sufficient for that. It might be worth it for inode lookup. While it's shadowed by the dcache hash we still hit it a lot, especially for NFS serving. -- 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
