On Tue, Apr 06, 2010 at 05:19:49PM +0100, David Howells wrote: > > Hi, > > I think I've made a bad assumption over my usage of radix_tree_tag_get() in > fs/fscache/page.c. > > I've assumed that radix_tree_tag_get() is protected from radix_tree_tag_set() > and radix_tree_tag_clear() by the RCU read lock. However, now I'm not so > sure. I think it's only protected against removal of part of the tree. > > Can you confirm? It is safe. Synchronization requirements for using the radix tree API are documented. -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs
