On Wed, 01 Dec 2010 18:21:16 -0500 Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> wrote: > --- a/mm/truncate.c > +++ b/mm/truncate.c > @@ -108,6 +108,10 @@ truncate_complete_page(struct address_space *mapping, struct page *page) > clear_page_mlock(page); > remove_from_page_cache(page); > ClearPageMappedToDisk(page); > + > + if (mapping->a_ops->freepage) > + mapping->a_ops->freepage(page); > + > page_cache_release(page); /* pagecache ref */ > return 0; > } So here we're assuming that `mapping' was pinned by other means. Fair enough, although subtle. Even drop_pagecache_sb() got it right ;) > @@ -390,6 +394,10 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page) > __remove_from_page_cache(page); > spin_unlock_irq(&mapping->tree_lock); > mem_cgroup_uncharge_cache_page(page); > + > + if (mapping->a_ops->freepage) > + mapping->a_ops->freepage(page); > + > page_cache_release(page); /* pagecache ref */ > return 1; > failed: And here. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
