LU-2800 autoconf: remove LC_RW_TREE_LOCK test

[fs/lustre-release.git] / lustre / include / linux / lustre_patchless_compat.h

diff --git a/lustre/include/linux/lustre_patchless_compat.h b/lustre/include/linux/lustre_patchless_compat.h
index 1876f94..c948cda 100644 (file)
--- a/lustre/include/linux/lustre_patchless_compat.h
+++ b/lustre/include/linux/lustre_patchless_compat.h
@@ -54,21 +54,13 @@ static inline void ll_remove_from_page_cache(struct page *page)
 
        BUG_ON(!PageLocked(page));
 
-#ifdef HAVE_RW_TREE_LOCK
-       write_lock_irq(&mapping->tree_lock);
-#else
        spin_lock_irq(&mapping->tree_lock);
-#endif
        radix_tree_delete(&mapping->page_tree, page->index);
        page->mapping = NULL;
        mapping->nrpages--;
        __dec_zone_page_state(page, NR_FILE_PAGES);
 
-#ifdef HAVE_RW_TREE_LOCK
-       write_unlock_irq(&mapping->tree_lock);
-#else
        spin_unlock_irq(&mapping->tree_lock);
-#endif
 }
 #else /* HAVE_REMOVE_FROM_PAGE_CACHE */
 #define ll_remove_from_page_cache(page) remove_from_page_cache(page)