mm: spinlock tree_lock

[linux-2.6-omap-h63xx.git] / mm / truncate.c

diff --git a/mm/truncate.c b/mm/truncate.c
index b8961cb6341401e27f9debffc5832154525fadcb..e68443d7456702767d1b4c6213d5bb006f048b67 100644 (file)
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -349,18 +349,18 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
        if (PagePrivate(page) && !try_to_release_page(page, GFP_KERNEL))
                return 0;
 
-       write_lock_irq(&mapping->tree_lock);
+       spin_lock_irq(&mapping->tree_lock);
        if (PageDirty(page))
                goto failed;
 
        BUG_ON(PagePrivate(page));
        __remove_from_page_cache(page);
-       write_unlock_irq(&mapping->tree_lock);
+       spin_unlock_irq(&mapping->tree_lock);
        ClearPageUptodate(page);
        page_cache_release(page);       /* pagecache ref */
        return 1;
 failed:
-       write_unlock_irq(&mapping->tree_lock);
+       spin_unlock_irq(&mapping->tree_lock);
        return 0;
 }