mm + fs: store shadow entries in page cache

[deliverable/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6e765d28841b260aedb2668cfbdd1719818245e4..3ca9420f627eb9c860f8f0c1f29a7dcdfd9a8982 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -419,6 +419,7 @@ struct address_space {
        struct mutex            i_mmap_mutex;   /* protect tree, count, list */
        /* Protected by tree_lock together with the radix tree */
        unsigned long           nrpages;        /* number of total pages */
+       unsigned long           nrshadows;      /* number of shadow entries */
        pgoff_t                 writeback_index;/* writeback starts here */
        const struct address_space_operations *a_ops;   /* methods */
        unsigned long           flags;          /* error bits/gfp mask */