fs: move i_readcount

On a 64-bit system, a hole exists in the 'inode' structure after
i_writecount.  This patch moves i_readcount to fill this hole.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 121f11f001c06f1cdcdeb6533234d76626a2915b..e88219d3f42b97af50da5f67de91ddaed1e44bab 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -586,6 +586,9 @@ struct inode {
        atomic_t                i_count;
        atomic_t                i_dio_count;
        atomic_t                i_writecount;
+#ifdef CONFIG_IMA
+       atomic_t                i_readcount; /* struct files open RO */
+#endif
        const struct file_operations    *i_fop; /* former ->i_op->default_file_ops */
        struct file_lock        *i_flock;
        struct address_space    i_data;
@@ -606,9 +609,6 @@ struct inode {
        struct hlist_head       i_fsnotify_marks;
 #endif
 
-#ifdef CONFIG_IMA
-       atomic_t                i_readcount; /* struct files open RO */
-#endif
        void                    *i_private; /* fs or device private pointer */
 };