LU-5700 llite: handle concurrent use of cob_transient_pages

[fs/lustre-release.git] / lustre / include / lclient.h

diff --git a/lustre/include/lclient.h b/lustre/include/lclient.h
index cb02a9a..c6ea235 100644 (file)
--- a/lustre/include/lclient.h
+++ b/lustre/include/lclient.h
@@ -207,12 +207,12 @@ struct ccc_object {
          */
        struct list_head        cob_pending_list;
 
-        /**
-         * Access this counter is protected by inode->i_sem. Now that
-         * the lifetime of transient pages must be covered by inode sem,
-         * we don't need to hold any lock..
-         */
-        int                     cob_transient_pages;
+       /**
+        * Number of transient pages.  This is no longer protected by i_sem,
+        * and needs to be atomic.  This is not actually used for anything,
+        * and can probably be removed.
+        */
+       atomic_t                cob_transient_pages;
        /**
         * Number of outstanding mmaps on this file.
         *