1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index b8d9c6dd4f63..db867b04ac3c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -130,7 +130,10 @@ struct nfs_inode {
          *
          * We need to revalidate the cached attrs for this inode if
          *
-         *      jiffies - read_cache_jiffies > attrtimeo
+         *      jiffies - read_cache_jiffies >= attrtimeo
+         *
+         * Please note the comparison is greater than or equal
+         * so that zero timeout values can be specified.
          */
         unsigned long           read_cache_jiffies;
         unsigned long           attrtimeo;