xfs: Update mount options documentation

[sfrench/cifs-2.6.git] / Documentation / filesystems / xfs.txt

diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt
index 3fc0c31a6f5dc5f8ee1220d9bcf8062038297aa5..17187750270aabbfa54ecbf739def39849691015 100644 (file)
--- a/Documentation/filesystems/xfs.txt
+++ b/Documentation/filesystems/xfs.txt
@@ -72,8 +72,15 @@ When mounting an XFS filesystem, the following options are accepted.
        Indicates that XFS is allowed to create inodes at any location
        in the filesystem, including those which will result in inode
        numbers occupying more than 32 bits of significance.  This is
-       provided for backwards compatibility, but causes problems for
-       backup applications that cannot handle large inode numbers.
+       the default allocation option. Applications which do not handle
+       inode numbers bigger than 32 bits, should use inode32 option.
+
+  inode32
+       Indicates that XFS is limited to create inodes at locations which
+       will not result in inode numbers with more than 32 bits of
+       significance. This is provided for backwards compatibility, since
+       64 bits inode numbers might cause problems for some applications
+       that cannot handle large inode numbers.
 
   largeio/nolargeio
        If "nolargeio" is specified, the optimal I/O reported in