ext4: Update documentation to correct the inode_readahead_blks option name

commit 6d3b82f2d31f22085e5711b28dddcb9fb3d97a25 upstream.

Per commit 240799cd, the option name for readahead should be
inode_readahead_blks, not inode_readahead.

Signed-off-by: Fang Wenqi <antonf@turbolinux.com.cn>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index af6885c3c821f621f5827a46cb0728c61a9e768c..e1def1786e5074e5d8f3cf89b5f14cbfc9fab4af 100644 (file)
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -196,7 +196,7 @@ nobarrier           This also requires an IO stack which can support
                        also be used to enable or disable barriers, for
                        consistency with other ext4 mount options.
 
                        also be used to enable or disable barriers, for
                        consistency with other ext4 mount options.
 

-inode_readahead=n      This tuning parameter controls the maximum
+inode_readahead_blks=n This tuning parameter controls the maximum

                        number of inode table blocks that ext4's inode
                        table readahead algorithm will pre-read into
                        the buffer cache.  The default value is 32 blocks.
                        number of inode table blocks that ext4's inode
                        table readahead algorithm will pre-read into
                        the buffer cache.  The default value is 32 blocks.