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Update documentation for inode32 allocator rotorstep change.
Merge of 2.4.x-xfs-melb:linux:19816a by kenmcd.

Index: 2.4.x-xfs/Documentation/filesystems/xfs.txt
===================================================================
--- 2.4.x-xfs.orig/Documentation/filesystems/xfs.txt	Mon Aug 16 09:39:01 2004
+++ 2.4.x-xfs/Documentation/filesystems/xfs.txt	Tue Oct 19 10:39:40 2004
@@ -129,19 +129,19 @@
 
   fs.xfs.stats_clear		(Min: 0  Default: 0  Max: 1)
 	Setting this to "1" clears accumulated XFS statistics 
-	in /proc/fs/xfs/stat.  It then immediately reset to "0".
+	in /proc/fs/xfs/stat.  It then immediately resets to "0".
   	
-  fs.xfs.sync_interval		(Min: HZ  Default: 30*HZ  Max: 60*HZ)
+  fs.xfs.xfssyncd_centisecs	(Min: 100  Default: 3000  Max: 6000)
 	The interval at which the xfssyncd thread flushes metadata
 	out to disk.  This thread will flush log activity out, and
 	do some processing on unlinked inodes.
 
-  fs.xfs.age_buffer             (Min: 1*HZ  Default: 15*HZ  Max: 300*HZ)
-	The age at which xfsbufd flushes dirty metadata buffers to disk.
-
-  fs.xfs.flush_interval         (Min: HZ/2  Default: HZ  Max: 30*HZ)
+  fs.xfs.xfsbufd_centisecs	(Min: 50  Default: 100  Max: 3000)
 	The interval at which xfsbufd scans the dirty metadata buffers list.
 
+  fs.xfs.age_buffer_centisecs	(Min: 100  Default: 1500  Max: 30000)
+	The age at which xfsbufd flushes dirty metadata buffers to disk.
+
   fs.xfs.error_level		(Min: 0  Default: 3  Max: 11)
 	A volume knob for error reporting when internal errors occur.
 	This will generate detailed messages & backtraces for filesystem
@@ -191,17 +191,24 @@
 	Controls the number of entries purged from the NFS refcache
 	every sync interval.
 
-  fs.xfs.inherit_sync		(Min: 0  Default: 1  Max 1)
+  fs.xfs.inherit_sync		(Min: 0  Default: 1  Max: 1)
 	Setting this to "1" will cause the "sync" flag set 
 	by the chattr(1) command on a directory to be
 	inherited by files in that directory.
 
-  fs.xfs.inherit_nodump		(Min: 0  Default: 1  Max 1)
+  fs.xfs.inherit_nodump		(Min: 0  Default: 1  Max: 1)
 	Setting this to "1" will cause the "nodump" flag set 
 	by the chattr(1) command on a directory to be
 	inherited by files in that directory.
 
-  fs.xfs.inherit_noatime	(Min: 0  Default: 1  Max 1)
+  fs.xfs.inherit_noatime	(Min: 0  Default: 1  Max: 1)
 	Setting this to "1" will cause the "noatime" flag set 
 	by the chattr(1) command on a directory to be
 	inherited by files in that directory.
+
+  fs.xfs.rotorstep		(Min: 1  Default: 1  Max: 256)
+	In "inode32" allocation mode, this option determines how many
+	files the allocator attempts to allocate in the same allocation
+	group before moving to the next allocation group.  The intent
+	is to control the rate at which the allocator moves between
+	allocation groups when allocating extents for new files.