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.