Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[pandora-kernel.git] / Documentation / filesystems / ext4.txt

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index e1def17..6ab9442 100644 (file)
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -353,6 +353,20 @@ noauto_da_alloc            replacing existing files via patterns such as
                        system crashes before the delayed allocation
                        blocks are forced to disk.
 
+noinit_itable          Do not initialize any uninitialized inode table
+                       blocks in the background.  This feature may be
+                       used by installation CD's so that the install
+                       process can complete as quickly as possible; the
+                       inode table initialization process would then be
+                       deferred until the next time the  file system
+                       is unmounted.
+
+init_itable=n          The lazy itable init code will wait n times the
+                       number of milliseconds it took to zero out the
+                       previous block group's inode table.  This
+                       minimizes the impact on the systme performance
+                       while file system's inode table is being initialized.
+
 discard                Controls whether ext4 should issue discard/TRIM
 nodiscard(*)           commands to the underlying block device when
                        blocks are freed.  This is useful for SSD devices