Merge tag 'trace-v4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[firefly-linux-kernel-4.4.55.git] / Documentation / filesystems / nilfs2.txt

diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index 06887d46ccf2795e8a6f46b1528e985a5ac1975b..41c3d332acc90c4be1684546c81c6fedf8278b50 100644 (file)
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -25,9 +25,8 @@ available from the following download page.  At least "mkfs.nilfs2",
 cleaner or garbage collector) are required.  Details on the tools are
 described in the man pages included in the package.
 
-Project web page:    http://www.nilfs.org/en/
-Download page:       http://www.nilfs.org/en/download.html
-Git tree web page:   http://www.nilfs.org/git/
+Project web page:    http://nilfs.sourceforge.net/
+Download page:       http://nilfs.sourceforge.net/en/download.html
 List info:           http://vger.kernel.org/vger-lists.html#linux-nilfs
 
 Caveats
@@ -111,6 +110,13 @@ Table of NILFS2 specific ioctls
                                nilfs_resize utilities and by nilfs_cleanerd
                                daemon.
 
+ NILFS_IOCTL_SET_SUINFO         Modify segment usage info of requested
+                               segments. This ioctl is used by
+                               nilfs_cleanerd daemon to skip unnecessary
+                               cleaning operation of segments and reduce
+                               performance penalty or wear of flash device
+                               due to redundant move of in-use blocks.
+
  NILFS_IOCTL_GET_SUSTAT         Return segment usage statistics. This ioctl
                                is used in lssu, nilfs_resize utilities and
                                by nilfs_cleanerd daemon.