[PATCH] nilfs2: add description of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
Add description of NILFS_IOCTL_SET_SUINFO ioctl in
Documentation/filesystems/nilfs2.txt to make it up-to-date.

Signed-off-by: Ryusuke Konishi 
Cc: Andreas Rohner 
---
 Documentation/filesystems/nilfs2.txt |7 +++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/filesystems/nilfs2.txt 
b/Documentation/filesystems/nilfs2.txt
index 06887d4..8b887ae 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -111,6 +111,13 @@ 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.
-- 
1.7.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


[PATCH] nilfs2: add description of NILFS_IOCTL_SET_SUINFO ioctl

2014-02-03 Thread Ryusuke Konishi
Add description of NILFS_IOCTL_SET_SUINFO ioctl in
Documentation/filesystems/nilfs2.txt to make it up-to-date.

Signed-off-by: Ryusuke Konishi konishi.ryus...@lab.ntt.co.jp
Cc: Andreas Rohner andreas.roh...@gmx.net
---
 Documentation/filesystems/nilfs2.txt |7 +++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/filesystems/nilfs2.txt 
b/Documentation/filesystems/nilfs2.txt
index 06887d4..8b887ae 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -111,6 +111,13 @@ 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.
-- 
1.7.9.3

--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/