Messages in this thread Patch in this message | | | From | Ryusuke Konishi <> | Subject | [PATCH] nilfs2: add description of NILFS_IOCTL_SET_SUINFO ioctl | Date | Tue, 4 Feb 2014 10:50:00 +0900 |
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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.ryusuke@lab.ntt.co.jp> Cc: Andreas Rohner <andreas.rohner@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
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