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Message-Id: <1391478600-7512-1-git-send-email-konishi.ryusuke@lab.ntt.co.jp> Date: Tue, 4 Feb 2014 10:50:00 +0900 From: Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp> To: Andrew Morton <akpm@...ux-foundation.org> Cc: LKML <linux-kernel@...r.kernel.org>, linux-nilfs <linux-nilfs@...r.kernel.org>, Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>, Andreas Rohner <andreas.rohner@....net> Subject: [PATCH] nilfs2: add description of NILFS_IOCTL_SET_SUINFO ioctl 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@....ntt.co.jp> Cc: Andreas Rohner <andreas.rohner@....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 majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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