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authorVyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com>2014-08-08 14:20:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-08 15:57:20 -0700
commitef43d5cd84b7d2ea09846de34e14be7d74be3e6f (patch)
tree67163715eb9012e931f9a7eefafe59a71ad20401 /Documentation
parentabc968dbf291955ac750ecf59e3baf2b529a8257 (diff)
downloadop-kernel-dev-ef43d5cd84b7d2ea09846de34e14be7d74be3e6f.zip
op-kernel-dev-ef43d5cd84b7d2ea09846de34e14be7d74be3e6f.tar.gz
nilfs2: add /sys/fs/nilfs2/<device>/segments group
This patch adds creation of /sys/fs/nilfs2/<device>/segments group. The segments group contains attributes that describe details about volume's segments: (1) segments_number - show number of segments on volume. (2) blocks_per_segment - show number of blocks in segment. (3) clean_segments - show count of clean segments. (4) dirty_segments - show count of dirty segments. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-fs-nilfs231
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-nilfs2 b/Documentation/ABI/testing/sysfs-fs-nilfs2
index c9952f4..d39e076 100644
--- a/Documentation/ABI/testing/sysfs-fs-nilfs2
+++ b/Documentation/ABI/testing/sysfs-fs-nilfs2
@@ -179,3 +179,34 @@ Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
Description:
Describe attributes of /sys/fs/nilfs2/<device>/segctor
group.
+
+What: /sys/fs/nilfs2/<device>/segments/segments_number
+Date: April 2014
+Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
+Description:
+ Show number of segments on a volume.
+
+What: /sys/fs/nilfs2/<device>/segments/blocks_per_segment
+Date: April 2014
+Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
+Description:
+ Show number of blocks in segment.
+
+What: /sys/fs/nilfs2/<device>/segments/clean_segments
+Date: April 2014
+Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
+Description:
+ Show count of clean segments.
+
+What: /sys/fs/nilfs2/<device>/segments/dirty_segments
+Date: April 2014
+Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
+Description:
+ Show count of dirty segments.
+
+What: /sys/fs/nilfs2/<device>/segments/README
+Date: April 2014
+Contact: "Vyacheslav Dubeyko" <slava@dubeyko.com>
+Description:
+ Describe attributes of /sys/fs/nilfs2/<device>/segments
+ group.
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