]> git.baikalelectronics.ru Git - kernel.git/commit
nilfs2: add /sys/fs/nilfs2/<device>/checkpoints group
authorVyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com>
Fri, 8 Aug 2014 21:20:48 +0000 (14:20 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Aug 2014 22:57:21 +0000 (15:57 -0700)
commitf94fac4ebc0c2d4db829cd2d355a013939836346
tree78495c866045875516e569378f222b1451037913
parentf212b0a8be603994b679c73ca6e75519a2679943
nilfs2: add /sys/fs/nilfs2/<device>/checkpoints group

This patch adds creation of /sys/fs/nilfs2/<device>/checkpoints
group.

The checkpoints group contains attributes that describe
details about volume's checkpoints:
(1) checkpoints_number - show number of checkpoints on volume.
(2) snapshots_number - show number of snapshots on volume.
(3) last_seg_checkpoint - show checkpoint number of the latest segment.
(4) next_checkpoint - show next checkpoint number.

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>
Documentation/ABI/testing/sysfs-fs-nilfs2
fs/nilfs2/sysfs.c
fs/nilfs2/sysfs.h