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| author | Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> | 2014-08-08 23:20:52 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-09 00:57:21 +0200 |
| commit | a5a7332a291b55beb0863b119816d12ffc04dfb0 (patch) | |
| tree | 4c217b1629b4f6931e68dcc9abf790f0fa682119 /fs/nilfs2/the_nilfs.h | |
| parent | nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots group (diff) | |
| download | linux-a5a7332a291b55beb0863b119816d12ffc04dfb0.tar.xz linux-a5a7332a291b55beb0863b119816d12ffc04dfb0.zip | |
nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots/<snapshot> group
This patch adds creation of <snapshot> group for every mounted
snapshot in /sys/fs/nilfs2/<device>/mounted_snapshots group.
The group contains details about mounted snapshot:
(1) inodes_count - show number of inodes for snapshot.
(2) blocks_count - show number of blocks for snapshot.
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 'fs/nilfs2/the_nilfs.h')
| -rw-r--r-- | fs/nilfs2/the_nilfs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index 7fe822307f98..d01ead1bea9a 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -243,6 +243,8 @@ THE_NILFS_FNS(SB_DIRTY, sb_dirty) * @ifile: inode file * @inodes_count: number of inodes * @blocks_count: number of blocks + * @snapshot_kobj: /sys/fs/<nilfs>/<device>/mounted_snapshots/<snapshot> + * @snapshot_kobj_unregister: completion state for kernel object */ struct nilfs_root { __u64 cno; @@ -254,6 +256,10 @@ struct nilfs_root { atomic64_t inodes_count; atomic64_t blocks_count; + + /* /sys/fs/<nilfs>/<device>/mounted_snapshots/<snapshot> */ + struct kobject snapshot_kobj; + struct completion snapshot_kobj_unregister; }; /* Special checkpoint number */ |