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authorVyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com>2014-08-08 23:20:50 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-09 00:57:21 +0200
commita2ecb791a9d6e71a2d37d66034475a92ebc7e02c (patch)
treef9f5c2d3bd24ef0105786d73561bbcafaca3fb25 /fs/nilfs2/sysfs.h
parentnilfs2: add /sys/fs/nilfs2/<device>/checkpoints group (diff)
downloadlinux-a2ecb791a9d6e71a2d37d66034475a92ebc7e02c.tar.xz
linux-a2ecb791a9d6e71a2d37d66034475a92ebc7e02c.zip
nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots group
This patch adds creation of /sys/fs/nilfs2/<device>/mounted_snapshots group. The mounted_snapshots group contains group for every mounted 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/sysfs.h')
-rw-r--r--fs/nilfs2/sysfs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/nilfs2/sysfs.h b/fs/nilfs2/sysfs.h
index 62f0a0dc78ca..4e84e230e9dd 100644
--- a/fs/nilfs2/sysfs.h
+++ b/fs/nilfs2/sysfs.h
@@ -30,6 +30,8 @@
* @sg_superblock_kobj_unregister: completion state
* @sg_segctor_kobj: /sys/fs/<nilfs>/<device>/segctor
* @sg_segctor_kobj_unregister: completion state
+ * @sg_mounted_snapshots_kobj: /sys/fs/<nilfs>/<device>/mounted_snapshots
+ * @sg_mounted_snapshots_kobj_unregister: completion state
* @sg_checkpoints_kobj: /sys/fs/<nilfs>/<device>/checkpoints
* @sg_checkpoints_kobj_unregister: completion state
* @sg_segments_kobj: /sys/fs/<nilfs>/<device>/segments
@@ -44,6 +46,10 @@ struct nilfs_sysfs_dev_subgroups {
struct kobject sg_segctor_kobj;
struct completion sg_segctor_kobj_unregister;
+ /* /sys/fs/<nilfs>/<device>/mounted_snapshots */
+ struct kobject sg_mounted_snapshots_kobj;
+ struct completion sg_mounted_snapshots_kobj_unregister;
+
/* /sys/fs/<nilfs>/<device>/checkpoints */
struct kobject sg_checkpoints_kobj;
struct completion sg_checkpoints_kobj_unregister;
@@ -75,6 +81,7 @@ struct nilfs_##name##_attr { \
NILFS_DEV_ATTR_STRUCT(dev);
NILFS_DEV_ATTR_STRUCT(segments);
+NILFS_DEV_ATTR_STRUCT(mounted_snapshots);
NILFS_DEV_ATTR_STRUCT(checkpoints);
NILFS_DEV_ATTR_STRUCT(superblock);
NILFS_DEV_ATTR_STRUCT(segctor);
@@ -111,6 +118,9 @@ NILFS_DEV_ATTR_STRUCT(segctor);
#define NILFS_SEGMENTS_RW_ATTR(name) \
NILFS_RW_ATTR(segs_info, name)
+#define NILFS_MOUNTED_SNAPSHOTS_RO_ATTR(name) \
+ NILFS_RO_ATTR(mounted_snapshots, name)
+
#define NILFS_CHECKPOINTS_RO_ATTR(name) \
NILFS_RO_ATTR(checkpoints, name)
#define NILFS_CHECKPOINTS_RW_ATTR(name) \
@@ -134,6 +144,8 @@ NILFS_DEV_ATTR_STRUCT(segctor);
(&nilfs_dev_attr_##name.attr)
#define NILFS_SEGMENTS_ATTR_LIST(name) \
(&nilfs_segments_attr_##name.attr)
+#define NILFS_MOUNTED_SNAPSHOTS_ATTR_LIST(name) \
+ (&nilfs_mounted_snapshots_attr_##name.attr)
#define NILFS_CHECKPOINTS_ATTR_LIST(name) \
(&nilfs_checkpoints_attr_##name.attr)
#define NILFS_SUPERBLOCK_ATTR_LIST(name) \