diff options
Diffstat (limited to 'drivers/md/dm-sysfs.c')
| -rw-r--r-- | drivers/md/dm-sysfs.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index a2a45e6c7c8..c62c5ab6aed 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -57,16 +57,25 @@ static ssize_t dm_attr_uuid_show(struct mapped_device *md, char *buf) return strlen(buf); } +static ssize_t dm_attr_suspended_show(struct mapped_device *md, char *buf) +{ + sprintf(buf, "%d\n", dm_suspended_md(md)); + + return strlen(buf); +} + static DM_ATTR_RO(name); static DM_ATTR_RO(uuid); +static DM_ATTR_RO(suspended); static struct attribute *dm_attrs[] = { &dm_attr_name.attr, &dm_attr_uuid.attr, + &dm_attr_suspended.attr, NULL, }; -static struct sysfs_ops dm_sysfs_ops = { +static const struct sysfs_ops dm_sysfs_ops = { .show = dm_attr_show, }; @@ -77,6 +86,7 @@ static struct sysfs_ops dm_sysfs_ops = { static struct kobj_type dm_ktype = { .sysfs_ops = &dm_sysfs_ops, .default_attrs = dm_attrs, + .release = dm_kobject_release, }; /* @@ -95,5 +105,7 @@ int dm_sysfs_init(struct mapped_device *md) */ void dm_sysfs_exit(struct mapped_device *md) { - kobject_put(dm_kobject(md)); + struct kobject *kobj = dm_kobject(md); + kobject_put(kobj); + wait_for_completion(dm_get_completion_from_kobject(kobj)); } |