From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Rajnoha Subject: [PATCH] Add 'suspended' item in dm's sysfs directory Date: Tue, 19 May 2009 10:16:52 +0200 Message-ID: <4A126AF4.9030303@redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: dm-devel@redhat.com List-Id: dm-devel.ids Expose DM device's suspended state information through a file named 'suspended' in dm directory under sysfs. The value is 0 for active state and 1 for suspended state. Signed-off-by: Peter Rajnoha --- drivers/md/dm-sysfs.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index a2a45e6..4b04590 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -57,12 +57,21 @@ 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)); + + 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, };