diff options
author | Milan Broz <mbroz@redhat.com> | 2009-01-05 22:05:12 -0500 |
---|---|---|
committer | Alasdair G Kergon <agk@redhat.com> | 2009-01-05 22:05:12 -0500 |
commit | 784aae735d9b0bba3f8b9faef4c8b30df3bf0128 (patch) | |
tree | 7e2e956c395b27f63569d7a6adc1098f116cc3a4 /drivers/md/Makefile | |
parent | d58168763f74d1edbc296d7038c60efe6493fdd4 (diff) |
dm: add name and uuid to sysfs
Implement simple read-only sysfs entry for device-mapper block device.
This patch adds a simple sysfs directory named "dm" under block device
properties and implements
- name attribute (string containing mapped device name)
- uuid attribute (string containing UUID, or empty string if not set)
The kobject is embedded in mapped_device struct, so no additional
memory allocation is needed for initializing sysfs entry.
During the processing of sysfs attribute we need to lock mapped device
which is done by a new function dm_get_from_kobj, which returns the md
associated with kobject and increases the usage count.
Each 'show attribute' function is responsible for its own locking.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/Makefile')
-rw-r--r-- | drivers/md/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 1c615804ea76..63f0ae94415d 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile | |||
@@ -3,7 +3,7 @@ | |||
3 | # | 3 | # |
4 | 4 | ||
5 | dm-mod-objs := dm.o dm-table.o dm-target.o dm-linear.o dm-stripe.o \ | 5 | dm-mod-objs := dm.o dm-table.o dm-target.o dm-linear.o dm-stripe.o \ |
6 | dm-ioctl.o dm-io.o dm-kcopyd.o | 6 | dm-ioctl.o dm-io.o dm-kcopyd.o dm-sysfs.o |
7 | dm-multipath-objs := dm-path-selector.o dm-mpath.o | 7 | dm-multipath-objs := dm-path-selector.o dm-mpath.o |
8 | dm-snapshot-objs := dm-snap.o dm-exception-store.o | 8 | dm-snapshot-objs := dm-snap.o dm-exception-store.o |
9 | dm-mirror-objs := dm-raid1.o | 9 | dm-mirror-objs := dm-raid1.o |