From 36fad858a7404a9656122a9e560a224ae2a00979 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Wed, 27 Jul 2011 11:00:36 +1000 Subject: md: introduce link/unlink_rdev() helpers There are places where sysfs links to rdev are handled in a same way. Add the helper functions to consolidate them. Signed-off-by: Namhyung Kim Signed-off-by: NeilBrown --- drivers/md/md.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/md/md.h') diff --git a/drivers/md/md.h b/drivers/md/md.h index 1c26c7a08ae6..6863f722cd2a 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -413,6 +413,20 @@ static inline char * mdname (mddev_t * mddev) return mddev->gendisk ? mddev->gendisk->disk_name : "mdX"; } +static inline int sysfs_link_rdev(mddev_t *mddev, mdk_rdev_t *rdev) +{ + char nm[20]; + sprintf(nm, "rd%d", rdev->raid_disk); + return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm); +} + +static inline void sysfs_unlink_rdev(mddev_t *mddev, mdk_rdev_t *rdev) +{ + char nm[20]; + sprintf(nm, "rd%d", rdev->raid_disk); + sysfs_remove_link(&mddev->kobj, nm); +} + /* * iterates through some rdev ringlist. It's safe to remove the * current 'rdev'. Dont touch 'tmp' though. -- cgit v1.2.3-59-g8ed1b