From 8c3d9cad1ecb3c4ba78604ea4416620f6a6566ab Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Wed, 16 May 2018 13:20:01 +0200 Subject: lib/sysfs: add sysfs_blkdev_get_parent() Signed-off-by: Karel Zak --- lib/sysfs.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'lib/sysfs.c') diff --git a/lib/sysfs.c b/lib/sysfs.c index 5b4031e00..953627715 100644 --- a/lib/sysfs.c +++ b/lib/sysfs.c @@ -148,6 +148,12 @@ int sysfs_blkdev_set_parent(struct path_cxt *pc, struct path_cxt *parent) return 0; } +struct path_cxt *sysfs_blkdev_get_parent(struct path_cxt *pc) +{ + struct sysfs_blkdev *blk = ul_path_get_dialect(pc); + return blk ? blk->parent : NULL; +} + /* * Redirects ENOENT errors to the parent, if the path is to the queue/ * sysfs directory. For example -- cgit v1.2.3-55-g7522