From 0e67db2f9fe91937e798e3d7d22c50a8438187e1 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 27 Dec 2016 14:49:03 -0500 Subject: kernfs: add kernfs_ops->open/release() callbacks Add ->open/release() methods to kernfs_ops. ->open() is called when the file is opened and ->release() when the file is either released or severed. These callbacks can be used, for example, to manage persistent caching objects over multiple seq_file iterations. Signed-off-by: Tejun Heo Acked-by: Greg Kroah-Hartman Acked-by: Acked-by: Zefan Li --- fs/kernfs/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/kernfs/dir.c') diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index cf4c636..0b9d23b 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -468,7 +468,7 @@ static void kernfs_drain(struct kernfs_node *kn) rwsem_release(&kn->dep_map, 1, _RET_IP_); } - kernfs_unmap_bin_file(kn); + kernfs_drain_open_files(kn); mutex_lock(&kernfs_mutex); } -- cgit v1.1