From 9cdd83e3100651af41631fb66838adcd24032f2a Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 10 Apr 2018 16:32:14 -0700 Subject: proc: switch struct proc_dir_entry::count to refcount ->count is honest reference count unlike ->in_use. Link: http://lkml.kernel.org/r/20180313174550.GA4332@avx2 Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/proc/generic.c') diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 5dad2e89007b..fc0333fd5676 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -402,7 +402,7 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, ent->mode = mode; ent->nlink = nlink; ent->subdir = RB_ROOT_CACHED; - atomic_set(&ent->count, 1); + refcount_set(&ent->refcnt, 1); spin_lock_init(&ent->pde_unload_lock); INIT_LIST_HEAD(&ent->pde_openers); proc_set_user(ent, (*parent)->uid, (*parent)->gid); @@ -553,7 +553,7 @@ EXPORT_SYMBOL(proc_set_user); void pde_put(struct proc_dir_entry *pde) { - if (atomic_dec_and_test(&pde->count)) { + if (refcount_dec_and_test(&pde->refcnt)) { proc_free_inum(pde->low_ino); pde_free(pde); } -- cgit v1.2.3