From 44bb4385ce1cfb231d37cbc7bb6faf70f98b7b17 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 16 Sep 2013 21:37:36 -0400 Subject: [PATCH] fs_is_visible only needs namespace_sem held shared Signed-off-by: Al Viro --- fs/namespace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index 827aea4c324..0e54ad6ccd8 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2869,7 +2869,7 @@ bool fs_fully_visible(struct file_system_type *type) if (unlikely(!ns)) return false; - namespace_lock(); + down_read(&namespace_sem); list_for_each_entry(mnt, &ns->list, mnt_list) { struct mount *child; if (mnt->mnt.mnt_sb->s_type != type) @@ -2890,7 +2890,7 @@ bool fs_fully_visible(struct file_system_type *type) next: ; } found: - namespace_unlock(); + up_read(&namespace_sem); return visible; } -- 2.43.2