diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-16 21:37:36 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-10-24 23:34:55 -0400 |
| commit | 44bb4385ce1cfb231d37cbc7bb6faf70f98b7b17 (patch) | |
| tree | e621c6e441a714836f0ccd2f98ccc461669ba0bd | |
| parent | 59aa0da8e232f990be793d0ea23ca74675b236b3 (diff) | |
fs_is_visible only needs namespace_sem held shared
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/namespace.c | 4 |
1 files 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; } |