| commit | 0e28e01f1e73015d8e1b8fa1cda071d0bd9a2600 | [log] [tgz] |
|---|---|---|
| author | Oleg Nesterov <oleg@redhat.com> | Tue Aug 11 16:28:29 2015 +0200 |
| committer | Oleg Nesterov <oleg@redhat.com> | Sat Aug 15 13:52:09 2015 +0200 |
| tree | ae83a5c9f212e85db4dbd00279880a6ce24f575d | |
| parent | f4b554af9931585174d4913b482eacab75858964 [diff] |
document rwsem_release() in sb_wait_write() Not only we need to avoid the warning from lockdep_sys_exit(), the caller of freeze_super() can never release this lock. Another thread can do this, so there is another reason for rwsem_release(). Plus the comment should explain why we have to fool lockdep. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Jan Kara <jack@suse.com>