fs: Remove old freezing mechanism

Now that all users are converted, we can remove functions, variables, and
constants defined by the old freezing mechanism.

BugLink: https://bugs.launchpad.net/bugs/897421
Tested-by: Kamal Mostafa <kamal@canonical.com>
Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com>
Tested-by: Dann Frazier <dann.frazier@canonical.com>
Tested-by: Massimo Morana <massimo.morana@canonical.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 1 deletions

diff --git a/fs/super.c b/fs/super.c
index 0f64ecb7b1bf..a87dc1b1ac92 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -217,7 +217,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
                 mutex_init(&s->s_dquot.dqio_mutex);
                 mutex_init(&s->s_dquot.dqonoff_mutex);
                 init_rwsem(&s->s_dquot.dqptr_sem);
-                init_waitqueue_head(&s->s_wait_unfrozen);
                 s->s_maxbytes = MAX_NON_LFS;
                 s->s_op = &default_op;
                 s->s_time_gran = 1000000000;