diff options
Diffstat (limited to 'fs/gfs2/locking/dlm/thread.c')
-rw-r--r-- | fs/gfs2/locking/dlm/thread.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c deleted file mode 100644 index 38823ef..0000000 --- a/fs/gfs2/locking/dlm/thread.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#include "lock_dlm.h" - -static inline int no_work(struct gdlm_ls *ls) -{ - int ret; - - spin_lock(&ls->async_lock); - ret = list_empty(&ls->submit); - spin_unlock(&ls->async_lock); - - return ret; -} - -static int gdlm_thread(void *data) -{ - struct gdlm_ls *ls = (struct gdlm_ls *) data; - struct gdlm_lock *lp = NULL; - - while (!kthread_should_stop()) { - wait_event_interruptible(ls->thread_wait, - !no_work(ls) || kthread_should_stop()); - - spin_lock(&ls->async_lock); - - if (!list_empty(&ls->submit)) { - lp = list_entry(ls->submit.next, struct gdlm_lock, - delay_list); - list_del_init(&lp->delay_list); - spin_unlock(&ls->async_lock); - gdlm_do_lock(lp); - spin_lock(&ls->async_lock); - } - spin_unlock(&ls->async_lock); - } - - return 0; -} - -int gdlm_init_threads(struct gdlm_ls *ls) -{ - struct task_struct *p; - int error; - - p = kthread_run(gdlm_thread, ls, "lock_dlm"); - error = IS_ERR(p); - if (error) { - log_error("can't start lock_dlm thread %d", error); - return error; - } - ls->thread = p; - - return 0; -} - -void gdlm_release_threads(struct gdlm_ls *ls) -{ - kthread_stop(ls->thread); -} - |