Commit 51b11e36 authored Jun 28, 2011 by Alexey Khoroshilov Committed by Artem Bityutskiy Sep 11, 2011

jffs2: use mutex_is_locked() in __jffs2_flush_wbuf()



Use a helper to test if a mutex is held instead of a hack with
mutex_trylock().

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>

parent 9786f6e6

fs/jffs2/wbuf.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -578,8 +578,7 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
		if (!jffs2_is_writebuffered(c))
		return 0;

		if (mutex_trylock(&c->alloc_sem)) {
		mutex_unlock(&c->alloc_sem);
		if (!mutex_is_locked(&c->alloc_sem)) {
		printk(KERN_CRIT "jffs2_flush_wbuf() called with alloc_sem not locked!\n");
		BUG();
		}