jffs2: Require jffs2_garbage_collect_trigger() to be called with lock held
We're about to call this from a bunch of places which already hold
c->erase_completion_lock, so add an assertion and change its existing
callers to do the same.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 5ab5c85..dd2d920 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -481,7 +481,9 @@
void jffs2_complete_reservation(struct jffs2_sb_info *c)
{
D1(printk(KERN_DEBUG "jffs2_complete_reservation()\n"));
+ spin_lock(&c->erase_completion_lock);
jffs2_garbage_collect_trigger(c);
+ spin_unlock(&c->erase_completion_lock);
mutex_unlock(&c->alloc_sem);
}