remove aoedev_isbusy()

Remove the no longer used aoedev_isbusy().
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/block/aoe/aoe.h

@@ -195,7 +195,6 @@ void aoedev_exit(void);
 struct aoedev *aoedev_by_aoeaddr(int maj, int min);
 struct aoedev *aoedev_by_sysminor_m(ulong sysminor);
 void aoedev_downdev(struct aoedev *d);
-int aoedev_isbusy(struct aoedev *d);
 int aoedev_flush(const char __user *str, size_t size);
 
 int aoenet_init(void);

drivers/block/aoe/aoedev.c

@@ -18,24 +18,6 @@ static void skbpoolfree(struct aoedev *d);
 static struct aoedev *devlist;
 static DEFINE_SPINLOCK(devlist_lock);
 
-int
-aoedev_isbusy(struct aoedev *d)
-{
-	struct aoetgt **t, **te;
-	struct frame *f, *e;
-
-	t = d->targets;
-	te = t + NTARGETS;
-	for (; t < te && *t; t++) {
-		f = (*t)->frames;
-		e = f + (*t)->nframes;
-		for (; f < e; f++)
-			if (f->tag != FREETAG)
-				return 1;
-	}
-	return 0;
-}
-
 struct aoedev *
 aoedev_by_aoeaddr(int maj, int min)
 {