blk_finish_plug(&plug);
}
-static void assign_bit(bool value, long nr, unsigned long *addr)
-{
- if (value)
- set_bit(nr, addr);
- else
- clear_bit(nr, addr);
-}
-
/*
* If we run out of usable paths, should we queue I/O or error it?
*/
unsigned long flags;
spin_lock_irqsave(&m->lock, flags);
- assign_bit((save_old_value && test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) ||
- (!save_old_value && queue_if_no_path),
- MPATHF_SAVED_QUEUE_IF_NO_PATH, &m->flags);
- assign_bit(queue_if_no_path || dm_noflush_suspending(m->ti),
- MPATHF_QUEUE_IF_NO_PATH, &m->flags);
+ assign_bit(MPATHF_SAVED_QUEUE_IF_NO_PATH, &m->flags,
+ (save_old_value && test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) ||
+ (!save_old_value && queue_if_no_path));
+ assign_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags,
+ queue_if_no_path || dm_noflush_suspending(m->ti));
spin_unlock_irqrestore(&m->lock, flags);
if (!queue_if_no_path) {
unsigned long flags;
spin_lock_irqsave(&m->lock, flags);
- assign_bit(test_bit(MPATHF_SAVED_QUEUE_IF_NO_PATH, &m->flags),
- MPATHF_QUEUE_IF_NO_PATH, &m->flags);
+ assign_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags,
+ test_bit(MPATHF_SAVED_QUEUE_IF_NO_PATH, &m->flags));
spin_unlock_irqrestore(&m->lock, flags);
}
return __ffs((unsigned long)word);
}
+/**
+ * assign_bit - Assign value to a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ * @value: the value to assign
+ */
+static __always_inline void assign_bit(long nr, volatile unsigned long *addr,
+ bool value)
+{
+ if (value)
+ set_bit(nr, addr);
+ else
+ clear_bit(nr, addr);
+}
+
+static __always_inline void __assign_bit(long nr, volatile unsigned long *addr,
+ bool value)
+{
+ if (value)
+ __set_bit(nr, addr);
+ else
+ __clear_bit(nr, addr);
+}
+
#ifdef __KERNEL__
#ifndef set_mask_bits