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Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 3f88c9d32f7e..204606bef9e2 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -641,14 +641,6 @@ static void process_queued_bios(struct work_struct *work)
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?
*/
@@ -658,11 +650,11 @@ static int queue_if_no_path(struct multipath *m, bool queue_if_no_path,
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) {
@@ -1588,8 +1580,8 @@ static void multipath_resume(struct dm_target *ti)
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);
}