[dm-devel] [PATCH] 8/9: Use spin_lock_irqsave() for m->path_lock
Kevin Corry
kevcorry at us.ibm.com
Tue Jan 13 17:01:03 UTC 2004
m->path_lock needs to be locked with spin_lock_irqsave() and unlocked with
spin_lock_irqrestore().
--- diff/drivers/md/dm-mpath.c 2004-01-13 15:22:03.000000000 -0600
+++ source/drivers/md/dm-mpath.c 2004-01-13 15:21:51.000000000 -0600
@@ -689,11 +689,11 @@
if (error) {
struct path *path;
- spin_lock(&m->path_lock);
+ spin_lock_irqsave(&m->path_lock, flags);
path = __find_path(m, bio->bi_bdev);
__fail_path(path);
r = __remap_io(m, bio);
- spin_unlock(&m->path_lock);
+ spin_unlock_irqrestore(&m->path_lock, flags);
if (!r) {
/* queue for the daemon to resubmit */
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