ChangeSet 1.2098, 2005/02/23 08:42:01-08:00, [EMAIL PROTECTED]
[PATCH] device-mapper: dm-raid1 deadlock fix
Fix a dm-raid1 deadlock: nested spinlocks with _irq.
Signed-Off-By: Alasdair G Kergon <[EMAIL PROTECTED]>
From: Tim Burgess <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
dm-raid1.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -Nru a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
--- a/drivers/md/dm-raid1.c 2005-02-23 10:09:31 -08:00
+++ b/drivers/md/dm-raid1.c 2005-02-23 10:09:31 -08:00
@@ -253,9 +253,9 @@
else {
__rh_insert(rh, nreg);
if (nreg->state == RH_CLEAN) {
- spin_lock_irq(&rh->region_lock);
+ spin_lock(&rh->region_lock);
list_add(&nreg->list, &rh->clean_regions);
- spin_unlock_irq(&rh->region_lock);
+ spin_unlock(&rh->region_lock);
}
reg = nreg;
}
-
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