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Btrfs: add a missing spin_lock 

When fixing up the locking in the delayed ref destruction work I accidently
broke the locking myself ;(.  Add back a spin_lock that should be there and
we are now all set.  Thanks,
Btrfs: add a missing spin_lock

When fixing up the locking in the delayed ref destruction work I accidently
broke the locking myself ;(.  Add back a spin_lock that should be there and
we are now all set.  Thanks,

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Josef Bacik 2012-06-18 07:23:18 -06:00 committed by Chris Mason
parent 69bca40d41
commit e18fca7342
1 changed files with 1 additions and 0 deletions
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1
fs/btrfs/disk-io.c
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@ -3426,6 +3426,7 @@ int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
mutex_unlock(&head->mutex);
btrfs_put_delayed_ref(ref);
spin_lock(&delayed_refs->lock);
continue;
}