James B:
> Okay now I confirm that it is zero. I had to reboot the box as it gave me rcu
> sched stall anyway ... so this time around I will run with the default
> printk, it seems to be giving me some output from "dmesg -w" (I've got
> something like "d-1" or "i-1 aufs do_rename" followed by the name of the file
> being modified ... will that be useful?
Just before the crash is most meaningful.
I've just found a bug in aufs_rename(). But I am not sure this is your
case. I'd just ask you to try this patch.
J. R. Okajima
diff --git a/fs/aufs/i_op_ren.c b/fs/aufs/i_op_ren.c
index 61a6516..9c95deb 100644
--- a/fs/aufs/i_op_ren.c
+++ b/fs/aufs/i_op_ren.c
@@ -245,7 +245,8 @@ static int au_ren_diropq(struct au_ren_args *a)
au_hn_imtx_unlock(a->src_hinode);
if (IS_ERR(diropq))
err = PTR_ERR(diropq);
- dput(diropq);
+ else
+ dput(diropq);
return err;
}
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