Re: [PATCH] ovl: fix regression caused by overlapping layers detection

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On Tue, Sep 10, 2019 at 3:53 PM Amir Goldstein <amir73il@xxxxxxxxx> wrote:

> This patch got stuck in overlayfs-next.
> Could you push it to Linus please?

Just tested applied on top of -linus, and it fails overlayfs/065 with this:

--- /root/xfstests-dev/tests/overlay/065.out    2019-06-18
15:12:19.147000000 +0200
+++ /root/xfstests-dev/results//overlay/065.out.bad    2019-09-11
13:22:34.612000000 +0200
@@ -1,8 +1,8 @@
 QA output created by 065
 Conflicting upperdir/lowerdir
-mount: device already mounted or mount point busy
+mount: /scratch/ovl-mnt: mount(2) system call failed: Too many levels
of symbolic links
 Conflicting workdir/lowerdir
-mount: device already mounted or mount point busy
+mount: /scratch/ovl-mnt: mount(2) system call failed: Too many levels
of symbolic links
 Overlapping upperdir/lowerdir
 mount: Too many levels of symbolic links
 Conflicting lower layers

So the mount seems to fail, but with a different than expected error
value.  Do you know what might be happening?

Thanks,
Miklos



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