Re: [PATCH v2 00/11] overlayfs constant inode numbers

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On Mon, Apr 24, 2017 at 12:14:05PM +0300, Amir Goldstein wrote:
> Miklos,
> 
> Following your comments on the 'stable inodes' series from last week,
> this series fixes constant inode numbers for stat(2) with any layer
> configuration.
> 
> For the case of all *lower* layers on same fs that supports NFS export,
> redirect by file handle will be used to optimize the lookup of the copy
> up origin of non-dir inode.

I was trying to run unionmount-testsuite (original from dhowells) and I
disabled layer check. Looks like empty directory rename test fails.

***
*** ./run --ov --ts=0 rename-empty-dir
***
TEST rename-empty-dir.py:10: Rename empty dir and rename back
 ./run --rename /mnt/a/empty100 /mnt/a/no_dir100
 /mnt/a/empty100: Unexpected error: Invalid cross-device link

Vivek
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