On 04/09/2015 10:56 AM, Filipe Manana wrote:
Test btrfs incremental send after renaming and moving directories around in a
way that ends up making a directory have different dentries with the same name
but pointing to different inodes in the parent and send snapshots, and also
inverting the ancestor-descendent relationship between one of those inodes and
some other inode.
Cases like this made an incremental send enter an infinite lopp when building
path strings, leading to -ENOMEM errors when the path string reached a length
of PATH_MAX.
This issue was fixed by the following linux kernel btrfs patch:
Btrfs: incremental send, check if orphanized dir inode needs delayed rename
Signed-off-by: Filipe Manana <[email protected]>
Verified it passed with the patches applied and failed without them.
Test looks straightforward and good to me, you can add
Reviewed-by: Josef Bacik <[email protected]>
Thanks,
Josef
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