ovl: index all non-dir on copy up for NFS export

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With the NFS export feature enabled, all non-dir are indexed on copy up.
The copy up origin inode of an indexed non-dir can be used as a unique
identifier of the overlay object.

The full index is also used for consistency verfication, like detecting
multiple non-hardlink uppers with the same 'origin' on lookup.

Directory index on copy up will be implemented by following patch.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Amir Goldstein 2017-11-22 00:08:21 +02:00 • committed by Miklos Szeredi

parent 24b33ee104

commit fbd2d2074b

1 changed files with 4 additions and 0 deletions

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fs/overlayfs/util.c

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