ovl: persistent inode number for directories

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stat(2) on overlay directories reports the overlay temp inode
number, which is constant across copy up, but is not persistent.

When all layers are on the same fs, report the copy up origin inode
number for directories.

This inode number is persistent, unique across the overlay mount and
constant across copy up.

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

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Amir Goldstein 2017-04-24 09:37:28 +03:00 • committed by Miklos Szeredi

parent 595485033d

commit b7a807dc20

1 changed files with 33 additions and 4 deletions

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fs/overlayfs/dir.c

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