ovl: create ovl_need_index() helper

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The helper determines which lower file needs to be indexed
on copy up and before nlink changes.

For index=on, the helper evaluates to true for lower hardlinks.

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

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Amir Goldstein 2017-09-26 07:55:26 +03:00 • committed by Miklos Szeredi

parent 9ee60ce249

commit 24b33ee104

3 changed files with 22 additions and 9 deletions

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6

fs/overlayfs/copy_up.c

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1

fs/overlayfs/overlayfs.h

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24

fs/overlayfs/util.c

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