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| /openbmc/linux/fs/overlayfs/ |
| H A D | readdir.c | diff 61b674710cd9afa2a8b17bdd1ac80670c9b79f1d Tue Jul 18 13:07:42 CDT 2017 Amir Goldstein <amir73il@gmail.com> ovl: do not cleanup directory and whiteout index entries
Directory index entries are going to be used for looking up
redirected upper dirs by lower dir fh when decoding an overlay
file handle of a merge dir.
Whiteout index entries are going to be used as an indication that
an exported overlay file handle should be treated as stale (i.e.
after unlink of the overlay inode).
We don't know the verification rules for directory and whiteout
index entries, because they have not been implemented yet, so fail
to mount overlay rw if those entries are found to avoid corrupting
an index that was created by a newer kernel.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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| H A D | namei.c | diff 61b674710cd9afa2a8b17bdd1ac80670c9b79f1d Tue Jul 18 13:07:42 CDT 2017 Amir Goldstein <amir73il@gmail.com> ovl: do not cleanup directory and whiteout index entries
Directory index entries are going to be used for looking up
redirected upper dirs by lower dir fh when decoding an overlay
file handle of a merge dir.
Whiteout index entries are going to be used as an indication that
an exported overlay file handle should be treated as stale (i.e.
after unlink of the overlay inode).
We don't know the verification rules for directory and whiteout
index entries, because they have not been implemented yet, so fail
to mount overlay rw if those entries are found to avoid corrupting
an index that was created by a newer kernel.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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