ovl: verify upper root dir matches lower root dir

Browse source

When inodes index feature is enabled, verify that the file handle stored
in upper root dir matches the lower root dir or fail to mount.

If upper root dir has no stored file handle, encode and store the lower
root dir file handle in overlay.origin xattr.

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

...

This commit is contained in:

Amir Goldstein 2017-06-21 15:28:37 +03:00 • committed by Miklos Szeredi

parent 02bcd15774

commit 8b88a2e640

4 changed files with 101 additions and 15 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

fs/overlayfs/copy_up.c

View file

103

fs/overlayfs/namei.c

View file

3

fs/overlayfs/overlayfs.h

View file

8

fs/overlayfs/super.c

View file