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commit300b124fcfupstream. Commit6dde1e42f4("ovl: make i_ino consistent with st_ino in more cases"), relaxed the condition nfs_export=on in order to set the value of i_ino to xino map of real ino. Specifically, it also relaxed the pre-condition that index=on for consistent i_ino. This opened the corner case of lower hardlink in ovl_get_inode(), which calls ovl_fill_inode() with ino=0 and then ovl_init_inode() is called to set i_ino to lower real ino without the xino mapping. Pass the correct values of ino;fsid in this case to ovl_fill_inode(), so it can initialize i_ino correctly. Fixes:6dde1e42f4("ovl: make i_ino consistent with st_ino in more ...") Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.