4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Miklos Szeredi <mszer...@redhat.com> commit a118084432d642eeccb961c7c8cc61525a941fcb upstream. Needed by the following fix. Signed-off-by: Miklos Szeredi <mszer...@redhat.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- include/linux/dcache.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -603,5 +603,17 @@ static inline struct inode *vfs_select_i return inode; } +/** + * d_real_inode - Return the real inode + * @dentry: The dentry to query + * + * If dentry is on an union/overlay, then return the underlying, real inode. + * Otherwise return d_inode(). + */ +static inline struct inode *d_real_inode(struct dentry *dentry) +{ + return d_backing_inode(d_real(dentry)); +} + #endif /* __LINUX_DCACHE_H */