From a118084432d642eeccb961c7c8cc61525a941fcb Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Fri, 20 May 2016 22:13:45 +0200 Subject: [PATCH] vfs: add d_real_inode() helper Needed by the following fix. Signed-off-by: Miklos Szeredi Cc: --- include/linux/dcache.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 7e9422c..ad5d582 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -576,5 +576,17 @@ static inline struct inode *vfs_select_inode(struct dentry *dentry, 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 */ -- 2.7.4