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authorMark Brown <broonie@kernel.org>2016-07-29 21:38:37 +0100
committerMark Brown <broonie@kernel.org>2016-07-29 21:38:37 +0100
commitda9a92f0cde9ce34a930d7edcaef30429e41d14a (patch)
tree44095fbc8f83990330437d11c7a9fc699a5e2521 /include/linux/dcache.h
parentaa6b4960f4571ecc422a13b2490e91f5debb64a1 (diff)
parentb0ba6b0a5eb2b51037a07dbf5a7470ca804d575c (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r--include/linux/dcache.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 71ff59b66dc4..702b6c53c12f 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -604,5 +604,17 @@ 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 */