From: Miklos Szeredi <mszeredi@redhat.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
David Howells <dhowells@redhat.com>
Subject: [PATCH 1/2] vfs: add d_real_inode() helper
Date: Fri, 20 May 2016 22:48:09 +0200 [thread overview]
Message-ID: <1463777290-22881-2-git-send-email-mszeredi@redhat.com> (raw)
In-Reply-To: <1463777290-22881-1-git-send-email-mszeredi@redhat.com>
Needed by the following fix.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: <stable@vger.kernel.org>
---
include/linux/dcache.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 7e9422cb5989..ad5d582f9b14 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 */
--
2.5.5
next prev parent reply other threads:[~2016-05-20 20:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-20 20:48 [PATCH 0/2] more overlayfs hard link fixes Miklos Szeredi
2016-05-20 20:48 ` Miklos Szeredi [this message]
2016-05-20 20:48 ` [PATCH 2/2] af_unix: fix hard linked sockets on overlay Miklos Szeredi
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