vfs: Add open by file handle support

[AV: duplicate of open() guts removed; file_open_root() used instead]

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/internal.h b/fs/internal.h
index 52abc5287f50..f3d15de44b15 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -117,6 +117,9 @@ extern struct file *do_filp_open(int dfd, const char *pathname,
 extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
                 const char *, const struct open_flags *, int lookup_flags);
 
+extern long do_handle_open(int mountdirfd,
+                           struct file_handle __user *ufh, int open_flag);
+
 /*
  * inode.c
  */