X-Git-Url: https://git.codelabs.ch/?p=muen%2Flinux.git;a=blobdiff_plain;f=fs%2Ffile_table.c;h=6b3723909342fc9eb95138390e78dc0f0ef2255f;hp=9b70ed2bbc4ed6a54e758a3207f17176b67d4659;hb=d93aa9d82aea80b80f225dbf9c7986df444d8106;hpb=dbae8f2ca2f0586f4b80201c78ff0aed2a012ab5

diff --git a/fs/file_table.c b/fs/file_table.c
index 9b70ed2bbc4e..6b3723909342 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -184,6 +184,33 @@ struct file *alloc_file(const struct path *path, int flags,
 }
 EXPORT_SYMBOL(alloc_file);
 
+struct file *alloc_file_pseudo(struct inode *inode, struct vfsmount *mnt,
+				const char *name, int flags,
+				const struct file_operations *fops)
+{
+	static const struct dentry_operations anon_ops = {
+		.d_dname = simple_dname
+	};
+	struct qstr this = QSTR_INIT(name, strlen(name));
+	struct path path;
+	struct file *file;
+
+	path.dentry = d_alloc_pseudo(mnt->mnt_sb, &this);
+	if (!path.dentry)
+		return ERR_PTR(-ENOMEM);
+	if (!mnt->mnt_sb->s_d_op)
+		d_set_d_op(path.dentry, &anon_ops);
+	path.mnt = mntget(mnt);
+	d_instantiate(path.dentry, inode);
+	file = alloc_file(&path, flags, fops);
+	if (IS_ERR(file)) {
+		ihold(inode);
+		path_put(&path);
+	}
+	return file;
+}
+EXPORT_SYMBOL(alloc_file_pseudo);
+
 /* the real guts of fput() - releasing the last reference to file
  */
 static void __fput(struct file *file)