They are still required by userspace, which checks for their presence.
Leave them empty.

https://jira.sw.ru/browse/PSBM-48824

Signed-off-by: Vladimir Davydov <[email protected]>
---
 kernel/ve/veowner.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/kernel/ve/veowner.c b/kernel/ve/veowner.c
index 86065072a9ca..757dde99ef0f 100644
--- a/kernel/ve/veowner.c
+++ b/kernel/ve/veowner.c
@@ -36,12 +36,38 @@
 struct proc_dir_entry *proc_vz_dir;
 EXPORT_SYMBOL(proc_vz_dir);
 
+static int proc_fairsched_open(struct inode *inode, struct file *file)
+{
+       return 0;
+}
+
+static ssize_t proc_fairsched_read(struct file *file, char __user *buf,
+                                  size_t size, loff_t *ppos)
+{
+       return 0;
+}
+
+static struct file_operations proc_fairsched_operations = {
+       .open           = proc_fairsched_open,
+       .read           = proc_fairsched_read,
+       .llseek         = noop_llseek,
+};
+
 static void prepare_proc(void)
 {
        proc_vz_dir = proc_mkdir_mode("vz", S_ISVTX | S_IRUGO | S_IXUGO, NULL);
        if (!proc_vz_dir)
                panic("Can't create /proc/vz dir\n");
+
+       /* Legacy files. They are not really needed and should be removed
+        * sooner or later, but leave the stubs for now as they may be required
+        * by userspace */
+
        proc_mkdir_mode("container", 0, proc_vz_dir);
+       proc_mkdir_mode("fairsched", 0, proc_vz_dir);
+
+       proc_create("fairsched", S_ISVTX, NULL, &proc_fairsched_operations);
+       proc_create("fairsched2", S_ISVTX, NULL, &proc_fairsched_operations);
 }
 #endif
 
-- 
2.1.4

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