X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Ffs%2Fproc%2Froot.c;h=ec649c92d2708831b5e2b19615ee276113a1dabe;hb=refs%2Fchanges%2F19%2F30119%2F1;hp=361ab4ee42fc3632232f4bc6eaef54a12f6b47e6;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/fs/proc/root.c b/kernel/fs/proc/root.c
index 361ab4ee4..ec649c92d 100644
--- a/kernel/fs/proc/root.c
+++ b/kernel/fs/proc/root.c
@@ -121,6 +121,13 @@ static struct dentry *proc_mount(struct file_system_type *fs_type,
 	if (IS_ERR(sb))
 		return ERR_CAST(sb);
 
+	/*
+	 * procfs isn't actually a stacking filesystem; however, there is
+	 * too much magic going on inside it to permit stacking things on
+	 * top of it
+	 */
+	sb->s_stack_depth = FILESYSTEM_MAX_STACK_DEPTH;
+
 	if (!proc_parse_options(options, ns)) {
 		deactivate_locked_super(sb);
 		return ERR_PTR(-EINVAL);