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-rw-r--r--fs/proc/root.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 361ab4ee42fc..06702783bf40 100644
--- a/fs/proc/root.c
+++ b/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);
@@ -226,8 +233,8 @@ static int proc_root_readdir(struct file *file, struct dir_context *ctx)
*/
static const struct file_operations proc_root_operations = {
.read = generic_read_dir,
- .iterate = proc_root_readdir,
- .llseek = default_llseek,
+ .iterate_shared = proc_root_readdir,
+ .llseek = generic_file_llseek,
};
/*