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-rw-r--r--fs/debugfs/file.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 8d130cc85322..682f928b7f4d 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -16,6 +16,7 @@
16#include <linux/module.h> 16#include <linux/module.h>
17#include <linux/fs.h> 17#include <linux/fs.h>
18#include <linux/pagemap.h> 18#include <linux/pagemap.h>
19#include <linux/namei.h>
19#include <linux/debugfs.h> 20#include <linux/debugfs.h>
20 21
21static ssize_t default_read_file(struct file *file, char __user *buf, 22static ssize_t default_read_file(struct file *file, char __user *buf,
@@ -44,6 +45,17 @@ const struct file_operations debugfs_file_operations = {
44 .open = default_open, 45 .open = default_open,
45}; 46};
46 47
48static void *debugfs_follow_link(struct dentry *dentry, struct nameidata *nd)
49{
50 nd_set_link(nd, dentry->d_inode->i_private);
51 return NULL;
52}
53
54const struct inode_operations debugfs_link_operations = {
55 .readlink = generic_readlink,
56 .follow_link = debugfs_follow_link,
57};
58
47static void debugfs_u8_set(void *data, u64 val) 59static void debugfs_u8_set(void *data, u64 val)
48{ 60{
49 *(u8 *)data = val; 61 *(u8 *)data = val;