debugfs: switch to simple_follow_link()

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 830a7e7..284f9aa 100644 (file)
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -17,7 +17,6 @@
 #include <linux/fs.h>
 #include <linux/seq_file.h>
 #include <linux/pagemap.h>
-#include <linux/namei.h>
 #include <linux/debugfs.h>
 #include <linux/io.h>
 #include <linux/slab.h>
@@ -43,17 +42,6 @@ const struct file_operations debugfs_file_operations = {
        .llseek =       noop_llseek,
 };
 
-static void *debugfs_follow_link(struct dentry *dentry, struct nameidata *nd)
-{
-       nd_set_link(nd, d_inode(dentry)->i_private);
-       return NULL;
-}
-
-const struct inode_operations debugfs_link_operations = {
-       .readlink       = generic_readlink,
-       .follow_link    = debugfs_follow_link,
-};
-
 static int debugfs_u8_set(void *data, u64 val)
 {
        *(u8 *)data = val;

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index c1e7ffb..7eaec88 100644 (file)
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -174,7 +174,7 @@ static void debugfs_evict_inode(struct inode *inode)
        truncate_inode_pages_final(&inode->i_data);
        clear_inode(inode);
        if (S_ISLNK(inode->i_mode))
-               kfree(inode->i_private);
+               kfree(inode->i_link);
 }
 
 static const struct super_operations debugfs_super_operations = {
@@ -511,8 +511,8 @@ struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
                return failed_creating(dentry);
        }
        inode->i_mode = S_IFLNK | S_IRWXUGO;
-       inode->i_op = &debugfs_link_operations;
-       inode->i_private = link;
+       inode->i_op = &simple_symlink_inode_operations;
+       inode->i_link = link;
        d_instantiate(dentry, inode);
        return end_creating(dentry);
 }

diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index cb25af4..420311b 100644 (file)
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -45,7 +45,6 @@ extern struct dentry *arch_debugfs_dir;
 
 /* declared over in file.c */
 extern const struct file_operations debugfs_file_operations;
-extern const struct inode_operations debugfs_link_operations;
 
 struct dentry *debugfs_create_file(const char *name, umode_t mode,
                                   struct dentry *parent, void *data,