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debugfs: switch to simple_follow_link() 

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-02 10:27:18 -04:00
parent 60380f193e
commit 5723cb01f0
3 changed files with 3 additions and 16 deletions
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12
fs/debugfs/file.c
View File

@ -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;

6
fs/debugfs/inode.c
View File

@ -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);
}

1
include/linux/debugfs.h
View File

@ -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,