#include <linux/buffer_head.h>
#include <linux/string.h>
-#include <linux/smp_lock.h>
#include <linux/exportfs.h>
#include "efs.h"
efs_ino_t inodenum;
struct inode * inode = NULL;
- lock_kernel();
inodenum = efs_find_entry(dir, dentry->d_name.name, dentry->d_name.len);
if (inodenum) {
inode = efs_iget(dir->i_sb, inodenum);
- if (IS_ERR(inode)) {
- unlock_kernel();
+ if (IS_ERR(inode))
return ERR_CAST(inode);
- }
}
- unlock_kernel();
- d_add(dentry, inode);
- return NULL;
+ return d_splice_alias(inode, dentry);
}
static struct inode *efs_nfs_get_inode(struct super_block *sb, u64 ino,
struct dentry *efs_get_parent(struct dentry *child)
{
- struct dentry *parent;
- struct inode *inode;
+ struct dentry *parent = ERR_PTR(-ENOENT);
efs_ino_t ino;
- long error;
- lock_kernel();
-
- error = -ENOENT;
ino = efs_find_entry(child->d_inode, "..", 2);
- if (!ino)
- goto fail;
+ if (ino)
+ parent = d_obtain_alias(efs_iget(child->d_inode->i_sb, ino));
- inode = efs_iget(child->d_inode->i_sb, ino);
- if (IS_ERR(inode)) {
- error = PTR_ERR(inode);
- goto fail;
- }
-
- error = -ENOMEM;
- parent = d_alloc_anon(inode);
- if (!parent)
- goto fail_iput;
-
- unlock_kernel();
return parent;
-
- fail_iput:
- iput(inode);
- fail:
- unlock_kernel();
- return ERR_PTR(error);
}