lustre/smfs/symlink.c

   1 /*
   2  *  smfs/symlink.c
   3  *
   4  *
   5  */
   6 #define DEBUG_SUBSYSTEM S_SNAP
   7
   8 #include <linux/kmod.h>
   9 #include <linux/init.h>
  10 #include <linux/fs.h>
  11 #include <linux/slab.h>
  12 #include <linux/string.h>
  13
  14 #include "smfs_internal.h"
  15
  16 static int smfs_readlink(struct dentry * dentry, char * buffer, int buflen)
  17 {
  18         struct inode *cache_inode = I2CI(dentry->d_inode);
  19         int rc = 0;
  20
  21         if (cache_inode->i_op && cache_inode->i_op->readlink)
  22                 rc = cache_inode->i_op->readlink(dentry, buffer, buflen);
  23
  24         return rc;
  25 }
  26
  27 static int smfs_follow_link(struct dentry *dentry, struct nameidata *nd)
  28 {
  29         struct inode *cache_inode = I2CI(dentry->d_inode);
  30         int rc = 0;
  31
  32         if (cache_inode->i_op && cache_inode->i_op->follow_link)
  33                 rc = cache_inode->i_op->follow_link(dentry, nd);
  34
  35         return rc;
  36
  37 }
  38 struct inode_operations smfs_sym_iops = {
  39         readlink:       smfs_readlink,
  40         follow_link:    smfs_follow_link,
  41 };
  42
  43 struct file_operations smfs_sym_fops = {
  44 };