lustre/kernel_patches/patches/ext3-raw-lookup-2.6.10.patch

   1 Index: linux-2.6.10/fs/ext3/namei.c
   2 ===================================================================
   3 --- linux-2.6.10.orig/fs/ext3/namei.c   2005-05-31 22:20:10.000000000 +0800
   4 +++ linux-2.6.10/fs/ext3/namei.c        2005-05-31 22:20:10.000000000 +0800
   5 @@ -1178,6 +1178,36 @@
   6         return iopen_connect_dentry(dentry, inode, 1);
   7  }
   8
   9 +static int ext3_lookup_raw(struct inode *dir, const char *name,
  10 +                           int len, ino_t *data)
  11 +{
  12 +       struct ext3_dir_entry_2 *de;
  13 +       struct buffer_head *bh;
  14 +       struct dentry parent;
  15 +       struct dentry dentry;
  16 +       void *lock = NULL;
  17 +
  18 +       if (len > EXT3_NAME_LEN)
  19 +               return -ENAMETOOLONG;
  20 +
  21 +       parent.d_inode = dir;
  22 +       dentry.d_parent = &parent;
  23 +       dentry.d_name.name = name;
  24 +       dentry.d_name.len = len;
  25 +
  26 +       bh = ext3_find_entry(&dentry, &de, 0, &lock);
  27 +       if (bh) {
  28 +               unsigned long ino = le32_to_cpu(de->inode);
  29 +               ext3_unlock_htree(dir, lock);
  30 +               brelse (bh);
  31 +               if (data)
  32 +                       *data = ino;
  33 +               return 0; /* found name */
  34 +       }
  35 +
  36 +       return -ENOENT;
  37 +}
  38 +
  39
  40  struct dentry *ext3_get_parent(struct dentry *child)
  41  {
  42 @@ -2854,6 +2884,7 @@
  43  struct inode_operations ext3_dir_inode_operations = {
  44         .create         = ext3_create,
  45         .lookup         = ext3_lookup,
  46 +       .lookup_raw     = ext3_lookup_raw,
  47         .link           = ext3_link,
  48         .unlink         = ext3_unlink,
  49         .symlink        = ext3_symlink,