cifs: reduce roundtrips on create/qinfo requests

[linux-2.6-microblaze.git] / fs / cifs / misc.c

diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 1cbecd6..0621759 100644 (file)
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -1314,49 +1314,4 @@ int cifs_update_super_prepath(struct cifs_sb_info *cifs_sb, char *prefix)
        cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
        return 0;
 }
-
-/** cifs_dfs_query_info_nonascii_quirk
- * Handle weird Windows SMB server behaviour. It responds with
- * STATUS_OBJECT_NAME_INVALID code to SMB2 QUERY_INFO request
- * for "\<server>\<dfsname>\<linkpath>" DFS reference,
- * where <dfsname> contains non-ASCII unicode symbols.
- *
- * Check such DFS reference.
- */
-int cifs_dfs_query_info_nonascii_quirk(const unsigned int xid,
-                                      struct cifs_tcon *tcon,
-                                      struct cifs_sb_info *cifs_sb,
-                                      const char *linkpath)
-{
-       char *treename, *dfspath, sep;
-       int treenamelen, linkpathlen, rc;
-
-       treename = tcon->tree_name;
-       /* MS-DFSC: All paths in REQ_GET_DFS_REFERRAL and RESP_GET_DFS_REFERRAL
-        * messages MUST be encoded with exactly one leading backslash, not two
-        * leading backslashes.
-        */
-       sep = CIFS_DIR_SEP(cifs_sb);
-       if (treename[0] == sep && treename[1] == sep)
-               treename++;
-       linkpathlen = strlen(linkpath);
-       treenamelen = strnlen(treename, MAX_TREE_SIZE + 1);
-       dfspath = kzalloc(treenamelen + linkpathlen + 1, GFP_KERNEL);
-       if (!dfspath)
-               return -ENOMEM;
-       if (treenamelen)
-               memcpy(dfspath, treename, treenamelen);
-       memcpy(dfspath + treenamelen, linkpath, linkpathlen);
-       rc = dfs_cache_find(xid, tcon->ses, cifs_sb->local_nls,
-                           cifs_remap(cifs_sb), dfspath, NULL, NULL);
-       if (rc == 0) {
-               cifs_dbg(FYI, "DFS ref '%s' is found, emulate -EREMOTE\n",
-                        dfspath);
-               rc = -EREMOTE;
-       } else {
-               cifs_dbg(FYI, "%s: dfs_cache_find returned %d\n", __func__, rc);
-       }
-       kfree(dfspath);
-       return rc;
-}
 #endif