verity: remove verify_mode

dm-bht.c

  /*
  * Copyright (C) 2010 The Chromium OS Authors <chromium-os-dev@chromium.org>
  *
  * Device-Mapper block hash tree interface.
  * See Documentation/device-mapper/dm-bht.txt for details.
  *
  * This file is released under the GPL.
  */
 
 #include <asm/atomic.h>
@@ skipping 289 matching lines @@
         }
 
         /* Setup callback stubs */
         bht->read_cb = &dm_bht_read_callback_stub;
         bht->write_cb = &dm_bht_write_callback_stub;
 
         status = dm_bht_initialize_entries(bht);
         if (status)
                 goto bad_entries_alloc;
 
-        bht->verify_mode = DM_BHT_REVERIFY_LEAVES;
         bht->entry_readahead = 0;
         return 0;
 
 bad_entries_alloc:
         while (bht->depth-- > 0)
                 kfree(bht->levels[bht->depth].entries);
 bad_node_count:
         kfree(bht->levels);
 bad_level_alloc:
 bad_block_count:
@@ skipping 399 matching lines @@
                 node = dm_bht_get_node(bht, parent, depth, block_index);
                 page = virt_to_page(entry->nodes);
 
                 if (dm_bht_compute_hash(bht, page, digest) ||
                     dm_bht_compare_hash(bht, digest, node)) {
                         DMERR("failed to verify entry's hash against parent "
                               "(d=%u,bi=%u)", depth, block_index);
                         goto mismatch;
                 }
 
-                if (bht->verify_mode != DM_BHT_FULL_REVERIFY)
-                        atomic_cmpxchg(&entry->state,
-                                       DM_BHT_ENTRY_READY,
-                                       DM_BHT_ENTRY_VERIFIED);
+                atomic_cmpxchg(&entry->state,
+                               DM_BHT_ENTRY_READY,
+                               DM_BHT_ENTRY_VERIFIED);
 
                 entry = parent;
                 depth--;
         }
 
         return 0;
 
 mismatch:
         return DM_BHT_ENTRY_ERROR_MISMATCH;
 }
@@ skipping 418 matching lines @@
  * @bht:        pointer to a dm_bht_create()d bht
  * @write_cb:   callback function used for all write requests by @bht
  */
 void dm_bht_set_write_cb(struct dm_bht *bht, dm_bht_callback write_cb)
 {
         bht->write_cb = write_cb;
 }
 EXPORT_SYMBOL(dm_bht_set_write_cb);
 
 /**
- * dm_bht_set_verify_mode - set verify mode
- * @bht:        pointer to a dm_bht_create()d bht
- * @verify_mode:        indicate verification behavior
- */
-void dm_bht_set_verify_mode(struct dm_bht *bht, int verify_mode)
-{
-        bht->verify_mode = verify_mode;
-}
-EXPORT_SYMBOL(dm_bht_set_verify_mode);
-
-/**
  * dm_bht_set_entry_readahead - set verify mode
  * @bht:        pointer to a dm_bht_create()d bht
  * @readahead_count:    number of entries to readahead from a given level
  */
 void dm_bht_set_entry_readahead(struct dm_bht *bht,
                                 unsigned int readahead_count)
 {
         bht->entry_readahead = readahead_count;
 }
 EXPORT_SYMBOL(dm_bht_set_entry_readahead);
@@ skipping 46 matching lines @@
                 DMERR("no root digest exists to export");
                 if (available > 0)
                         *hexdigest = 0;
                 return -1;
         }
         dm_bht_bin_to_hex(bht->root_digest, hexdigest, bht->digest_size);
         return 0;
 }
 EXPORT_SYMBOL(dm_bht_root_hexdigest);