#include <linux/init.h>
#endif
-static kmem_cache_t *jbd2_revoke_record_cache;
-static kmem_cache_t *jbd2_revoke_table_cache;
+static struct kmem_cache *jbd2_revoke_record_cache;
+static struct kmem_cache *jbd2_revoke_table_cache;
/* Each revoke record represents one single revoked block. During
journal replay, this involves recording the transaction ID of the
{
struct list_head hash;
tid_t sequence; /* Used for recovery only */
- unsigned long blocknr;
+ unsigned long long blocknr;
};
/* Utility functions to maintain the revoke table */
/* Borrowed from buffer.c: this is a tried and tested block hash function */
-static inline int hash(journal_t *journal, unsigned long block)
+static inline int hash(journal_t *journal, unsigned long long block)
{
struct jbd2_revoke_table_s *table = journal->j_revoke;
int hash_shift = table->hash_shift;
+ int hash = (int)block ^ (int)((block >> 31) >> 1);
- return ((block << (hash_shift - 6)) ^
- (block >> 13) ^
- (block << (hash_shift - 12))) & (table->hash_size - 1);
+ return ((hash << (hash_shift - 6)) ^
+ (hash >> 13) ^
+ (hash << (hash_shift - 12))) & (table->hash_size - 1);
}
-static int insert_revoke_hash(journal_t *journal, unsigned long blocknr,
+static int insert_revoke_hash(journal_t *journal, unsigned long long blocknr,
tid_t seq)
{
struct list_head *hash_list;
/* Find a revoke record in the journal's hash table. */
static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal,
- unsigned long blocknr)
+ unsigned long long blocknr)
{
struct list_head *hash_list;
struct jbd2_revoke_record_s *record;
* by one.
*/
-int jbd2_journal_revoke(handle_t *handle, unsigned long blocknr,
+int jbd2_journal_revoke(handle_t *handle, unsigned long long blocknr,
struct buffer_head *bh_in)
{
struct buffer_head *bh = NULL;
}
}
- jbd_debug(2, "insert revoke for block %lu, bh_in=%p\n", blocknr, bh_in);
+ jbd_debug(2, "insert revoke for block %llu, bh_in=%p\n",blocknr, bh_in);
err = insert_revoke_hash(journal, blocknr,
handle->h_transaction->t_tid);
BUFFER_TRACE(bh_in, "exit");
*descriptorp = descriptor;
}
- * ((__be32 *)(&jh2bh(descriptor)->b_data[offset])) =
- cpu_to_be32(record->blocknr);
- offset += 4;
+ if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) {
+ * ((__be64 *)(&jh2bh(descriptor)->b_data[offset])) =
+ cpu_to_be64(record->blocknr);
+ offset += 8;
+
+ } else {
+ * ((__be32 *)(&jh2bh(descriptor)->b_data[offset])) =
+ cpu_to_be32(record->blocknr);
+ offset += 4;
+ }
+
*offsetp = offset;
}
*/
int jbd2_journal_set_revoke(journal_t *journal,
- unsigned long blocknr,
+ unsigned long long blocknr,
tid_t sequence)
{
struct jbd2_revoke_record_s *record;
*/
int jbd2_journal_test_revoke(journal_t *journal,
- unsigned long blocknr,
+ unsigned long long blocknr,
tid_t sequence)
{
struct jbd2_revoke_record_s *record;