diff options
Diffstat (limited to 'fs/jbd2/revoke.c')
| -rw-r--r-- | fs/jbd2/revoke.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index 8aac875bd301..3310a1d7ace9 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -81,7 +81,7 @@ struct jbd2_revoke_record_s { struct list_head hash; tid_t sequence; /* Used for recovery only */ - unsigned long blocknr; + sector_t blocknr; }; @@ -106,17 +106,18 @@ static void flush_descriptor(journal_t *, struct journal_head *, int); /* 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, sector_t 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, sector_t blocknr, tid_t seq) { struct list_head *hash_list; @@ -146,7 +147,7 @@ oom: /* 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) + sector_t blocknr) { struct list_head *hash_list; struct jbd2_revoke_record_s *record; @@ -325,7 +326,7 @@ void jbd2_journal_destroy_revoke(journal_t *journal) * by one. */ -int jbd2_journal_revoke(handle_t *handle, unsigned long blocknr, +int jbd2_journal_revoke(handle_t *handle, sector_t blocknr, struct buffer_head *bh_in) { struct buffer_head *bh = NULL; @@ -394,7 +395,7 @@ int jbd2_journal_revoke(handle_t *handle, unsigned long blocknr, } } - 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"); @@ -649,7 +650,7 @@ static void flush_descriptor(journal_t *journal, */ int jbd2_journal_set_revoke(journal_t *journal, - unsigned long blocknr, + sector_t blocknr, tid_t sequence) { struct jbd2_revoke_record_s *record; @@ -673,7 +674,7 @@ int jbd2_journal_set_revoke(journal_t *journal, */ int jbd2_journal_test_revoke(journal_t *journal, - unsigned long blocknr, + sector_t blocknr, tid_t sequence) { struct jbd2_revoke_record_s *record; |