diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/jbd/revoke.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index 8898bbd2b61e..dcead636c33b 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -93,6 +93,7 @@ #include <linux/bio.h> #endif #include <linux/log2.h> +#include <linux/hash.h> static struct kmem_cache *revoke_record_cache; static struct kmem_cache *revoke_table_cache; @@ -129,15 +130,11 @@ static void flush_descriptor(journal_t *, struct journal_head *, int, 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 int block) { struct jbd_revoke_table_s *table = journal->j_revoke; - int hash_shift = table->hash_shift; - return ((block << (hash_shift - 6)) ^ - (block >> 13) ^ - (block << (hash_shift - 12))) & (table->hash_size - 1); + return hash_32(block, table->hash_shift); } static int insert_revoke_hash(journal_t *journal, unsigned int blocknr, |