summaryrefslogtreecommitdiff
path: root/fs/jbd2/revoke.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2014-11-01 18:53:27 (GMT)
committerDavid S. Miller <davem@davemloft.net>2014-11-01 18:53:27 (GMT)
commit55b42b5ca2dcf143465968697fe6c6503b05fca1 (patch)
tree91878cd53efc44ba67244d4d3897020828c87c01 /fs/jbd2/revoke.c
parent10738eeaf4ab3de092586cefcc082e7d43ca0044 (diff)
parentec1f1276022e4e3ca40871810217d513e39ff250 (diff)
downloadlinux-55b42b5ca2dcf143465968697fe6c6503b05fca1.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/phy/marvell.c Simple overlapping changes in drivers/net/phy/marvell.c Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/jbd2/revoke.c')
-rw-r--r--fs/jbd2/revoke.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index d5e95a1..c6cbaef 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -92,6 +92,7 @@
#include <linux/init.h>
#include <linux/bio.h>
#include <linux/log2.h>
+#include <linux/hash.h>
#endif
static struct kmem_cache *jbd2_revoke_record_cache;
@@ -130,16 +131,9 @@ static void flush_descriptor(journal_t *, struct buffer_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 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 ((hash << (hash_shift - 6)) ^
- (hash >> 13) ^
- (hash << (hash_shift - 12))) & (table->hash_size - 1);
+ return hash_64(block, journal->j_revoke->hash_shift);
}
static int insert_revoke_hash(journal_t *journal, unsigned long long blocknr,