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authorAl Viro <viro@zeniv.linux.org.uk>2014-12-08 20:39:29 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-12-08 20:39:29 -0500
commitba00410b8131b23edfb0e09f8b6dd26c8eb621fb (patch)
treec08504e4d2fa51ac91cef544f336d0169806c49f /fs/jbd/revoke.c
parent8ce74dd6057832618957fc2cbd38fa959c3a0a6c (diff)
parentaa583096d9767892983332e7c1a984bd17e3cd39 (diff)
downloadlinux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.tar.bz2
Merge branch 'iov_iter' into for-next
Diffstat (limited to 'fs/jbd/revoke.c')
-rw-r--r--fs/jbd/revoke.c7
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,