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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-09 02:39:29 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-09 02:39:29 +0100 |
| commit | ba00410b8131b23edfb0e09f8b6dd26c8eb621fb (patch) | |
| tree | c08504e4d2fa51ac91cef544f336d0169806c49f /fs/jbd2/revoke.c | |
| parent | Merge tag 'trace-seq-file-cleanup' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
| parent | copy_from_iter_nocache() (diff) | |
| download | linux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.tar.xz linux-ba00410b8131b23edfb0e09f8b6dd26c8eb621fb.zip | |
Merge branch 'iov_iter' into for-next
Diffstat (limited to 'fs/jbd2/revoke.c')
| -rw-r--r-- | fs/jbd2/revoke.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index d5e95a175c92..c6cbaef2bda1 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, |