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-rw-r--r--fs/jbd2/journal.c8
-rw-r--r--fs/jbd2/revoke.c10
2 files changed, 5 insertions, 13 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index e4dc74713a43..b96bd8076b70 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1714,8 +1714,7 @@ int jbd2_journal_destroy(journal_t *journal)
if (journal->j_proc_entry)
jbd2_stats_proc_exit(journal);
- if (journal->j_inode)
- iput(journal->j_inode);
+ iput(journal->j_inode);
if (journal->j_revoke)
jbd2_journal_destroy_revoke(journal);
if (journal->j_chksum_driver)
@@ -1853,13 +1852,12 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat,
journal->j_chksum_driver = NULL;
return 0;
}
- }
- /* Precompute checksum seed for all metadata */
- if (jbd2_journal_has_csum_v2or3(journal))
+ /* Precompute checksum seed for all metadata */
journal->j_csum_seed = jbd2_chksum(journal, ~0,
sb->s_uuid,
sizeof(sb->s_uuid));
+ }
}
/* If enabling v1 checksums, downgrade superblock */
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,