jbd2: allocate transaction from separate slab cache

There is normally only a handful of these active at any one time, but
putting them in a separate slab cache makes debugging memory
corruption problems easier.  Manish Katiyar also wanted this make it
easier to test memory failure scenarios in the jbd2 layer.

Cc: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 453c9068b7d7..253e91890e71 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -722,7 +722,7 @@ int __jbd2_journal_remove_checkpoint(struct journal_head *jh)
                                     transaction->t_tid, stats);
 
         __jbd2_journal_drop_transaction(journal, transaction);
-        kfree(transaction);
+        jbd2_journal_free_transaction(transaction);
 
         /* Just in case anybody was waiting for more transactions to be
            checkpointed... */