JBD: replace jbd_kmalloc with kmalloc directly

This patch cleans up jbd_kmalloc and replace it with kmalloc directly

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 7edf3fd..65c2904 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -653,7 +653,7 @@
 	journal_t *journal;
 	int err;
 
-	journal = jbd_kmalloc(sizeof(*journal), GFP_KERNEL);
+	journal = kmalloc(sizeof(*journal), GFP_KERNEL);
 	if (!journal)
 		goto fail;
 	memset(journal, 0, sizeof(*journal));
@@ -1607,15 +1607,6 @@
 }
 
 /*
- * Simple support for retrying memory allocations.  Introduced to help to
- * debug different VM deadlock avoidance strategies.
- */
-void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry)
-{
-	return kmalloc(size, flags | (retry ? __GFP_NOFAIL : 0));
-}
-
-/*
  * Journal_head storage management
  */
 static struct kmem_cache *journal_head_cache;