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Subject[PATCH] jbd2: JBD replace jbd2_kmalloc with kmalloc
From
Date
JBD2: JBD2 replace jbd2_kmalloc with kmalloc

From: Mingming Cao <cmm@us.ibm.com>

This patch cleans up jbd_kmalloc and replace it with kmalloc directly

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
---

fs/jbd2/journal.c | 11 +----------
fs/jbd2/transaction.c | 4 ++--
include/linux/jbd2.h | 7 -------
3 files changed, 3 insertions(+), 19 deletions(-)


Index: linux-2.6.23-rc9/fs/jbd2/journal.c
===================================================================
--- linux-2.6.23-rc9.orig/fs/jbd2/journal.c 2007-10-05 12:08:26.000000000 -0700
+++ linux-2.6.23-rc9/fs/jbd2/journal.c 2007-10-05 12:08:32.000000000 -0700
@@ -654,7 +654,7 @@ static journal_t * journal_init_common (
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));
@@ -1619,15 +1619,6 @@ size_t journal_tag_bytes(journal_t *jour
}

/*
- * Simple support for retrying memory allocations. Introduced to help to
- * debug different VM deadlock avoidance strategies.
- */
-void * __jbd2_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 *jbd2_journal_head_cache;
Index: linux-2.6.23-rc9/fs/jbd2/transaction.c
===================================================================
--- linux-2.6.23-rc9.orig/fs/jbd2/transaction.c 2007-10-05 12:08:26.000000000 -0700
+++ linux-2.6.23-rc9/fs/jbd2/transaction.c 2007-10-05 12:08:32.000000000 -0700
@@ -96,8 +96,8 @@ static int start_this_handle(journal_t *

alloc_transaction:
if (!journal->j_running_transaction) {
- new_transaction = jbd_kmalloc(sizeof(*new_transaction),
- GFP_NOFS);
+ new_transaction = kmalloc(sizeof(*new_transaction),
+ GFP_NOFS|__GFP_NOFAIL);
if (!new_transaction) {
ret = -ENOMEM;
goto out;
Index: linux-2.6.23-rc9/include/linux/jbd2.h
===================================================================
--- linux-2.6.23-rc9.orig/include/linux/jbd2.h 2007-10-05 12:08:26.000000000 -0700
+++ linux-2.6.23-rc9/include/linux/jbd2.h 2007-10-05 12:08:32.000000000 -0700
@@ -71,13 +71,6 @@ extern u8 jbd2_journal_enable_debug;
#define jbd_debug(f, a...) /**/
#endif

-extern void * __jbd2_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
-#define jbd_kmalloc(size, flags) \
- __jbd2_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
-#define jbd_rep_kmalloc(size, flags) \
- __jbd2_kmalloc(__FUNCTION__, (size), (flags), 1)
-
-
static inline void *jbd2_alloc(size_t size, gfp_t flags)
{
return (void *)__get_free_pages(flags, get_order(size));

-
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