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Commit 2d917969 authored by Mingming Cao's avatar Mingming Cao Committed by Theodore Ts'o
Browse files

JBD2: replace jbd_kmalloc with kmalloc directly. 



This patch cleans up jbd_kmalloc and replace it with kmalloc directly

Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
parent a5005da2

fs/jbd2/journal.c

+1 −10
Original line number Original line Diff line number Diff line
@@ -654,7 +654,7 @@ static journal_t * journal_init_common (void) 
	journal_t *journal;

	journal_t *journal;

	int err;

	int err;





	journal = jbd_kmalloc(sizeof(*journal), GFP_KERNEL);

	journal = kmalloc(sizeof(*journal), GFP_KERNEL);

	if (!journal)

	if (!journal)

		goto fail;

		goto fail;

	memset(journal, 0, sizeof(*journal));

	memset(journal, 0, sizeof(*journal));
@@ -1618,15 +1618,6 @@ size_t journal_tag_bytes(journal_t *journal) 
		return JBD_TAG_SIZE32;

		return JBD_TAG_SIZE32;

}

}





/*

 * 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

 * Journal_head storage management

 */

 */

fs/jbd2/transaction.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -96,8 +96,8 @@ static int start_this_handle(journal_t *journal, handle_t *handle) 




alloc_transaction:

alloc_transaction:

	if (!journal->j_running_transaction) {

	if (!journal->j_running_transaction) {

		new_transaction = jbd_kmalloc(sizeof(*new_transaction),

		new_transaction = kmalloc(sizeof(*new_transaction),

						GFP_NOFS);

						GFP_NOFS|__GFP_NOFAIL);

		if (!new_transaction) {

		if (!new_transaction) {

			ret = -ENOMEM;

			ret = -ENOMEM;

			goto out;

			goto out;

include/linux/jbd2.h

+0 −7
Original line number Original line Diff line number Diff line
@@ -71,13 +71,6 @@ extern u8 jbd2_journal_enable_debug; 
#define jbd_debug(f, a...)	/**/

#define jbd_debug(f, a...)	/**/

#endif

#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)

static inline void *jbd2_alloc(size_t size, gfp_t flags)

{

{

	return (void *)__get_free_pages(flags, get_order(size));

	return (void *)__get_free_pages(flags, get_order(size));