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Commit a5005da2 authored by Mingming Cao's avatar Mingming Cao Committed by Theodore Ts'o
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JBD: 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 af1e76d6

fs/jbd/journal.c

+1 −10
Original line number Diff line number Diff line
@@ -653,7 +653,7 @@ static journal_t * journal_init_common (void) 
	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));
@@ -1606,15 +1606,6 @@ int journal_blocks_per_page(struct inode *inode) 
	return 1 << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);

}



/*

 * 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

 */

fs/jbd/transaction.c

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


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;

include/linux/jbd.h

+0 −6
Original line number Diff line number Diff line
@@ -72,12 +72,6 @@ extern int journal_enable_debug; 
#define jbd_debug(f, a...)	/**/

#endif



extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry);

#define jbd_kmalloc(size, flags) \

	__jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)

#define jbd_rep_kmalloc(size, flags) \

	__jbd_kmalloc(__FUNCTION__, (size), (flags), 1)



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

{

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