JBD: JBD slab allocation cleanups

JBD: Replace slab allocations with page allocations

JBD allocate memory for committed_data and frozen_data from slab. However
JBD should not pass slab pages down to the block layer. Use page allocator pages instead. This will also prepare JBD for the large blocksize patchset.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 8df5bac0b7a5..db8404514c92 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -675,7 +675,7 @@ repeat:
                                 JBUFFER_TRACE(jh, "allocate memory for buffer");
                                 jbd_unlock_bh_state(bh);
                                 frozen_buffer =
-                                        jbd_slab_alloc(jh2bh(jh)->b_size,
+                                        jbd_alloc(jh2bh(jh)->b_size,
                                                          GFP_NOFS);
                                 if (!frozen_buffer) {
                                         printk(KERN_EMERG
@@ -735,7 +735,7 @@ done:
 
 out:
         if (unlikely(frozen_buffer))    /* It's usually NULL */
-                jbd_slab_free(frozen_buffer, bh->b_size);
+                jbd_free(frozen_buffer, bh->b_size);
 
         JBUFFER_TRACE(jh, "exit");
         return error;
@@ -888,7 +888,7 @@ int journal_get_undo_access(handle_t *handle, struct buffer_head *bh)
 
 repeat:
         if (!jh->b_committed_data) {
-                committed_data = jbd_slab_alloc(jh2bh(jh)->b_size, GFP_NOFS);
+                committed_data = jbd_alloc(jh2bh(jh)->b_size, GFP_NOFS);
                 if (!committed_data) {
                         printk(KERN_EMERG "%s: No memory for committed data\n",
                                 __FUNCTION__);
@@ -915,7 +915,7 @@ repeat:
 out:
         journal_put_journal_head(jh);
         if (unlikely(committed_data))
-                jbd_slab_free(committed_data, bh->b_size);
+                jbd_free(committed_data, bh->b_size);
         return err;
 }