JBD2: jbd2 slab allocation cleanups

JBD2: Replace slab allocations with page allocations

JBD2 allocate memory for committed_data and frozen_data from slab. However
JBD2 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, 7 insertions, 7 deletions

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 7946ff43fc40..bd047f9af8e7 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -236,7 +236,7 @@ out:
 /* Allocate a new handle.  This should probably be in a slab... */
 static handle_t *new_handle(int nblocks)
 {
-        handle_t *handle = jbd_alloc_handle(GFP_NOFS);
+        handle_t *handle = jbd2_alloc_handle(GFP_NOFS);
         if (!handle)
                 return NULL;
         memset(handle, 0, sizeof(*handle));
@@ -282,7 +282,7 @@ handle_t *jbd2_journal_start(journal_t *journal, int nblocks)
 
         err = start_this_handle(journal, handle);
         if (err < 0) {
-                jbd_free_handle(handle);
+                jbd2_free_handle(handle);
                 current->journal_info = NULL;
                 handle = ERR_PTR(err);
         }
@@ -668,7 +668,7 @@ repeat:
                                 JBUFFER_TRACE(jh, "allocate memory for buffer");
                                 jbd_unlock_bh_state(bh);
                                 frozen_buffer =
-                                        jbd2_slab_alloc(jh2bh(jh)->b_size,
+                                        jbd2_alloc(jh2bh(jh)->b_size,
                                                          GFP_NOFS);
                                 if (!frozen_buffer) {
                                         printk(KERN_EMERG
@@ -728,7 +728,7 @@ done:
 
 out:
         if (unlikely(frozen_buffer))    /* It's usually NULL */
-                jbd2_slab_free(frozen_buffer, bh->b_size);
+                jbd2_free(frozen_buffer, bh->b_size);
 
         JBUFFER_TRACE(jh, "exit");
         return error;
@@ -881,7 +881,7 @@ int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh)
 
 repeat:
         if (!jh->b_committed_data) {
-                committed_data = jbd2_slab_alloc(jh2bh(jh)->b_size, GFP_NOFS);
+                committed_data = jbd2_alloc(jh2bh(jh)->b_size, GFP_NOFS);
                 if (!committed_data) {
                         printk(KERN_EMERG "%s: No memory for committed data\n",
                                 __FUNCTION__);
@@ -908,7 +908,7 @@ repeat:
 out:
         jbd2_journal_put_journal_head(jh);
         if (unlikely(committed_data))
-                jbd2_slab_free(committed_data, bh->b_size);
+                jbd2_free(committed_data, bh->b_size);
         return err;
 }
 
@@ -1411,7 +1411,7 @@ int jbd2_journal_stop(handle_t *handle)
                 spin_unlock(&journal->j_state_lock);
         }
 
-        jbd_free_handle(handle);
+        jbd2_free_handle(handle);
         return err;
 }