1 files changed, 15 insertions, 29 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 39ff14403d13..a073f3f4f013 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -360,16 +360,19 @@ void invalidate_bdev(struct block_device *bdev)
  */
 static void free_more_memory(void)
 {
-        struct zone **zones;
-        pg_data_t *pgdat;
+        struct zone *zone;
+        int nid;
 
         wakeup_pdflush(1024);
         yield();
 
-        for_each_online_pgdat(pgdat) {
-                zones = pgdat->node_zonelists[gfp_zone(GFP_NOFS)].zones;
-                if (*zones)
-                        try_to_free_pages(zones, 0, GFP_NOFS);
+        for_each_online_node(nid) {
+                (void)first_zones_zonelist(node_zonelist(nid, GFP_NOFS),
+                                                gfp_zone(GFP_NOFS), NULL,
+                                                &zone);
+                if (zone)
+                        try_to_free_pages(node_zonelist(nid, GFP_NOFS), 0,
+                                                GFP_NOFS);
         }
 }
 
@@ -1098,7 +1101,7 @@ grow_buffers(struct block_device *bdev, sector_t block, int size)
 
                 printk(KERN_ERR "%s: requested out-of-range block %llu for "
                         "device %s\n",
-                        __FUNCTION__, (unsigned long long)block,
+                        __func__, (unsigned long long)block,
                         bdevname(bdev, b));
                 return -EIO;
         }
@@ -2208,8 +2211,8 @@ out:
         return err;
 }
 
-int cont_expand_zero(struct file *file, struct address_space *mapping,
-                        loff_t pos, loff_t *bytes)
+static int cont_expand_zero(struct file *file, struct address_space *mapping,
+                            loff_t pos, loff_t *bytes)
 {
         struct inode *inode = mapping->host;
         unsigned blocksize = 1 << inode->i_blkbits;
@@ -2243,6 +2246,8 @@ int cont_expand_zero(struct file *file, struct address_space *mapping,
                         goto out;
                 BUG_ON(err != len);
                 err = 0;
+
+                balance_dirty_pages_ratelimited(mapping);
         }
 
         /* page covers the boundary, find the boundary offset */
@@ -2323,23 +2328,6 @@ int block_commit_write(struct page *page, unsigned from, unsigned to)
         return 0;
 }
 
-int generic_commit_write(struct file *file, struct page *page,
-                unsigned from, unsigned to)
-{
-        struct inode *inode = page->mapping->host;
-        loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to;
-        __block_commit_write(inode,page,from,to);
-        /*
-         * No need to use i_size_read() here, the i_size
-         * cannot change under us because we hold i_mutex.
-         */
-        if (pos > inode->i_size) {
-                i_size_write(inode, pos);
-                mark_inode_dirty(inode);
-        }
-        return 0;
-}
-
 /*
  * block_page_mkwrite() is not allowed to change the file size as it gets
  * called from a page fault handler when a page is first dirtied. Hence we must
@@ -3180,8 +3168,7 @@ static void recalc_bh_state(void)
         
 struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
 {
-        struct buffer_head *ret = kmem_cache_alloc(bh_cachep,
-                                set_migrateflags(gfp_flags, __GFP_RECLAIMABLE));
+        struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
         if (ret) {
                 INIT_LIST_HEAD(&ret->b_assoc_buffers);
                 get_cpu_var(bh_accounting).nr++;
@@ -3311,7 +3298,6 @@ EXPORT_SYMBOL(end_buffer_write_sync);
 EXPORT_SYMBOL(file_fsync);
 EXPORT_SYMBOL(fsync_bdev);
 EXPORT_SYMBOL(generic_block_bmap);
-EXPORT_SYMBOL(generic_commit_write);
 EXPORT_SYMBOL(generic_cont_expand_simple);
 EXPORT_SYMBOL(init_buffer);
 EXPORT_SYMBOL(invalidate_bdev);