[XFS] Remove unneeded conditional code on NFS export interface related

[linux-2.6] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index a507b58550f1a9a2182f2b67bdb4288ef3652c2c..23f1f3a68077b87c947a350ee57b30ee3aa94ed6 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -493,7 +493,7 @@ static void free_more_memory(void)
        wakeup_pdflush(1024);
        yield();
 
-       for_each_pgdat(pgdat) {
+       for_each_online_pgdat(pgdat) {
                zones = pgdat->node_zonelists[gfp_zone(GFP_NOFS)].zones;
                if (*zones)
                        try_to_free_pages(zones, GFP_NOFS);
@@ -798,8 +798,7 @@ void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode)
        if (!mapping->assoc_mapping) {
                mapping->assoc_mapping = buffer_mapping;
        } else {
-               if (mapping->assoc_mapping != buffer_mapping)
-                       BUG();
+               BUG_ON(mapping->assoc_mapping != buffer_mapping);
        }
        if (list_empty(&bh->b_assoc_buffers)) {
                spin_lock(&buffer_mapping->private_lock);
@@ -1116,8 +1115,7 @@ grow_dev_page(struct block_device *bdev, sector_t block,
        if (!page)
                return NULL;
 
-       if (!PageLocked(page))
-               BUG();
+       BUG_ON(!PageLocked(page));
 
        if (page_has_buffers(page)) {
                bh = page_buffers(page);
@@ -1524,8 +1522,7 @@ void set_bh_page(struct buffer_head *bh,
                struct page *page, unsigned long offset)
 {
        bh->b_page = page;
-       if (offset >= PAGE_SIZE)
-               BUG();
+       BUG_ON(offset >= PAGE_SIZE);
        if (PageHighMem(page))
                /*
                 * This catches illegal uses and preserves the offset: