1 files changed, 4 insertions, 1 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 865570fe0d39..904d59d1eb8e 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -35,6 +35,7 @@
 #include <linux/hash.h>
 #include <linux/suspend.h>
 #include <linux/buffer_head.h>
+#include <linux/task_io_accounting_ops.h>
 #include <linux/bio.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
@@ -729,8 +730,10 @@ int __set_page_dirty_buffers(struct page *page)
 
         write_lock_irq(&mapping->tree_lock);
         if (page->mapping) {    /* Race with truncate? */
-                if (mapping_cap_account_dirty(mapping))
+                if (mapping_cap_account_dirty(mapping)) {
                         __inc_zone_page_state(page, NR_FILE_DIRTY);
+                        task_io_account_write(PAGE_CACHE_SIZE);
+                }
                 radix_tree_tag_set(&mapping->page_tree,
                                 page_index(page), PAGECACHE_TAG_DIRTY);
         }