1 files changed, 9 insertions, 3 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index abb922daf1b6..89bbde46bd83 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2421,6 +2421,7 @@ static int extent_write_cache_pages(struct extent_io_tree *tree,
         pgoff_t index;
         pgoff_t end;            /* Inclusive */
         int scanned = 0;
+        int tag;
 
         pagevec_init(&pvec, 0);
         if (wbc->range_cyclic) {
@@ -2431,11 +2432,16 @@ static int extent_write_cache_pages(struct extent_io_tree *tree,
                 end = wbc->range_end >> PAGE_CACHE_SHIFT;
                 scanned = 1;
         }
+        if (wbc->sync_mode == WB_SYNC_ALL)
+                tag = PAGECACHE_TAG_TOWRITE;
+        else
+                tag = PAGECACHE_TAG_DIRTY;
 retry:
+        if (wbc->sync_mode == WB_SYNC_ALL)
+                tag_pages_for_writeback(mapping, index, end);
         while (!done && !nr_to_write_done && (index <= end) &&
-               (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
-                              PAGECACHE_TAG_DIRTY, min(end - index,
-                                  (pgoff_t)PAGEVEC_SIZE-1) + 1))) {
+               (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,
+                        min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1))) {
                 unsigned i;
 
                 scanned = 1;