1 files changed, 4 insertions, 2 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 644e796fd643..d20dc05208fe 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -829,7 +829,9 @@ int btrfs_write_tree_block(struct extent_buffer *buf)
 int btrfs_wait_tree_block_writeback(struct extent_buffer *buf)
 {
         return btrfs_wait_on_page_writeback_range(buf->first_page->mapping,
-                                  buf->start, buf->start + buf->len - 1);
+                                  buf->start >> PAGE_CACHE_SHIFT,
+                                  (buf->start + buf->len - 1) >>
+                                   PAGE_CACHE_SHIFT);
 }
 
 struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
@@ -1630,7 +1632,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
         fs_info->sb = sb;
         fs_info->max_extent = (u64)-1;
         fs_info->max_inline = 8192 * 1024;
-        fs_info->metadata_ratio = 8;
+        fs_info->metadata_ratio = 0;
 
         fs_info->thread_pool_size = min_t(unsigned long,
                                           num_online_cpus() + 2, 8);