Btrfs: smarter transaction writeback

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index afc5267..652cf30 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -762,6 +762,7 @@ struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
        BUG_ON(ret);
        buf = btrfs_find_create_tree_block(root, ins.objectid);
        set_buffer_uptodate(buf);
+       set_radix_bit(&trans->transaction->dirty_pages, buf->b_page->index);
        return buf;
 }
 

diff --cc fs/btrfs/super.c
Simple merge

diff --cc fs/btrfs/transaction.c
Simple merge

diff --cc fs/btrfs/transaction.h
Simple merge