diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/tree-log.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 332ec35d2c0..d81cda2e077 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -158,6 +158,19 @@ static int btrfs_add_log_tree(struct btrfs_trans_handle *trans, */ new_root->ref_cows = 0; new_root->last_trans = trans->transid; + + /* + * we need to make sure the root block for this new tree + * is marked as dirty in the dirty_log_pages tree. This + * is how it gets flushed down to disk at tree log commit time. + * + * the tree logging mutex keeps others from coming in and changing + * the new_root->node, so we can safely access it here + */ + set_extent_dirty(&new_root->dirty_log_pages, new_root->node->start, + new_root->node->start + new_root->node->len - 1, + GFP_NOFS); + fail: return ret; } |