On 2019/12/5 下午12:29, damenly.su@xxxxxxxxx wrote: > From: Su Yue <Damenly_Su@xxxxxxx> > > Just break loop and return the error code if failed. > Functions in the call chain are able to handle it. > > Signed-off-by: Su Yue <Damenly_Su@xxxxxxx> Reviewed-by: Qu Wenruo <wqu@xxxxxxxx> > --- > extent-tree.c | 4 +++- > transaction.c | 4 +++- > 2 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/extent-tree.c b/extent-tree.c > index 53be4f4c7369..4a3db029e811 100644 > --- a/extent-tree.c > +++ b/extent-tree.c > @@ -1596,9 +1596,11 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans) > > cache = (struct btrfs_block_group_cache *)(unsigned long)ptr; > ret = write_one_cache_group(trans, path, cache); > + if (ret) > + break; > } > btrfs_free_path(path); > - return 0; > + return ret; > } > > static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info, > diff --git a/transaction.c b/transaction.c > index 45bb9e1f9de6..c9035c765a74 100644 > --- a/transaction.c > +++ b/transaction.c > @@ -77,7 +77,9 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, > &root->root_item); > if (ret < 0) > return ret; > - btrfs_write_dirty_block_groups(trans); > + ret = btrfs_write_dirty_block_groups(trans); > + if (ret) > + return ret; > } Another hint for later cleanup. What about killing that while (1) loop in another patch as a cleanup? Thanks, Qu > return 0; > } >
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