On Fri, Aug 31, 2018 at 10:46:36AM +0300, Nikolay Borisov wrote: > > > On 30.08.2018 20:42, Josef Bacik wrote: > > We still need to do all of the accounting cleanup for pending block > > groups if we abort. So set the ret to trans->aborted so if we aborted > > the cleanup happens and everybody is happy. > > > > Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx> > > --- > > fs/btrfs/extent-tree.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c > > index 90f267f4dd0f..132a1157982c 100644 > > --- a/fs/btrfs/extent-tree.c > > +++ b/fs/btrfs/extent-tree.c > > @@ -10333,7 +10333,7 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans) > > struct btrfs_root *extent_root = fs_info->extent_root; > > struct btrfs_block_group_item item; > > struct btrfs_key key; > > - int ret = 0; > > + int ret = trans->aborted; > > This is really subtle and magical and not obvious from the context of > the patch, but if the transaction is aborted this will change the loop > to actually just delete all block groups in ->new_bgs. I'd rather have > an explicit loop for that honestly. We need it this way in case creating the bg's errors out anyway, there's no sense in adding a bunch of code to do something we have to handle already anyway. Thanks, Josef
