bcachefs: Fix try_decrease_writepoints()

We were freeing open buckets on the writepoint list, but forgetting to
take them off the writepoint list - whoops

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/alloc_foreground.c b/fs/bcachefs/alloc_foreground.c
index 06bfcc5a498abf5716db49e93da478ad0163f1ba..fcb7311b184463313b965b01ef1785c1bdc09c43 100644 (file)
--- a/fs/bcachefs/alloc_foreground.c
+++ b/fs/bcachefs/alloc_foreground.c
@@ -1193,6 +1193,7 @@ static bool try_decrease_writepoints(struct btree_trans *trans, unsigned old_nr)
        bch2_trans_mutex_lock_norelock(trans, &wp->lock);
        open_bucket_for_each(c, &wp->ptrs, ob, i)
                open_bucket_free_unused(c, ob);
+       wp->ptrs.nr = 0;
        mutex_unlock(&wp->lock);
        return true;
 }