From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-f196.google.com ([209.85.222.196]:36875 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728113AbeIKW7P (ORCPT ); Tue, 11 Sep 2018 18:59:15 -0400 Received: by mail-qk1-f196.google.com with SMTP id f17-v6so17317468qkh.4 for ; Tue, 11 Sep 2018 10:58:49 -0700 (PDT) From: Josef Bacik To: kernel-team@fb.com, linux-btrfs@vger.kernel.org Cc: Josef Bacik Subject: [PATCH 21/36] btrfs: reset max_extent_size on clear in a bitmap Date: Tue, 11 Sep 2018 13:57:52 -0400 Message-Id: <20180911175807.26181-22-josef@toxicpanda.com> In-Reply-To: <20180911175807.26181-1-josef@toxicpanda.com> References: <20180911175807.26181-1-josef@toxicpanda.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: From: Josef Bacik We need to clear the max_extent_size when we clear bits from a bitmap since it could have been from the range that contains the max_extent_size. Reviewed-by: Liu Bo Signed-off-by: Josef Bacik --- fs/btrfs/free-space-cache.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 2e96ee7da3ec..d2a863a2ee24 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1687,6 +1687,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, bitmap_clear(info->bitmap, start, count); info->bytes -= bytes; + if (info->max_extent_size > ctl->unit) + info->max_extent_size = 0; } static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, -- 2.14.3