From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:21231 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752180AbcEIVbu (ORCPT ); Mon, 9 May 2016 17:31:50 -0400 Date: Mon, 9 May 2016 14:33:37 -0700 From: Liu Bo To: Josef Bacik Cc: linux-btrfs@vger.kernel.org Subject: Re: [PATCH 12/14] Btrfs: fix release reserved extents trace points Message-ID: <20160509213337.GC4954@localhost.localdomain> Reply-To: bo.li.liu@oracle.com References: <1458926760-17563-1-git-send-email-jbacik@fb.com> <1458926760-17563-13-git-send-email-jbacik@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1458926760-17563-13-git-send-email-jbacik@fb.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, Mar 25, 2016 at 01:25:58PM -0400, Josef Bacik wrote: > We were doing trace_btrfs_release_reserved_extent() in pin_down_extent which > isn't quite right because we will go through and free that extent later when we > unpin, so it messes up apps that are accounting for the reservation space. We > were also unconditionally doing it in __btrfs_free_reserved_extent(), when we > only actually free the reservation instead of pinning the extent. Thanks, Reviewed-by: Liu Bo Thanks, -liubo > > Signed-off-by: Josef Bacik > --- > fs/btrfs/extent-tree.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c > index 0ecceea..273e18d 100644 > --- a/fs/btrfs/extent-tree.c > +++ b/fs/btrfs/extent-tree.c > @@ -6253,8 +6253,6 @@ static int pin_down_extent(struct btrfs_root *root, > cache->space_info->flags, num_bytes, 1); > set_extent_dirty(root->fs_info->pinned_extents, bytenr, > bytenr + num_bytes - 1, GFP_NOFS | __GFP_NOFAIL); > - if (reserved) > - trace_btrfs_reserved_extent_free(root, bytenr, num_bytes); > return 0; > } > > @@ -7877,12 +7875,10 @@ static int __btrfs_free_reserved_extent(struct btrfs_root *root, > ret = btrfs_discard_extent(root, start, len, NULL); > btrfs_add_free_space(cache, start, len); > btrfs_update_reserved_bytes(cache, len, RESERVE_FREE, delalloc); > + trace_btrfs_reserved_extent_free(root, start, len); > } > > btrfs_put_block_group(cache); > - > - trace_btrfs_reserved_extent_free(root, start, len); > - > return ret; > } > > -- > 2.5.0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html