From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 07B33390229 for ; Thu, 14 May 2026 05:43:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778737385; cv=none; b=gVmiITfoOmmdc+r+06UWJNUAbZuGfuRPt08BOOgYxoigeFNlzhLMquWExKTOqm+4UVcljhoLvFHLjPF0udim+t+sZRDGNNfr2XIPamG8ZOXUTr0Gf5rbEOs2AGrdlKYqewgRGnWHBixOadkYTjPH6oNn4V1Obr0FAjZfrTQqYL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778737385; c=relaxed/simple; bh=sWG620i9qMrnr1EnBqFhfe3GA4VPV1arNM/TrNvc3KI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eoZKwiqCS38BN8i2Grn05fS+2MiWqQAUuFlfFZx6loylqtkAe1KQ/arJVNY1j/f09chrF5Yo2vnwyH9IWkhJTRJWjZuVx88CoCzlhs2ZHUMKsET4ZYvmO+2Taw2tvJxhb8ecEgqR4ewB7wgMV1E3tIn17oNs4Q3YxISW6cx+CgY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WqrQ8CIC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WqrQ8CIC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0C07C2BCB7; Thu, 14 May 2026 05:43:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778737384; bh=sWG620i9qMrnr1EnBqFhfe3GA4VPV1arNM/TrNvc3KI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=WqrQ8CICY00LA+Q5LDNrv2cAs53140hhVjUNZj8ItYPoP1ZHCP1DENgj03RH3GOd/ IXqlZIv9A+B99G4ocXJfIJEHqK32W7+r0m+wePwDK6ajlnD5ksTOHWgLOW1JWXnmDr r9i2V+8Uwoy+onAP4Oqcm7PNnl//fTqckGqSNJ60pLjldnn5FIHzM/PF0/9arcMdXF +rq61Jm6X2fQlUPwOx1BTOSOapOCsr4RNYJ69ZD4Vhjhwjye5oTXpNWH4958uMQTEW k79hVzVasY4zgDAVmLDW0lZ7fFjxVhd9Y+We5cMppNk5LPZGHR2hqZW9vOKfGqppzB IGwMzfnoZWC/g== Message-ID: <7c6a6b6d-a023-47e8-b27e-1c45929e0fc3@kernel.org> Date: Thu, 14 May 2026 14:42:56 +0900 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/7] btrfs: zoned: don't account data relocation space-info in statfs free space To: Johannes Thumshirn , linux-btrfs@vger.kernel.org Cc: Filipe Manana , David Sterba , Hans Holmberg , Boris Burkov , Naohiro Aota , Christoph Hellwig References: <20260513123445.43197-1-johannes.thumshirn@wdc.com> <20260513123445.43197-5-johannes.thumshirn@wdc.com> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20260513123445.43197-5-johannes.thumshirn@wdc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2026/05/13 21:34, Johannes Thumshirn wrote: > Don't account the free space in a data relocation space-info sub-group as > usable free space in statfs. > > This is misleading as no user allocations can be made in this space-info > sub-group. It is only a target for relocation. > > Signed-off-by: Johannes Thumshirn It feels like this one also needs a Fixes tag... > --- > fs/btrfs/super.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c > index fb15decb0861..a0dbc0d2213f 100644 > --- a/fs/btrfs/super.c > +++ b/fs/btrfs/super.c > @@ -1739,7 +1739,8 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) > int mixed = 0; > > list_for_each_entry(found, &fs_info->space_info, list) { > - if (found->flags & BTRFS_BLOCK_GROUP_DATA) { > + if (found->flags & BTRFS_BLOCK_GROUP_DATA && > + found->subgroup_id != BTRFS_SUB_GROUP_DATA_RELOC) { > int i; > > total_free_data += found->disk_total - found->disk_used; -- Damien Le Moal Western Digital Research