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 41C833A783E; Thu, 23 Apr 2026 18:57:08 +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=1776970629; cv=none; b=luJf+NFnGXIQ5T+JeqX/8tF5kUbDeLRbIM8yLLzCnSok+fhBZ6tr5GRNLlL8KEVtpGmHnVetb/ZADhqL/WFX9CaH/sh8otgZOHbelasfERbDe9hLRHGifLquI2q7HBxy30jq265ScKSmrjT5ePgKgsct/Th7jKpXEp3hC+1pkK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776970629; c=relaxed/simple; bh=8csvyPvKCdZh1Ua99rDh6daLSN/5jSUGhq1YWFxD7Nw=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=XOPFxjllbCWcZS+BSgiy5NifQQqpsnkeGOUom0DyqscICHXwjpQhoR+7CgIrKHc1WRgVqxEU8YGD8Rehy3gvJAjuMajLZJLMlz2HbOA6NeL/45m8DIFV5cm020LM8LlkLF5VolaA+UnhLwLC7IuFPnYId4E1HFZdquBi9yeXLxw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D1CQhDBh; 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="D1CQhDBh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6B46C2BCAF; Thu, 23 Apr 2026 18:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776970628; bh=8csvyPvKCdZh1Ua99rDh6daLSN/5jSUGhq1YWFxD7Nw=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=D1CQhDBhOO9iMyeCloIfGLsN0i1Ko2YiR45aWEqB1ob6nZscVtS7sXQ3ku8J+CfeH 1kh4WOjGv7tQau59tKUHOqGBmAIbl5zCCh5yIrpY5GKXETC60IHB/tZC8OzRXeTvN6 CXLC7ArR4kfJJLMFkaO3tviOrj1M96YSl1NrunUqyYp/fWxfWfoAOeQrqmenCu6MGz qJQH1qCVbAtxxHeT5EZwwoVrD5+CKhd391jBok0rtcfKAahgpmqwnAVMFaKVy2mLsk tm41BWt0zIbdF2E2COXnYUNU/4LjLN0IUDUrJjfaiSlF9kY7p7kDO1aD7L+inHornq w3/9ec6WIALbw== Message-ID: Subject: Re: cleanup block-style layouts exports v2 From: Jeff Layton To: Christian Brauner , Chuck Lever Cc: Christoph Hellwig , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Chuck Lever , Amir Goldstein , Linus Torvalds Date: Thu, 23 Apr 2026 14:57:05 -0400 In-Reply-To: <20260421-schusselig-proklamieren-23839cd64bca@brauner> References: <20260401144059.160746-1-hch@lst.de> <8bef4d4e-1c0d-451d-8854-ed0cba27ee1f@app.fastmail.com> <20260409-schwalben-neutralisieren-fb5a184e5049@brauner> <20260410111007.GA10292@lst.de> <20260414-ausbrechen-gemixt-ff09f46bdad2@brauner> <20260415052925.GC26559@lst.de> <217438cb-63ff-41d2-8f3c-fbdb1945a670@app.fastmail.com> <683650ce-0585-4607-8d93-9704b179fbd3@app.fastmail.com> 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f8lfK1XVNbRq/R7GZ9zHESlsa35ha60yd/j3pu5hT2xyy8krV8vGhHvnJ1XRMJBAB/UYb6FyC7S+m QZIQXVeAA+smfTT0tDrisj1U5x6ZB9b3nBg65kc= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2026-04-21 at 14:04 +0200, Christian Brauner wrote: > On Fri, Apr 17, 2026 at 07:52:20AM -0700, Chuck Lever wrote: > >=20 > > On Wed, Apr 15, 2026, at 7:34 AM, Chuck Lever wrote: > > > On Tue, Apr 14, 2026, at 10:29 PM, Christoph Hellwig wrote: > > > > On Tue, Apr 14, 2026 at 12:01:39PM +0200, Christian Brauner wrote: > > > > > On Fri, Apr 10, 2026 at 01:10:07PM +0200, Christoph Hellwig wrote= : > > > > > > On Thu, Apr 09, 2026 at 03:26:09PM +0200, Christian Brauner wro= te: > > > > > > > > Christian, are you OK if I take this series through the NFS= D tree? > > > > > > >=20 > > > > > > > Hm, I generally prefer infrastructure to go through the VFS t= ree. > > > > > > > You can get a stable branch ofc. > >=20 > > > In this case, pNFS is the only consumer that will notice or use the > > > new "infrastructure" and us NFS experts are the only ones who can tes= t > > > and review it properly. And, the likelihood of conflicts with patches > > > in nfsd-testing is high (in fact we've already had at least one). It > > > makes sense to me to take this series through NFSD. > >=20 > > I see that Jeff has posted a series that modifies the fs_notify API sur= face > > to support the NFSv4 CB_NOTIFY operation. That likely counts as an > > infrastructure change. > >=20 > > To meet you halfway, Christian, you could take Christoph's series and > > Jeff's series into a "vfs.nfsd" tree and I can base my nfsd-next branch > > on that for the NFSD PR 7.2. Building the NFSD PR on that should avoid > > merge conflicts with significant changes I have planned. >=20 > Sounds perfect. I don't rebase branches unless there's something really > really gnarly to handle and I would ping you in advance if anything like > that were to happen. Note that there is a small difference (error-handling fix) between the most-recently posted CB_NOTIFY patchset and what's currently in my tree. You can either pick or pull the series from my tree, or I can re- post. Let me know which you'd prefer: diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 5eca7899c48d..bb9093e3933f 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1193,8 +1193,8 @@ static void nfs4_free_dir_deleg(struct nfs4_stid *sti= d) =20 for (i =3D 0; i < ncn->ncn_evt_cnt; ++i) nfsd_notify_event_put(ncn->ncn_evt[i]); - release_pages(ncn->ncn_pages, NOTIFY4_PAGE_ARRAY_SIZE); kfree(ncn->ncn_nf); + release_pages(ncn->ncn_pages, NOTIFY4_PAGE_ARRAY_SIZE); nfs4_free_deleg(stid); } =20 @@ -1213,7 +1213,8 @@ alloc_init_dir_deleg(struct nfs4_client *clp, struct = nfs4_file *fp) =20 npages =3D alloc_pages_bulk(GFP_KERNEL, NOTIFY4_PAGE_ARRAY_SIZE, ncn->ncn= _pages); if (npages !=3D NOTIFY4_PAGE_ARRAY_SIZE) { - nfs4_put_stid(&dp->dl_stid); + release_pages(ncn->ncn_pages, npages); + nfs4_free_deleg(&dp->dl_stid); return NULL; } =20