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 E9DFA341048 for ; Wed, 19 Nov 2025 19:13:48 +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=1763579629; cv=none; b=AEa8HKyH6Ot1RqnxtiqlrDDJhLvUW1JuyUcZZ0ebTj2KpwoEHOc8DIezx/eDaZiaVkVjqniGR9preWPIy9WLDZhw/bN76BW6uOtESLZUjm6mTBVtbDjY/MajDuwdB9I+2bih62K9dSB0NQLeM35dobLWeqagXf+G7jfgwuhdwu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763579629; c=relaxed/simple; bh=Ela2kky5G0aziR8wo9akwX8BfKR3GFY0MHy/oS722NQ=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=e+Q1cDJatRjgPVenaRNGMHPWAEZRuOxxZX7c06KVxQegJVkOY2nNCzehMSo3kEcgzeQK4CM8h3Pxm6IynX96RlM8u3VXNbg6VBoYerlkP77LhVtTN/24VBHR4x0BdmsshRavbuXdSpKz92/oDm/XuOp4ON2isY8MVm/bJBo73xs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mGNuLY1s; 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="mGNuLY1s" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D45A8C4CEF5; Wed, 19 Nov 2025 19:13:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763579628; bh=Ela2kky5G0aziR8wo9akwX8BfKR3GFY0MHy/oS722NQ=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=mGNuLY1sq81yCJgLno952cKOnUVzNpYpOhG2msk7tebkk+1H8YWtEkfRUM73L0va4 BMA+0Ri52qETkhJl7Qh8a/4THh5RJPKJGZxK0r4DVcit3maOsDVDN7H/KMlLQGqTHh 8IzIR3lMhxBVMqVSaHwuYJGMq6k72dYsvQL8EGhw38g1LdGV9LTQ0nQlFN0fYoGBQR 48lzuDwPaPB8f4Ybf8JcOyy+RI4hmEKpwNaEGaL1wpSSt5byXSBpxKWwPv+yRUTIIe 2gzEq7S/xYMqZ38XEfj6A4A5PXT8LSytJVGrj9qbuG9DQGg5aBdfhq6ZISVg3vwrfl UiTuizXdPE4Qg== Message-ID: <80bf413d1df31d07ad56492bddc21d6acb943c92.camel@kernel.org> Subject: Re: [PATCH v5 02/11] nfsd: discard NFSD4_FH_FOREIGN From: Jeff Layton To: NeilBrown , Chuck Lever Cc: Olga Kornievskaia , Dai Ngo , Tom Talpey , linux-nfs@vger.kernel.org Date: Wed, 19 Nov 2025 14:13:46 -0500 In-Reply-To: <20251119033204.360415-3-neilb@ownmail.net> References: <20251119033204.360415-1-neilb@ownmail.net> <20251119033204.360415-3-neilb@ownmail.net> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 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2tAMJUvFTdDbfe3zKlPDTuVsyNsALBGclPLagJ5ZTP+Vp2irAN9uwBuacBOTtmOdz4ZN2tdvNgozz uxp4CHBDVzAslUi2idy+xpsp47DWPxYFIRP3M8QG/aNW052LaPc0cedYxp8+9eiVUNpxF4SiU4i9J DfX/sn9XcfoVZIxMpCRE750zvJvcCUz9HojsrMQ1NFc7MFT1z3MOW2/RlzPcog7xvR5ENPH19ojRD CHqumUHRry+RF0lH00clzX/W8OrQJZtoBPXv9ahka/Vp7kEulcBJr1cH5Wz/WprhsIM7U9pse1f1g Yy9YbXtWctUz8uvDR7shsQxAhX3qO7DilMtuGo1v97I/Kx4gXQ52syh/w6EBny71CZrOgD6kJwPVV AaM1LRC28muq91WCFhs/nzHozpbzcheyGtMUI2Ao4K6mnY+3zIuXPygZMFr9KXE6fF7HzKxKuZMJO aEZCiDOq0anx6FmOzs5E6Jqdpo/mtI8beK+BE7Va6ni7YrQlnT0i3vaTVMTiCThbqsB20VrbMjlhp f8lfK1XVNbRq/R7GZ9zHESlsa35ha60yd/j3pu5hT2xyy8krV8vGhHvnJ1XRMJBAB/UYb6FyC7S+m QZIQXVeAA+smfTT0tDrisj1U5x6ZB9b3nBg65kc= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.1 (3.58.1-1.fc43) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2025-11-19 at 14:28 +1100, NeilBrown wrote: > From: NeilBrown >=20 > NFSD4_FH_FOREIGN is not needed as the same information is elsewhere. >=20 > If fh_handle.fh_len is 0 then there is no filehandle > else if fh_dentry is NULL then the filehandle is foreign > else the filehandle is local. >=20 > So we can discard NFSD4_FH_FOREIGN and the related struct field, > and code. >=20 > Signed-off-by: NeilBrown > --- > fs/nfsd/nfs4proc.c | 7 ++----- > fs/nfsd/nfsfh.h | 4 ---- > 2 files changed, 2 insertions(+), 9 deletions(-) >=20 > diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c > index e5871e861dce..3160e899a5da 100644 > --- a/fs/nfsd/nfs4proc.c > +++ b/fs/nfsd/nfs4proc.c > @@ -693,10 +693,8 @@ nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_com= pound_state *cstate, > putfh->pf_fhlen); > ret =3D fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_BYPASS_GSS); > #ifdef CONFIG_NFSD_V4_2_INTER_SSC > - if (ret =3D=3D nfserr_stale && putfh->no_verify) { > - SET_FH_FLAG(&cstate->current_fh, NFSD4_FH_FOREIGN); > + if (ret =3D=3D nfserr_stale && putfh->no_verify) > ret =3D 0; > - } > #endif > return ret; > } > @@ -734,8 +732,7 @@ nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_com= pound_state *cstate, > * is not required, but fh_handle *is*. Thus a foreign fh > * can be saved as needed for inter-server COPY. > */ > - if (!current_fh->fh_dentry && > - !HAS_FH_FLAG(current_fh, NFSD4_FH_FOREIGN)) > + if (cstate->current_fh.fh_handle.fh_size =3D=3D 0) > return nfserr_nofilehandle; > =20 > fh_dup2(&cstate->save_fh, &cstate->current_fh); > diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h > index 5ef7191f8ad8..43fcc1dcf69a 100644 > --- a/fs/nfsd/nfsfh.h > +++ b/fs/nfsd/nfsfh.h > @@ -93,7 +93,6 @@ typedef struct svc_fh { > */ > bool fh_use_wgather; /* NFSv2 wgather option */ > bool fh_64bit_cookies;/* readdir cookie size */ > - int fh_flags; /* FH flags */ > bool fh_post_saved; /* post-op attrs saved */ > bool fh_pre_saved; /* pre-op attrs saved */ > =20 > @@ -111,9 +110,6 @@ typedef struct svc_fh { > struct kstat fh_post_attr; /* full attrs after operation */ > u64 fh_post_change; /* nfsv4 change; see above */ > } svc_fh; > -#define NFSD4_FH_FOREIGN (1<<0) > -#define SET_FH_FLAG(c, f) ((c)->fh_flags |=3D (f)) > -#define HAS_FH_FLAG(c, f) ((c)->fh_flags & (f)) > =20 > enum nfsd_fsid { > FSID_DEV =3D 0, Nice. Reviewed-by: Jeff Layton