From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 E1F6D5477E; Thu, 24 Sep 2026 13:25:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790256312; cv=none; b=JOqQ0XpK/xZZSAvIuWROPbIjyVM4HZm6/I/NI+QBV5WZ+2IU3BE4ugdIMA2oEQ+UQZMcABl8FYVsDb2bt+VYfgCI+yF15BFfG6efCfBclUjdvwYJzPZywQ1mRFx1GLkG/k77FGlN/g8Ba5k0u2PnyHaFETNk1a1qKuq1qibMGyk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790256312; c=relaxed/simple; bh=YQ14DaMxLfmNOt4FXPHBvllxHseIK7Ro8UzteVcioi8=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=QNzsJnkzFux+vIWdeGOrjFq20F9L/Ps2J8PVFP29RBDrLuVntD28knWe7NJJP4x3gB0f4EtF3ISZ2KJRIQWZWHGzQWouSiblqiz1CIx4Rp+5fglkiXPZ5q+qndhfRLqo78B14Rf/PuD+sLItWSI424wRHFBH3t1X2qtweT378Tw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K5QtmZ3t; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="K5QtmZ3t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E39FD1F0089D; Thu, 24 Sep 2026 13:25:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790256307; bh=df0xqnpDf3KH8WX3GQqavrnMFOE50lqbLZtqCzXl9sI=; h=Subject:From:To:Cc:Date:In-Reply-To:References; b=K5QtmZ3tw03v4vNGqGBEJEhQj3j2hg+J933DAr0ZEEmEDl3tstMK4A9RLD/aSk5iQ +8v20rq786uIKS8o/6o0kQMpanfmCxCXCCihD+Ri5YfXB+3QZohzrTeyuSfdCJDNyH YIjzVDLrav/BR0WgPbfjV6ZAAZ9S3nxW9MYZLWh7IlYy6kmmeqg1vUZ9+aIbvYr2EV AQ25KzEvUZ6GJQMTBL48Knh5zC8Qwv3t1+fiWVEMGgmUNf+NL27Y4D5CrGBbDn9e3q mn66TkDGipiEouR/VoB55C/aLLAaPsoz/YKvkotS53W4LzSTG/g5LXl5Dln4sn1CDx OEx09fF4ogblA== Message-ID: <9c1f99076c4f24a33d0e194ee96b7bbb6437da3f.camel@kernel.org> Subject: Re: [PATCH v2 13/14] nfsd: change nfsd_check_obj_isreg() to use nfs error codes. From: Jeff Layton To: NeilBrown , Alexander Viro , Christian Brauner , Chuck Lever , Jori Koolstra , Mateusz Guzik , Dorjoy Chowdhury Cc: Trond Myklebust , Anna Schumaker , Andreas Gruenbacher , gfs2@lists.linux.dev, Ilya Dryomov , Alex Markuze , Viacheslav Dubeyko , ceph-devel@vger.kernel.org, Paulo Alcantara , Namjae Jeon , linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org Date: Thu, 24 Sep 2026 09:25:04 -0400 In-Reply-To: <20260919022441.3305170-14-neilb@ownmail.net> References: <20260919022441.3305170-1-neilb@ownmail.net> <20260919022441.3305170-14-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 3.60.2 (3.60.2-2.fc44) Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sat, 2026-09-19 at 12:06 +1000, NeilBrown wrote: > From: NeilBrown >=20 > There is no longer any value in having nfsd_check_obj_isreg() return > over-loaded error codes which are converted to nfs error codes. > So revert to directly returning the required nfs error code. >=20 > Also take the opportunity to avoid dereferencing the inode and determine > the type directly from the dentry. >=20 > Signed-off-by: NeilBrown > --- > fs/nfsd/nfs4proc.c | 18 ++++++++---------- > 1 file changed, 8 insertions(+), 10 deletions(-) >=20 > diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c > index 50baf125d5f9..40bd1179bf60 100644 > --- a/fs/nfsd/nfs4proc.c > +++ b/fs/nfsd/nfs4proc.c > @@ -223,17 +223,15 @@ do_open_permission(struct svc_rqst *rqstp, struct s= vc_fh *current_fh, struct nfs > return fh_verify(rqstp, current_fh, S_IFREG, accmode); > } > =20 > -static int nfsd_check_obj_isreg(struct dentry *child) > +static __be32 nfsd_check_obj_isreg(struct dentry *child) > { > - umode_t mode =3D d_inode(child)->i_mode; > - > - if (S_ISREG(mode)) > + if (d_is_reg(child)) > return 0; > - if (S_ISDIR(mode)) > - return -EISDIR; > - if (S_ISLNK(mode)) > - return -ELOOP; > - return -EFTYPE; > + if (d_is_dir(child)) > + return nfserr_isdir; > + if (d_is_symlink(child)) > + return nfserr_symlink; > + return nfserr_wrong_type; > } > =20 > static void nfsd4_set_open_owner_reply_cache(struct nfsd4_compound_state= *cstate, struct nfsd4_open *open, struct svc_fh *resfh) > @@ -565,7 +563,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_c= ompound_state *cstate, stru > } > if (status) > goto out; > - status =3D nfserrno(nfsd_check_obj_isreg((*resfh)->fh_dentry)); > + status =3D nfsd_check_obj_isreg((*resfh)->fh_dentry); > if (status) > goto out; >=20 >=20 Nice cleanup. Reviewed-by: Jeff Layton