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 498C83A7F51; Thu, 5 Feb 2026 12:41:11 +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=1770295272; cv=none; b=j7FcbIlLtuqsIU12IbqtiA51c9egaC5LL/9/HzVQmUNhDf/DzsI+5OrzbKj9XGNBY4xUqXr4xtsbMusnOQXu/6PMQrbugEdGZVl5HemqEmdOTdiTcYZ4Fbtg8hh+E9/roJGnh/EC9UWGaM9LQmGYjiYpggOsKnLQbPNtlbijNpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770295272; c=relaxed/simple; bh=10eAJGMMlh2msWrD5lNiwhWZEbQLdS27Ko9J4kfQK+Q=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=I7/JcLWhS7q2vtXd2NDwOV8sLyjPU9H78pPE3n2W6xvlABuZgtPqyZxff2Uw7BhJ3j5v2wMhEd1RxTfVuxZWoScpxGMgIkzfT5JHxup02a72nZfUNJMgi0sK3UoYzm4tGcsuhgHetT1flAddZ9xYlGOImYwmtJq8cHvpxVziOoU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dneZ39GP; 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="dneZ39GP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1615C4CEF7; Thu, 5 Feb 2026 12:41:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770295271; bh=10eAJGMMlh2msWrD5lNiwhWZEbQLdS27Ko9J4kfQK+Q=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=dneZ39GPuhzf31gcrpTN7Cl2LZ+TxQQ/ao5oPqvmPt4fhyzOnIr5MhcWr0/vdzPuj ve6frqT01HTU9e3cvYsM1FnuhoWotd21A6UC0f+uAdw9ajzhKI1zy1yYANPWHnPuUK bE55el8DPBP8HVZC5ShIoGLjS1xzpZw3WYvw4sEm6QPzDmhky943sa0aH0vQiQW0xz 1Ogvc+0xIXseN6ajAVr+EP6dxMkooK9eACrwDjT6jm21+QmvGP2udgmvieRO6Tpl+u uC2lkK7yK5seTjqqy4Zd+1oHUvVwMpH2ikiik/xTVom2z7kv8bYEnUeA6rB3XCh/Qi iBSrV0iBInikw== Message-ID: <3e5726689975c3436ec134a299c538183f6763b1.camel@kernel.org> Subject: Re: [PATCH 13/13] VFS: unexport lock_rename(), lock_rename_child(), unlock_rename() From: Jeff Layton To: NeilBrown , Christian Brauner , Alexander Viro , David Howells , Jan Kara , Chuck Lever , Miklos Szeredi , Amir Goldstein , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , Stephen Smalley Cc: linux-kernel@vger.kernel.org, netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Date: Thu, 05 Feb 2026 07:41:09 -0500 In-Reply-To: <20260204050726.177283-14-neilb@ownmail.net> References: <20260204050726.177283-1-neilb@ownmail.net> <20260204050726.177283-14-neilb@ownmail.net> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV YrOOI5VGLHge0awt7bhMCTM9KAfPc+xL/ZxAMVWd3NCk5SamL2cE99UWgtvNOIYU8m6EjTLhsj8sn 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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 3.58.2 (3.58.2-1.fc43) Precedence: bulk X-Mailing-List: linux-unionfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-02-04 at 15:57 +1100, NeilBrown wrote: > From: NeilBrown >=20 > These three function are now only used in namei.c, so they don't need to > be exported. >=20 > Signed-off-by: NeilBrown > --- > Documentation/filesystems/porting.rst | 7 +++++++ > fs/namei.c | 9 +++------ > include/linux/namei.h | 3 --- > 3 files changed, 10 insertions(+), 9 deletions(-) >=20 > diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesy= stems/porting.rst > index ed86c95d9d01..5f7008172f14 100644 > --- a/Documentation/filesystems/porting.rst > +++ b/Documentation/filesystems/porting.rst > @@ -1347,3 +1347,10 @@ implementation should set it to generic_setlease()= . > =20 > lookup_one_qstr_excl() is no longer exported - use start_creating() or > similar. > +--- > + > +** mandatory** > + > +lock_rename(), lock_rename_child(), unlock_rename() are no > +longer available. Use start_renaming() or similar. > + > diff --git a/fs/namei.c b/fs/namei.c > index 307b4d0866b8..0bc82bf90adc 100644 > --- a/fs/namei.c > +++ b/fs/namei.c > @@ -3713,7 +3713,7 @@ static struct dentry *lock_two_directories(struct d= entry *p1, struct dentry *p2) > /* > * p1 and p2 should be directories on the same fs. > */ > -struct dentry *lock_rename(struct dentry *p1, struct dentry *p2) > +static struct dentry *lock_rename(struct dentry *p1, struct dentry *p2) > { > if (p1 =3D=3D p2) { > inode_lock_nested(p1->d_inode, I_MUTEX_PARENT); > @@ -3723,12 +3723,11 @@ struct dentry *lock_rename(struct dentry *p1, str= uct dentry *p2) > mutex_lock(&p1->d_sb->s_vfs_rename_mutex); > return lock_two_directories(p1, p2); > } > -EXPORT_SYMBOL(lock_rename); > =20 > /* > * c1 and p2 should be on the same fs. > */ > -struct dentry *lock_rename_child(struct dentry *c1, struct dentry *p2) > +static struct dentry *lock_rename_child(struct dentry *c1, struct dentry= *p2) > { > if (READ_ONCE(c1->d_parent) =3D=3D p2) { > /* > @@ -3765,9 +3764,8 @@ struct dentry *lock_rename_child(struct dentry *c1,= struct dentry *p2) > mutex_unlock(&c1->d_sb->s_vfs_rename_mutex); > return NULL; > } > -EXPORT_SYMBOL(lock_rename_child); > =20 > -void unlock_rename(struct dentry *p1, struct dentry *p2) > +static void unlock_rename(struct dentry *p1, struct dentry *p2) > { > inode_unlock(p1->d_inode); > if (p1 !=3D p2) { > @@ -3775,7 +3773,6 @@ void unlock_rename(struct dentry *p1, struct dentry= *p2) > mutex_unlock(&p1->d_sb->s_vfs_rename_mutex); > } > } > -EXPORT_SYMBOL(unlock_rename); > =20 > /** > * __start_renaming - lookup and lock names for rename > diff --git a/include/linux/namei.h b/include/linux/namei.h > index c7a7288cdd25..2ad6dd9987b9 100644 > --- a/include/linux/namei.h > +++ b/include/linux/namei.h > @@ -165,9 +165,6 @@ extern int follow_down_one(struct path *); > extern int follow_down(struct path *path, unsigned int flags); > extern int follow_up(struct path *); > =20 > -extern struct dentry *lock_rename(struct dentry *, struct dentry *); > -extern struct dentry *lock_rename_child(struct dentry *, struct dentry *= ); > -extern void unlock_rename(struct dentry *, struct dentry *); > int start_renaming(struct renamedata *rd, int lookup_flags, > struct qstr *old_last, struct qstr *new_last); > int start_renaming_dentry(struct renamedata *rd, int lookup_flags, Reviewed-by: Jeff Layton