From nobody Tue Feb 10 07:21:26 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A45BC001DB for ; Fri, 4 Aug 2023 08:50:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbjHDIuF (ORCPT ); Fri, 4 Aug 2023 04:50:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229723AbjHDItd (ORCPT ); Fri, 4 Aug 2023 04:49:33 -0400 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1108B49E1 for ; Fri, 4 Aug 2023 01:49:31 -0700 (PDT) Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id 46CB4417BE for ; Fri, 4 Aug 2023 08:49:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1691138970; bh=GFNwWvhavDkNrI4eqwez7OWrv+w+Iw1WNhnwQW/Fw7E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ZdFh0yafbC1h4o4Creja86XLjlgPqIw/8g5zh1Q0AtHR/4uzszzMuJlGO4lyCf9Be jAhiXOyM/aRWrGH4Wx4sz4dt2tv3ArPqt+n7+IBT9Hlu568dxViaJFyj8kVDclsdTP q0ymyzearB/6eY2LF7LBhFC8uf73UVi/L1+2REXLtLOpA/0lQfWcq9G9Av3NZp2vWg dujJ8ovwsNtYcbi0pXOtwLKH6Oq7XBVqHG0ywFvD8CnFTeOkPIgct944T2/cIXmZte Bo6TqW76euy/qTRxSWNM/Ha6fy6zBQQ/PjI+q/RKaMOaN3FS6JIoZ9TJv6HEpyXo48 Z8SWEK4uH/9mA== Received: by mail-ej1-f72.google.com with SMTP id a640c23a62f3a-99bcf6ae8e1so122979066b.0 for ; Fri, 04 Aug 2023 01:49:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691138970; x=1691743770; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=GFNwWvhavDkNrI4eqwez7OWrv+w+Iw1WNhnwQW/Fw7E=; b=M4XAPdKroPwGhcGD4IJifOJY9mw5KZjr0o7Dd/5Urt3hvG5w+1fmBUbjM8Zt3/yp9P xoChKVH6AkcNM5gg6A6RnsHBMIMQGt6V5GoARrIJaQ01+Sm6qAHQJS676E8nTeQijKDo X0y/vtgavAZNMGZE6sifQR4BSJ9S3LbdfJ1DDax5xIWt60btduYfT/8j3bBpF6flWYjt KikdyK9C/bkWmaRM3GYS6+OKss+hdvYgyR4hX9MTU/zjLPBPyk8zgBm3OMEFTSg+GuUu j+927ils7goDNbagm+BoFnDydxSaHghYcQhLzqzad9sa2axzFAcCyCu15Vf7YsooRkJ5 sGpg== X-Gm-Message-State: AOJu0YyDhydI9bHhKtiYILZ0eICDX3sCGBE8Lt/JXM0I7ZxCzu4Ip3Nr Xnuot4i0VPJP7jBUe+iRA5IlgixN7G8G0QsOJUUaUgx0REeqsePWu2mg2si+MCMtXKiXASEu5FV Bpu65505UxbOK/GCrlvNnxyduvCFOBl5wWmkKpAdXFg== X-Received: by 2002:a17:907:75c9:b0:98e:26ae:9b07 with SMTP id jl9-20020a17090775c900b0098e26ae9b07mr856011ejc.35.1691138969807; Fri, 04 Aug 2023 01:49:29 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGzJvUEdQ1szBS20TzLv4pF+D/kH4bm1Trv3iQThRWbQMHWUfpqSKG2LY+85emIKvwXfeMoXA== X-Received: by 2002:a17:907:75c9:b0:98e:26ae:9b07 with SMTP id jl9-20020a17090775c900b0098e26ae9b07mr856001ejc.35.1691138969650; Fri, 04 Aug 2023 01:49:29 -0700 (PDT) Received: from amikhalitsyn.local (dslb-088-066-182-192.088.066.pools.vodafone-ip.de. [88.66.182.192]) by smtp.gmail.com with ESMTPSA id k25-20020a17090646d900b00992e94bcfabsm979279ejs.167.2023.08.04.01.49.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Aug 2023 01:49:29 -0700 (PDT) From: Alexander Mikhalitsyn To: xiubli@redhat.com Cc: brauner@kernel.org, stgraber@ubuntu.com, linux-fsdevel@vger.kernel.org, Jeff Layton , Ilya Dryomov , ceph-devel@vger.kernel.org, Alexander Mikhalitsyn , Alexander Viro , Seth Forshee , linux-kernel@vger.kernel.org Subject: [PATCH v9 01/12] fs: export mnt_idmap_get/mnt_idmap_put Date: Fri, 4 Aug 2023 10:48:47 +0200 Message-Id: <20230804084858.126104-2-aleksandr.mikhalitsyn@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804084858.126104-1-aleksandr.mikhalitsyn@canonical.com> References: <20230804084858.126104-1-aleksandr.mikhalitsyn@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" These helpers are required to support idmapped mounts in the Cephfs. Cc: Christian Brauner Cc: Xiubo Li Cc: Jeff Layton Cc: Ilya Dryomov Cc: ceph-devel@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Alexander Mikhalitsyn Reviewed-by: Christian Brauner --- v3: - EXPORT_SYMBOL -> EXPORT_SYMBOL_GPL as Christoph Hellwig suggested --- fs/mnt_idmapping.c | 2 ++ include/linux/mnt_idmapping.h | 3 +++ 2 files changed, 5 insertions(+) diff --git a/fs/mnt_idmapping.c b/fs/mnt_idmapping.c index 4905665c47d0..57d1dedf3f8f 100644 --- a/fs/mnt_idmapping.c +++ b/fs/mnt_idmapping.c @@ -256,6 +256,7 @@ struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap) =20 return idmap; } +EXPORT_SYMBOL_GPL(mnt_idmap_get); =20 /** * mnt_idmap_put - put a reference to an idmapping @@ -271,3 +272,4 @@ void mnt_idmap_put(struct mnt_idmap *idmap) kfree(idmap); } } +EXPORT_SYMBOL_GPL(mnt_idmap_put); diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h index 057c89867aa2..b8da2db4ecd2 100644 --- a/include/linux/mnt_idmapping.h +++ b/include/linux/mnt_idmapping.h @@ -115,6 +115,9 @@ static inline bool vfsgid_eq_kgid(vfsgid_t vfsgid, kgid= _t kgid) =20 int vfsgid_in_group_p(vfsgid_t vfsgid); =20 +struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap); +void mnt_idmap_put(struct mnt_idmap *idmap); + vfsuid_t make_vfsuid(struct mnt_idmap *idmap, struct user_namespace *fs_userns, kuid_t kuid); =20 --=20 2.34.1