From patchwork Thu Feb 24 08:53:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 12758085 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BC367C433F5 for ; Thu, 24 Feb 2022 08:58:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+S/b4tMIEvhzfNavVq9moeprvFyLkCuRXMGrHG1Fagg=; b=hgJqanqUnxg+cJ 0UlnEL7xypIYRGhXApzWMYCVY6egNRgako95DFMhCR0sJrHPqmRWZeS/8P6O3J+5avM/boR6nnEBX TVx/r7dg8Kbkde48aVso7dMJbtqGBEawrbi4hAn3+iAq8rhsAelTGp/G2b/nJCPEmz4cOtb/A5nNH 0hNRiqlY0h6FWzHRSuLEckRbJ/lBJdE4NGea/SMm6lQvb+HvKqZvG457znd5hnCcHBT7mzDdKIQxg kHDZVxQlrmwOEje3ADITqWlcJxQETuqQ/XhcVN/6pt8cYrYPw7JBvr08Cbn4OL9tOIDvBraBjL7zN st0wHVOP/TyxtXqbmkrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nN9vI-00HOt2-CA; Thu, 24 Feb 2022 08:56:28 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nN9uD-00HODi-NV; Thu, 24 Feb 2022 08:55:27 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id A7630CE1E45; Thu, 24 Feb 2022 08:55:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29387C340E9; Thu, 24 Feb 2022 08:55:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645692918; bh=vVOYAfOfRsBaLKmx9ygXmNXla/T1wGlU5of5at4ZrRM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uG06BcxtQ4snAmTTFTxNFzsq66Rqb2Rf/vLPMKqrFKWKfs8sK0p399eyG0qtvKgSC 1IMxyKQZ/A4OLvcZMnImVV/a2jrX0oDtNj/M35NSZKVzNySXmzcuN17U6qgvy2f7il q15Z4zg9OzwXJ/WvTb+15bgu1A9TfO6lANNJ1Kwky8Ow2xD5djBtHSW98214Ml74uQ olLY1Gg8/FnRRSL0BfhI1DWpkW+sJXS+em+tD6v0YN/z+GZDydUcosbv1yFJhaEAo4 b5zxYI1SnKreAnIGUAqiQp88lDi+TIUNtFpxpBHyTTfn1Qw7/VSvOdif+ugJq+RiGi j0Vo0lgRrNjtg== From: guoren@kernel.org To: guoren@kernel.org, palmer@dabbelt.com, arnd@arndb.de, anup@brainfault.org, gregkh@linuxfoundation.org, liush@allwinnertech.com, wefu@redhat.com, drew@beagleboard.org, wangjunqiang@iscas.ac.cn, hch@lst.de Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-csky@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org Subject: [PATCH V6 03/20] compat: consolidate the compat_flock{, 64} definition Date: Thu, 24 Feb 2022 16:53:53 +0800 Message-Id: <20220224085410.399351-4-guoren@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220224085410.399351-1-guoren@kernel.org> References: <20220224085410.399351-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220224_005522_210307_7C4B6573 X-CRM114-Status: GOOD ( 13.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Christoph Hellwig Provide a single common definition for the compat_flock and compat_flock64 structures using the same tricks as for the native variants. Another extra define is added for the packing required on x86. Signed-off-by: Christoph Hellwig Signed-off-by: Guo Ren Reviewed-by: Arnd Bergmann --- arch/arm64/include/asm/compat.h | 16 ---------------- arch/mips/include/asm/compat.h | 19 ++----------------- arch/parisc/include/asm/compat.h | 16 ---------------- arch/powerpc/include/asm/compat.h | 16 ---------------- arch/s390/include/asm/compat.h | 16 ---------------- arch/sparc/include/asm/compat.h | 18 +----------------- arch/x86/include/asm/compat.h | 20 +++----------------- include/linux/compat.h | 31 +++++++++++++++++++++++++++++++ 8 files changed, 37 insertions(+), 115 deletions(-) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 276328765408..e0faec1984a1 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -65,22 +65,6 @@ struct compat_stat { compat_ulong_t __unused4[2]; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; - struct compat_statfs { int f_type; int f_bsize; diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index 6a350c1f70d7..6d6e5a451f4d 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -55,23 +55,8 @@ struct compat_stat { s32 st_pad4[14]; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - s32 l_sysid; - compat_pid_t l_pid; - s32 pad[4]; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; +#define __ARCH_COMPAT_FLOCK_EXTRA_SYSID s32 l_sysid; +#define __ARCH_COMPAT_FLOCK_PAD s32 pad[4]; struct compat_statfs { int f_type; diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h index c04f5a637c39..a1e4534d8050 100644 --- a/arch/parisc/include/asm/compat.h +++ b/arch/parisc/include/asm/compat.h @@ -53,22 +53,6 @@ struct compat_stat { u32 st_spare4[3]; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; - struct compat_statfs { s32 f_type; s32 f_bsize; diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 83d8f70779cb..5ef3c7c83c34 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -44,22 +44,6 @@ struct compat_stat { u32 __unused4[2]; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; - struct compat_statfs { int f_type; int f_bsize; diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index 0f14b3188b1b..07f04d37068b 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -102,22 +102,6 @@ struct compat_stat { u32 __unused5; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -}; - struct compat_statfs { u32 f_type; u32 f_bsize; diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index 108078751bb5..d78fb44942e0 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -75,23 +75,7 @@ struct compat_stat64 { unsigned int __unused5; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; - short __unused; -}; - -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; - short __unused; -}; +#define __ARCH_COMPAT_FLOCK_PAD short __unused; struct compat_statfs { int f_type; diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h index 8d19a212f4f2..de794d895866 100644 --- a/arch/x86/include/asm/compat.h +++ b/arch/x86/include/asm/compat.h @@ -50,25 +50,11 @@ struct compat_stat { u32 __unused5; }; -struct compat_flock { - short l_type; - short l_whence; - compat_off_t l_start; - compat_off_t l_len; - compat_pid_t l_pid; -}; - /* - * IA32 uses 4 byte alignment for 64 bit quantities, - * so we need to pack this structure. + * IA32 uses 4 byte alignment for 64 bit quantities, so we need to pack the + * compat flock64 structure. */ -struct compat_flock64 { - short l_type; - short l_whence; - compat_loff_t l_start; - compat_loff_t l_len; - compat_pid_t l_pid; -} __attribute__((packed)); +#define __ARCH_NEED_COMPAT_FLOCK64_PACKED struct compat_statfs { int f_type; diff --git a/include/linux/compat.h b/include/linux/compat.h index 1c758b0e0359..a0481fe6c5d5 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -258,6 +258,37 @@ struct compat_rlimit { compat_ulong_t rlim_max; }; +#ifdef __ARCH_NEED_COMPAT_FLOCK64_PACKED +#define __ARCH_COMPAT_FLOCK64_PACK __attribute__((packed)) +#else +#define __ARCH_COMPAT_FLOCK64_PACK +#endif + +struct compat_flock { + short l_type; + short l_whence; + compat_off_t l_start; + compat_off_t l_len; +#ifdef __ARCH_COMPAT_FLOCK_EXTRA_SYSID + __ARCH_COMPAT_FLOCK_EXTRA_SYSID +#endif + compat_pid_t l_pid; +#ifdef __ARCH_COMPAT_FLOCK_PAD + __ARCH_COMPAT_FLOCK_PAD +#endif +}; + +struct compat_flock64 { + short l_type; + short l_whence; + compat_loff_t l_start; + compat_loff_t l_len; + compat_pid_t l_pid; +#ifdef __ARCH_COMPAT_FLOCK64_PAD + __ARCH_COMPAT_FLOCK64_PAD +#endif +} __ARCH_COMPAT_FLOCK64_PACK; + struct compat_rusage { struct old_timeval32 ru_utime; struct old_timeval32 ru_stime;