From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 01 Feb 2006 09:07:25 +0000 (GMT) Received: from ns.miraclelinux.com ([219.118.163.66]:61002 "EHLO mail01.miraclelinux.com") by ftp.linux-mips.org with ESMTP id S8133658AbWBAI60 (ORCPT ); Wed, 1 Feb 2006 08:58:26 +0000 Received: from mail01 (localhost.localdomain [127.0.0.1]) by mail01.miraclelinux.com (Postfix) with ESMTP id F2FBD31C20F; Wed, 1 Feb 2006 18:03:26 +0900 (JST) Received: from localhost.localdomain (sshgate.miraclelinux.com []) by mail01.miraclelinux.com ([10.1.0.10]); Wed, 01 Feb 2006 09:03:26 +0000 Received: by localhost.localdomain (Postfix, from userid 1000) id 6E7884201E2; Wed, 1 Feb 2006 18:03:26 +0900 (JST) Message-Id: <20060201090326.300490000@localhost.localdomain> References: <20060201090224.536581000@localhost.localdomain> Date: Wed, 01 Feb 2006 18:02:40 +0900 From: Akinobu Mita To: linux-kernel@vger.kernel.org Cc: Yoshinori Sato , Hirokazu Takata , linux-mips@linux-mips.org, linuxsh-dev@lists.sourceforge.net, linuxsh-shmedia-dev@lists.sourceforge.net, sparclinux@vger.kernel.org, Akinobu Mita Subject: [patch 16/44] generic ext2_{set,clear}_bit_atomic() Content-Disposition: inline; filename=ext2-atomic-bitops.patch Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 10273 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: mita@miraclelinux.com Precedence: bulk X-list: linux-mips This patch introduces the C-language equivalents of the functions below: int ext2_set_bit_atomic(int nr, volatile unsigned long *addr); int ext2_clear_bit_atomic(int nr, volatile unsigned long *addr); In include/asm-generic/bitops/ext2-atomic.h This code largely copied from: include/asm-sparc/bitops.h Signed-off-by: Akinobu Mita include/asm-generic/bitops/ext2-atomic.h | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+) Index: 2.6-git/include/asm-generic/bitops/ext2-atomic.h =================================================================== --- /dev/null +++ 2.6-git/include/asm-generic/bitops/ext2-atomic.h @@ -0,0 +1,22 @@ +#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ + +#define ext2_set_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_set_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#define ext2_clear_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */ -- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Date: Wed, 01 Feb 2006 09:02:40 +0000 Subject: [patch 16/44] generic ext2_{set,clear}_bit_atomic() Message-Id: <20060201090326.300490000@localhost.localdomain> List-Id: References: <20060201090224.536581000@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Yoshinori Sato , Hirokazu Takata , linux-mips@linux-mips.org, linuxsh-dev@lists.sourceforge.net, linuxsh-shmedia-dev@lists.sourceforge.net, sparclinux@vger.kernel.org, Akinobu Mita This patch introduces the C-language equivalents of the functions below: int ext2_set_bit_atomic(int nr, volatile unsigned long *addr); int ext2_clear_bit_atomic(int nr, volatile unsigned long *addr); In include/asm-generic/bitops/ext2-atomic.h This code largely copied from: include/asm-sparc/bitops.h Signed-off-by: Akinobu Mita include/asm-generic/bitops/ext2-atomic.h | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+) Index: 2.6-git/include/asm-generic/bitops/ext2-atomic.h =================================--- /dev/null +++ 2.6-git/include/asm-generic/bitops/ext2-atomic.h @@ -0,0 +1,22 @@ +#ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ +#define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ + +#define ext2_set_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_set_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#define ext2_clear_bit_atomic(lock, nr, addr) \ + ({ \ + int ret; \ + spin_lock(lock); \ + ret = ext2_clear_bit((nr), (unsigned long *)(addr)); \ + spin_unlock(lock); \ + ret; \ + }) + +#endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */ --