From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Subject: [PATCH v5 23/27] md: use little-endian bitops Date: Sat, 22 Jan 2011 22:13:55 +0900 Message-ID: <1295702039-23186-24-git-send-email-akinobu.mita@gmail.com> References: <1295702039-23186-1-git-send-email-akinobu.mita@gmail.com> Return-path: In-Reply-To: <1295702039-23186-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org Cc: Akinobu Mita , NeilBrown List-Id: linux-arch.vger.kernel.org As a preparation for removing ext2 non-atomic bit operations from asm/bitops.h. This converts ext2 non-atomic bit operations to little-endian bit operations. Signed-off-by: Akinobu Mita Acked-by: NeilBrown Signed-off-by: Andrew Morton --- Change from v4: - no changes The whole series is available in the git branch at: git://git.kernel.org/pub/scm/linux/kernel/git/mita/linux-2.6.git le-bitops-v5 drivers/md/bitmap.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 9a35320..a2ce0b2 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -854,7 +854,7 @@ static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block) if (bitmap->flags & BITMAP_HOSTENDIAN) set_bit(bit, kaddr); else - ext2_set_bit(bit, kaddr); + __test_and_set_bit_le(bit, kaddr); kunmap_atomic(kaddr, KM_USER0); PRINTK("set file bit %lu page %lu\n", bit, page->index); } @@ -1050,7 +1050,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) if (bitmap->flags & BITMAP_HOSTENDIAN) b = test_bit(bit, paddr); else - b = ext2_test_bit(bit, paddr); + b = test_bit_le(bit, paddr); kunmap_atomic(paddr, KM_USER0); if (b) { /* if the disk bit is set, set the memory bit */ @@ -1226,7 +1226,7 @@ void bitmap_daemon_work(mddev_t *mddev) clear_bit(file_page_offset(bitmap, j), paddr); else - ext2_clear_bit(file_page_offset(bitmap, j), + __test_and_clear_bit_le(file_page_offset(bitmap, j), paddr); kunmap_atomic(paddr, KM_USER0); } else -- 1.7.3.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:43821 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753660Ab1AVNOy (ORCPT ); Sat, 22 Jan 2011 08:14:54 -0500 From: Akinobu Mita Subject: [PATCH v5 23/27] md: use little-endian bitops Date: Sat, 22 Jan 2011 22:13:55 +0900 Message-ID: <1295702039-23186-24-git-send-email-akinobu.mita@gmail.com> In-Reply-To: <1295702039-23186-1-git-send-email-akinobu.mita@gmail.com> References: <1295702039-23186-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org Cc: Akinobu Mita , NeilBrown Message-ID: <20110122131355.7j3LSP_Hk_rnnTCSCZuOnKWv29cYbG2JzFUd7uaCFjY@z> As a preparation for removing ext2 non-atomic bit operations from asm/bitops.h. This converts ext2 non-atomic bit operations to little-endian bit operations. Signed-off-by: Akinobu Mita Acked-by: NeilBrown Signed-off-by: Andrew Morton --- Change from v4: - no changes The whole series is available in the git branch at: git://git.kernel.org/pub/scm/linux/kernel/git/mita/linux-2.6.git le-bitops-v5 drivers/md/bitmap.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 9a35320..a2ce0b2 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -854,7 +854,7 @@ static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block) if (bitmap->flags & BITMAP_HOSTENDIAN) set_bit(bit, kaddr); else - ext2_set_bit(bit, kaddr); + __test_and_set_bit_le(bit, kaddr); kunmap_atomic(kaddr, KM_USER0); PRINTK("set file bit %lu page %lu\n", bit, page->index); } @@ -1050,7 +1050,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) if (bitmap->flags & BITMAP_HOSTENDIAN) b = test_bit(bit, paddr); else - b = ext2_test_bit(bit, paddr); + b = test_bit_le(bit, paddr); kunmap_atomic(paddr, KM_USER0); if (b) { /* if the disk bit is set, set the memory bit */ @@ -1226,7 +1226,7 @@ void bitmap_daemon_work(mddev_t *mddev) clear_bit(file_page_offset(bitmap, j), paddr); else - ext2_clear_bit(file_page_offset(bitmap, j), + __test_and_clear_bit_le(file_page_offset(bitmap, j), paddr); kunmap_atomic(paddr, KM_USER0); } else -- 1.7.3.4