From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 01/31] scatterlist: add sg_pfn and sg_has_page helpers Date: Wed, 12 Aug 2015 09:05:20 +0200 Message-ID: <1439363150-8661-2-git-send-email-hch@lst.de> References: <1439363150-8661-1-git-send-email-hch@lst.de> Return-path: In-Reply-To: <1439363150-8661-1-git-send-email-hch@lst.de> Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: List-subscribe: List-owner: List-post: List-archive: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: torvalds@linux-foundation.org, axboe@kernel.dk Cc: dan.j.williams@intel.com, vgupta@synopsys.com, hskinnemoen@gmail.com, egtvedt@samfundet.no, realmz6@gmail.com, dhowells@redhat.com, monstr@monstr.eu, x86@kernel.org, dwmw2@infradead.org, alex.williamson@redhat.com, grundler@parisc-linux.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-nvdimm@ml01.01.org, linux-media@vger.kernel.org Signed-off-by: Christoph Hellwig --- include/linux/scatterlist.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index 9b1ef0c..b1056bf 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -230,6 +230,16 @@ static inline dma_addr_t sg_phys(struct scatterlist *sg) return page_to_phys(sg_page(sg)) + sg->offset; } +static inline unsigned long sg_pfn(struct scatterlist *sg) +{ + return page_to_pfn(sg_page(sg)); +} + +static inline bool sg_has_page(struct scatterlist *sg) +{ + return true; +} + /** * sg_virt - Return virtual address of an sg entry * @sg: SG entry -- 1.9.1