From: Akinobu Mita Subject: [PATCH v3 0/4] introduce sg_pcopy_from_buffer() and sg_pcopy_to_buffer() Date: Sun, 23 Jun 2013 21:37:37 +0900 Message-ID: <1371991061-19437-1-git-send-email-akinobu.mita@gmail.com> Cc: Akinobu Mita , Tejun Heo , Imre Deak , Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org, "James E.J. Bottomley" , Douglas Gilbert , linux-scsi@vger.kernel.org To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org This patch set introduces sg_pcopy_from_buffer() and sg_pcopy_to_buffer(), which copy data between a linear buffer and an SG list. The only difference between sg_pcopy_{from,to}_buffer() and sg_copy_{from,to}_buffer() is an additional argument that specifies the number of bytes to skip the SG list before copying. The main reason for introducing these functions is to fix a problem in scsi_debug module. And there is a local function in crypto/talitos module, which can be replaced by sg_pcopy_to_buffer(). * Changes from v2 - Add Acked-by line - Rename sg_miter_seek() to sg_miter_skip() - Remove the restriction on when sg_miter_skip() can be called * Changes from v1 - Separate the change that factors out sg_miter_get_next_page() from the patch "introduce sg_pcopy_from_buffer() and sg_pcopy_to_buffer()" - Add function comment for internal function sg_miter_seek() - Simplify the assignment of sdb->resid in fill_from_dev_buffer() in scsi_debug Akinobu Mita (4): lib/scatterlist: factor out sg_miter_get_next_page() from sg_miter_next() lib/scatterlist: introduce sg_pcopy_from_buffer() and sg_pcopy_to_buffer() crypto: talitos: use sg_pcopy_to_buffer() scsi_debug: fix do_device_access() with wrap around range drivers/crypto/talitos.c | 60 +-------------------- drivers/scsi/scsi_debug.c | 48 +++++++++++++---- include/linux/scatterlist.h | 5 ++ lib/scatterlist.c | 127 +++++++++++++++++++++++++++++++++++++------- 4 files changed, 150 insertions(+), 90 deletions(-) Cc: Tejun Heo Cc: Imre Deak Cc: Herbert Xu Cc: "David S. Miller" Cc: linux-crypto@vger.kernel.org Cc: "James E.J. Bottomley" Cc: Douglas Gilbert Cc: linux-scsi@vger.kernel.org -- 1.8.1.4