Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933750AbdIXUol (ORCPT ); Sun, 24 Sep 2017 16:44:41 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33034 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933726AbdIXUoh (ORCPT ); Sun, 24 Sep 2017 16:44:37 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hannes Reinecke , Bart Van Assche , Christoph Hellwig , "Martin K. Petersen" Subject: [PATCH 4.13 065/109] scsi: sg: factor out sg_fill_request_table() Date: Sun, 24 Sep 2017 22:33:26 +0200 Message-Id: <20170924203355.701880250@linuxfoundation.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170924203353.104695385@linuxfoundation.org> References: <20170924203353.104695385@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2996 Lines: 106 4.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hannes Reinecke commit 4759df905a474d245752c9dc94288e779b8734dd upstream. Factor out sg_fill_request_table() for better readability. [mkp: typos, applied by hand] Signed-off-by: Hannes Reinecke Reviewed-by: Bart Van Assche Reviewed-by: Christoph Hellwig Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/sg.c | 61 ++++++++++++++++++++++++++++++------------------------ 1 file changed, 35 insertions(+), 26 deletions(-) --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -828,6 +828,40 @@ static int max_sectors_bytes(struct requ return max_sectors << 9; } +static void +sg_fill_request_table(Sg_fd *sfp, sg_req_info_t *rinfo) +{ + Sg_request *srp; + int val; + unsigned int ms; + + val = 0; + list_for_each_entry(srp, &sfp->rq_list, entry) { + if (val > SG_MAX_QUEUE) + break; + memset(&rinfo[val], 0, SZ_SG_REQ_INFO); + rinfo[val].req_state = srp->done + 1; + rinfo[val].problem = + srp->header.masked_status & + srp->header.host_status & + srp->header.driver_status; + if (srp->done) + rinfo[val].duration = + srp->header.duration; + else { + ms = jiffies_to_msecs(jiffies); + rinfo[val].duration = + (ms > srp->header.duration) ? + (ms - srp->header.duration) : 0; + } + rinfo[val].orphan = srp->orphan; + rinfo[val].sg_io_owned = srp->sg_io_owned; + rinfo[val].pack_id = srp->header.pack_id; + rinfo[val].usr_ptr = srp->header.usr_ptr; + val++; + } +} + static long sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) { @@ -1012,38 +1046,13 @@ sg_ioctl(struct file *filp, unsigned int return -EFAULT; else { sg_req_info_t *rinfo; - unsigned int ms; rinfo = kmalloc(SZ_SG_REQ_INFO * SG_MAX_QUEUE, GFP_KERNEL); if (!rinfo) return -ENOMEM; read_lock_irqsave(&sfp->rq_list_lock, iflags); - val = 0; - list_for_each_entry(srp, &sfp->rq_list, entry) { - if (val >= SG_MAX_QUEUE) - break; - memset(&rinfo[val], 0, SZ_SG_REQ_INFO); - rinfo[val].req_state = srp->done + 1; - rinfo[val].problem = - srp->header.masked_status & - srp->header.host_status & - srp->header.driver_status; - if (srp->done) - rinfo[val].duration = - srp->header.duration; - else { - ms = jiffies_to_msecs(jiffies); - rinfo[val].duration = - (ms > srp->header.duration) ? - (ms - srp->header.duration) : 0; - } - rinfo[val].orphan = srp->orphan; - rinfo[val].sg_io_owned = srp->sg_io_owned; - rinfo[val].pack_id = srp->header.pack_id; - rinfo[val].usr_ptr = srp->header.usr_ptr; - val++; - } + sg_fill_request_table(sfp, rinfo); read_unlock_irqrestore(&sfp->rq_list_lock, iflags); result = __copy_to_user(p, rinfo, SZ_SG_REQ_INFO * SG_MAX_QUEUE);