Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 27 Feb 2003 15:23:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 27 Feb 2003 15:23:32 -0500 Received: from zmamail01.zma.compaq.com ([161.114.64.101]:62223 "EHLO zmamail01.zma.compaq.com") by vger.kernel.org with ESMTP id ; Thu, 27 Feb 2003 15:23:30 -0500 Date: Thu, 27 Feb 2003 14:36:22 +0600 From: Stephen Cameron To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] 2.5.63 cciss fix unlikely startup problem Message-ID: <20030227083622.GA3704@zuul.cca.cpqcorp.net> Reply-To: steve.cameron@hp.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2302 Lines: 66 Another cciss patch for 2.5.63 Add CCISS_GETLUNINFO ioctl. This ioctl returns the LUNID, number of partitions, and current number of opens on a logical volume. Used by the array config utility or any app that needs to send passthrough commands to a particular logical disk. -- steve --- linux-2.5.63/drivers/block/cciss.c~getluninfo_ioctl 2003-02-27 14:11:51.000000000 +0600 +++ linux-2.5.63-scameron/drivers/block/cciss.c 2003-02-27 14:11:51.000000000 +0600 @@ -589,6 +589,24 @@ static int cciss_ioctl(struct inode *ino case CCISS_REVALIDVOLS: return( revalidate_allvol(inode->i_rdev)); + case CCISS_GETLUNINFO: { + LogvolInfo_struct luninfo; + struct gendisk *disk = hba[ctlr]->gendisk[dsk]; + drive_info_struct *drv = &hba[ctlr]->drv[dsk]; + int i; + + luninfo.LunID = drv->LunID; + luninfo.num_opens = drv->usage_count; + luninfo.num_parts = 0; + /* count partitions 1 to 15 with sizes > 0 */ + for(i=1; i part[i].nr_sects != 0) + luninfo.num_parts++; + if (copy_to_user((void *) arg, &luninfo, + sizeof(LogvolInfo_struct))) + return -EFAULT; + return(0); + } case CCISS_DEREGDISK: return( deregister_disk(ctlr,dsk)); --- linux-2.5.63/include/linux/cciss_ioctl.h~getluninfo_ioctl 2003-02-27 14:11:51.000000000 +0600 +++ linux-2.5.63-scameron/include/linux/cciss_ioctl.h 2003-02-27 14:11:51.000000000 +0600 @@ -169,6 +169,11 @@ typedef struct _IOCTL_Command_struct { BYTE *buf; } IOCTL_Command_struct; +typedef struct _LogvolInfo_struct{ + __u32 LunID; + int num_opens; /* number of opens on the logical volume */ + int num_parts; /* number of partitions configured on logvol */ +} LogvolInfo_struct; #define CCISS_GETPCIINFO _IOR(CCISS_IOC_MAGIC, 1, cciss_pci_info_struct) @@ -190,5 +195,6 @@ typedef struct _IOCTL_Command_struct { #define CCISS_REGNEWDISK _IOW(CCISS_IOC_MAGIC, 13, int) #define CCISS_REGNEWD _IO(CCISS_IOC_MAGIC, 14) +#define CCISS_GETLUNINFO _IOR(CCISS_IOC_MAGIC, 17, LogvolInfo_struct) #endif _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/