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Subject[PATCH] 1/8 Backport recent 2.6 IDE updates to 2.4.x
This patch eliminates HDIO_GETGEO_BIG and HDIO_GETGEO_BIG_RAW,
where are entirely unused and unnecessary. They were also
removed from 2.6.x,

-Erik

--
Erik B. Andersen http://codepoet-consulting.com/
--This message was written using 73% post-consumer electrons--


--- orig/arch/ppc64/kernel/ioctl32.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/arch/ppc64/kernel/ioctl32.c 2003-08-16 21:09:11.000000000 -0600
@@ -856,28 +856,6 @@
u32 start;
};

-static int hdio_getgeo_big(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- mm_segment_t old_fs = get_fs();
- struct hd_big_geometry geo;
- int err;
-
- set_fs (KERNEL_DS);
- err = sys_ioctl(fd, HDIO_GETGEO_BIG, (unsigned long)&geo);
- set_fs (old_fs);
- if (err)
- return err;
- else {
- struct hd_big_geometry32 *user_geo = (struct hd_big_geometry32 *)arg;
- err = __put_user (geo.heads, &(user_geo->heads));
- err |= __put_user (geo.sectors, &(user_geo->sectors));
- err |= __put_user (geo.cylinders, &(user_geo->cylinders));
- err |= __put_user (geo.start, &(user_geo->start));
- }
- return err ? -EFAULT : 0;
-}
-
-
static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
@@ -4490,8 +4468,6 @@
HANDLE_IOCTL(SIOCRTMSG, ret_einval),
HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp),
HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo),
-HANDLE_IOCTL(HDIO_GETGEO_BIG, hdio_getgeo_big),
-HANDLE_IOCTL(HDIO_GETGEO_BIG_RAW, hdio_getgeo_big),
HANDLE_IOCTL(BLKRAGET, w_long),
HANDLE_IOCTL(BLKGETSIZE, w_long),
HANDLE_IOCTL(0x1260, broken_blkgetsize),
--- orig/arch/sparc64/kernel/ioctl32.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/arch/sparc64/kernel/ioctl32.c 2003-08-16 21:09:11.000000000 -0600
@@ -850,27 +850,6 @@
u32 start;
};

-static int hdio_getgeo_big(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- mm_segment_t old_fs = get_fs();
- struct hd_big_geometry geo;
- int err;
-
- set_fs (KERNEL_DS);
- err = sys_ioctl(fd, cmd, (unsigned long)&geo);
- set_fs (old_fs);
- if (!err) {
- struct hd_big_geometry32 *up = (struct hd_big_geometry32 *) arg;
-
- if (put_user(geo.heads, &up->heads) ||
- __put_user(geo.sectors, &up->sectors) ||
- __put_user(geo.cylinders, &up->cylinders) ||
- __put_user(((u32) geo.start), &up->start))
- err = -EFAULT;
- }
- return err;
-}
-
struct fbcmap32 {
int index; /* first element (0 origin) */
int count;
@@ -5160,8 +5139,6 @@
HANDLE_IOCTL(SIOCRTMSG, ret_einval)
HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
-HANDLE_IOCTL(HDIO_GETGEO_BIG, hdio_getgeo_big)
-HANDLE_IOCTL(HDIO_GETGEO_BIG_RAW, hdio_getgeo_big)
HANDLE_IOCTL(BLKRAGET, w_long)
HANDLE_IOCTL(BLKGETSIZE, w_long)
HANDLE_IOCTL(0x1260, broken_blkgetsize)
--- orig/drivers/block/cciss.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/block/cciss.c 2003-08-16 21:09:11.000000000 -0600
@@ -489,26 +489,6 @@
return -EFAULT;
return 0;
}
- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry driver_geo;
- if (hba[ctlr]->drv[dsk].cylinders) {
- driver_geo.heads = hba[ctlr]->drv[dsk].heads;
- driver_geo.sectors = hba[ctlr]->drv[dsk].sectors;
- driver_geo.cylinders = hba[ctlr]->drv[dsk].cylinders;
- } else {
- driver_geo.heads = 0xff;
- driver_geo.sectors = 0x3f;
- driver_geo.cylinders =
- hba[ctlr]->drv[dsk].nr_blocks / (0xff*0x3f);
- }
- driver_geo.start=
- hba[ctlr]->hd[MINOR(inode->i_rdev)].start_sect;
- if (copy_to_user((void *) arg, &driver_geo,
- sizeof( struct hd_big_geometry)))
- return -EFAULT;
- return 0;
- }
case BLKRRPART:
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
--- orig/drivers/block/cpqarray.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/block/cpqarray.c 2003-08-16 21:09:11.000000000 -0600
@@ -1251,27 +1251,6 @@
return -EFAULT;
return(0);
}
- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry driver_geo;
-
- if (hba[ctlr]->drv[dsk].cylinders) {
- driver_geo.heads = hba[ctlr]->drv[dsk].heads;
- driver_geo.sectors = hba[ctlr]->drv[dsk].sectors;
- driver_geo.cylinders = hba[ctlr]->drv[dsk].cylinders;
- } else {
- driver_geo.heads = 0xff;
- driver_geo.sectors = 0x3f;
- driver_geo.cylinders = hba[ctlr]->drv[dsk].nr_blks
- / (0xff*0x3f);
- }
- driver_geo.start=
- hba[ctlr]->hd[MINOR(inode->i_rdev)].start_sect;
- if (copy_to_user((void *) arg, &driver_geo,
- sizeof( struct hd_big_geometry)))
- return -EFAULT;
- return(0);
- }

case IDAGETDRVINFO:
{
--- orig/drivers/ide/ide.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/ide/ide.c 2003-08-16 21:09:11.000000000 -0600
@@ -1573,30 +1573,6 @@
return 0;
}

- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
- if (!loc || (drive->media != ide_disk && drive->media != ide_floppy)) return -EINVAL;
- if (put_user(drive->bios_head, (u8 *) &loc->heads)) return -EFAULT;
- if (put_user(drive->bios_sect, (u8 *) &loc->sectors)) return -EFAULT;
- if (put_user(drive->bios_cyl, (unsigned int *) &loc->cylinders)) return -EFAULT;
- if (put_user((unsigned)drive->part[MINOR(inode->i_rdev)&PARTN_MASK].start_sect,
- (unsigned long *) &loc->start)) return -EFAULT;
- return 0;
- }
-
- case HDIO_GETGEO_BIG_RAW:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
- if (!loc || (drive->media != ide_disk && drive->media != ide_floppy)) return -EINVAL;
- if (put_user(drive->head, (u8 *) &loc->heads)) return -EFAULT;
- if (put_user(drive->sect, (u8 *) &loc->sectors)) return -EFAULT;
- if (put_user(drive->cyl, (unsigned int *) &loc->cylinders)) return -EFAULT;
- if (put_user((unsigned)drive->part[MINOR(inode->i_rdev)&PARTN_MASK].start_sect,
- (unsigned long *) &loc->start)) return -EFAULT;
- return 0;
- }
-
case BLKGETSIZE: /* Return device size */
return put_user(drive->part[MINOR(inode->i_rdev)&PARTN_MASK].nr_sects, (unsigned long *) arg);
case BLKGETSIZE64:
--- orig/drivers/ide/raid/hptraid.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/ide/raid/hptraid.c 2003-08-16 21:09:11.000000000 -0600
@@ -199,22 +199,6 @@
return 0;
}

- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
- unsigned int bios_cyl;
- if (!loc) return -EINVAL;
- val = 255;
- if (put_user(val, (byte *) &loc->heads)) return -EFAULT;
- val = 63;
- if (put_user(val, (byte *) &loc->sectors)) return -EFAULT;
- bios_cyl = raid[minor].sectors/63/255;
- if (put_user(bios_cyl, (unsigned int *) &loc->cylinders)) return -EFAULT;
- if (put_user((unsigned)ataraid_gendisk.part[MINOR(inode->i_rdev)].start_sect,
- (unsigned long *) &loc->start)) return -EFAULT;
- return 0;
- }
-
default:
return blk_ioctl(inode->i_rdev, cmd, arg);
};
--- orig/drivers/ide/raid/pdcraid.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/ide/raid/pdcraid.c 2003-08-16 21:09:11.000000000 -0600
@@ -132,18 +132,6 @@
return 0;
}

- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
- if (!loc) return -EINVAL;
- if (put_user(raid[minor].geom.heads, (byte *) &loc->heads)) return -EFAULT;
- if (put_user(raid[minor].geom.sectors, (byte *) &loc->sectors)) return -EFAULT;
- if (put_user(raid[minor].geom.cylinders, (unsigned int *) &loc->cylinders)) return -EFAULT;
- if (put_user((unsigned)ataraid_gendisk.part[MINOR(inode->i_rdev)].start_sect,
- (unsigned long *) &loc->start)) return -EFAULT;
- return 0;
- }
-
default:
return blk_ioctl(inode->i_rdev, cmd, arg);
};
--- orig/drivers/ide/raid/silraid.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/ide/raid/silraid.c 2003-08-16 21:09:11.000000000 -0600
@@ -130,19 +130,6 @@
return 0;
}

- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
- if (!loc) return -EINVAL;
- if (put_user(raid[minor].geom.heads, (byte *) &loc->heads)) return -EFAULT;
- if (put_user(raid[minor].geom.sectors, (byte *) &loc->sectors)) return -EFAULT;
- if (put_user(raid[minor].geom.cylinders, (unsigned int *) &loc->cylinders)) return -EFAULT;
- if (put_user((unsigned)ataraid_gendisk.part[MINOR(inode->i_rdev)].start_sect,
- (unsigned long *) &loc->start)) return -EFAULT;
- return 0;
- }
-
-
case BLKROSET:
case BLKROGET:
case BLKSSZGET:
--- orig/drivers/md/lvm.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/md/lvm.c 2003-08-16 21:09:11.000000000 -0600
@@ -893,13 +893,14 @@
} /* lvm_blk_open() */

/* Deliver "hard disk geometry" */
-static int _hdio_getgeo(ulong a, lv_t *lv_ptr, int what)
+static int _hdio_getgeo(ulong a, lv_t *lv_ptr)
{
int ret = 0;
uchar heads = 128;
uchar sectors = 128;
ulong start = 0;
uint cylinders;
+ struct hd_geometry *hd = (struct hd_geometry *) a;

while ( heads * sectors > lv_ptr->lv_size) {
heads >>= 1;
@@ -907,35 +908,11 @@
}
cylinders = lv_ptr->lv_size / heads / sectors;

- switch (what) {
- case 0:
- {
- struct hd_geometry *hd = (struct hd_geometry *) a;
-
- if (put_user(heads, &hd->heads) ||
- put_user(sectors, &hd->sectors) ||
- put_user((ushort) cylinders, &hd->cylinders) ||
- put_user(start, &hd->start))
- return -EFAULT;
- break;
- }
-
-#ifdef HDIO_GETGEO_BIG
- case 1:
- {
- struct hd_big_geometry *hd =
- (struct hd_big_geometry *) a;
-
- if (put_user(heads, &hd->heads) ||
- put_user(sectors, &hd->sectors) ||
- put_user(cylinders, &hd->cylinders) ||
- put_user(start, &hd->start))
- return -EFAULT;
- break;
- }
-#endif
-
- }
+ if (put_user(heads, &hd->heads) ||
+ put_user(sectors, &hd->sectors) ||
+ put_user((ushort) cylinders, &hd->cylinders) ||
+ put_user(start, &hd->start))
+ return -EFAULT;

P_IOCTL("%s -- lvm_blk_ioctl -- cylinders: %d\n",
lvm_name, cylinders);
@@ -970,23 +947,12 @@
break;

case HDIO_GETGEO:
-#ifdef HDIO_GETGEO_BIG
- case HDIO_GETGEO_BIG:
-#endif
/* get disk geometry */
P_IOCTL("%s -- lvm_blk_ioctl -- HDIO_GETGEO\n",
lvm_name);
if (!a)
return -EINVAL;
-
- switch (cmd) {
- case HDIO_GETGEO:
- return _hdio_getgeo(a, lv_ptr, 0);
-#ifdef HDIO_GETGEO_BIG
- case HDIO_GETGEO_BIG:
- return _hdio_getgeo(a, lv_ptr, 1);
-#endif
- }
+ return _hdio_getgeo(a, lv_ptr);

case LV_BMAP:
/* turn logical block into (dev_t, block). non privileged. */
--- orig/drivers/scsi/sd.c 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/drivers/scsi/sd.c 2003-08-16 21:09:11.000000000 -0600
@@ -205,39 +205,6 @@
return -EFAULT;
return 0;
}
- case HDIO_GETGEO_BIG:
- {
- struct hd_big_geometry *loc = (struct hd_big_geometry *) arg;
-
- if(!loc)
- return -EINVAL;
-
- host = rscsi_disks[DEVICE_NR(dev)].device->host;
-
- /* default to most commonly used values */
-
- diskinfo[0] = 0x40;
- diskinfo[1] = 0x20;
- diskinfo[2] = rscsi_disks[DEVICE_NR(dev)].capacity >> 11;
-
- /* override with calculated, extended default, or driver values */
-
- if(host->hostt->bios_param != NULL)
- host->hostt->bios_param(&rscsi_disks[DEVICE_NR(dev)],
- dev,
- &diskinfo[0]);
- else scsicam_bios_param(&rscsi_disks[DEVICE_NR(dev)],
- dev, &diskinfo[0]);
-
- if (put_user(diskinfo[0], &loc->heads) ||
- put_user(diskinfo[1], &loc->sectors) ||
- put_user(diskinfo[2], (unsigned int *) &loc->cylinders) ||
- put_user(sd_gendisks[SD_MAJOR_IDX(
- inode->i_rdev)].part[MINOR(
- inode->i_rdev)].start_sect, &loc->start))
- return -EFAULT;
- return 0;
- }
case BLKGETSIZE:
case BLKGETSIZE64:
case BLKROSET:
--- orig/include/linux/hdreg.h 2003-08-16 21:09:11.000000000 -0600
+++ linux-2.4.21/include/linux/hdreg.h 2003-08-16 21:09:11.000000000 -0600
@@ -361,7 +361,7 @@
#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
#define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */
#define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */
-#define SETFEATURES_RW_LONG 0x44 /* Set Lenght of VS bytes */
+#define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */
#define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */
#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
@@ -401,14 +401,6 @@
unsigned long start;
};

-/* BIG GEOMETRY */
-struct hd_big_geometry {
- unsigned char heads;
- unsigned char sectors;
- unsigned int cylinders;
- unsigned long start;
-};
-
/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
#define HDIO_GETGEO 0x0301 /* get device geometry */
#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
@@ -462,8 +454,8 @@
};

/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
-#define HDIO_GETGEO_BIG 0x0330 /* */
-#define HDIO_GETGEO_BIG_RAW 0x0331 /* */
+/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
+/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */

#define HDIO_SET_IDE_SCSI 0x0338
#define HDIO_SET_SCSI_IDE 0x0339
-
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