unsigned cmd, unsigned long arg)
{
struct gendisk *disk = bdev->bd_disk;
- int ret;
if (disk->fops->ioctl)
return disk->fops->ioctl(bdev, mode, cmd, arg);
- if (disk->fops->locked_ioctl) {
- lock_kernel();
- ret = disk->fops->locked_ioctl(bdev, mode, cmd, arg);
- unlock_kernel();
- return ret;
- }
-
return -ENOTTY;
}
/*
EXPORT_SYMBOL_GPL(__blkdev_driver_ioctl);
/*
- * always keep this in sync with compat_blkdev_ioctl() and
- * compat_blkdev_locked_ioctl()
+ * always keep this in sync with compat_blkdev_ioctl()
*/
int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
unsigned long arg)
#include <linux/hdreg.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <linux/amifdreg.h>
#include <linux/amifd.h>
#include <linux/buffer_head.h>
return 0;
}
-static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long param)
{
struct amiga_floppy_struct *p = bdev->bd_disk->private_data;
return 0;
}
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = fd_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
static void fd_probe(int dev)
{
unsigned long code;
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.getgeo = fd_getgeo,
.media_changed = amiga_floppy_change,
};
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <asm/atafd.h>
#include <asm/atafdreg.h>
static void finish_fdc_done( int dummy );
static void setup_req_params( int drive );
static void redo_fd_request( void);
-static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
cmd, unsigned long param);
static void fd_probe( int drive );
static int fd_test_drive_present( int drive );
atari_enable_irq( IRQ_MFP_FDC );
}
-static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long param)
{
struct gendisk *disk = bdev->bd_disk;
}
}
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = fd_locked_ioctl(bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
/* Initialize the 'unit' variable for drive 'drive' */
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.media_changed = check_floppy_change,
.revalidate_disk= floppy_revalidate,
};
#include <linux/blkdev.h>
#include <linux/bio.h>
#include <linux/highmem.h>
+#include <linux/smp_lock.h>
#include <linux/radix-tree.h>
#include <linux/buffer_head.h> /* invalidate_bh_lrus() */
#include <linux/slab.h>
* ram device BLKFLSBUF has special semantics, we want to actually
* release and destroy the ramdisk data.
*/
+ lock_kernel();
mutex_lock(&bdev->bd_mutex);
error = -EBUSY;
if (bdev->bd_openers <= 1) {
error = 0;
}
mutex_unlock(&bdev->bd_mutex);
+ unlock_kernel();
return error;
}
static const struct block_device_operations brd_fops = {
.owner = THIS_MODULE,
- .locked_ioctl = brd_ioctl,
+ .ioctl = brd_ioctl,
#ifdef CONFIG_BLK_DEV_XIP
.direct_access = brd_direct_access,
#endif
static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
static int cciss_open(struct block_device *bdev, fmode_t mode);
static int cciss_release(struct gendisk *disk, fmode_t mode);
+static int do_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
.owner = THIS_MODULE,
.open = cciss_open,
.release = cciss_release,
- .locked_ioctl = cciss_ioctl,
+ .ioctl = do_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
return 0;
}
-#ifdef CONFIG_COMPAT
-
static int do_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
return ret;
}
+#ifdef CONFIG_COMPAT
+
static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg);
static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/hdreg.h>
+#include <linux/smp_lock.h>
#include <linux/spinlock.h>
#include <linux/blkdev.h>
#include <linux/genhd.h>
.owner = THIS_MODULE,
.open = ida_open,
.release = ida_release,
- .locked_ioctl = ida_ioctl,
+ .ioctl = ida_ioctl,
.getgeo = ida_getgeo,
.revalidate_disk= ida_revalidate,
};
* ida_ioctl does some miscellaneous stuff like reporting drive geometry,
* setting readahead and submitting commands from userspace to the controller.
*/
-static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
+static int ida_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
{
drv_info_t *drv = get_drv(bdev->bd_disk);
ctlr_info_t *host = get_host(bdev->bd_disk);
}
}
+
+static int ida_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ida_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
/*
* ida_ctlr_ioctl is for passing commands to the controller from userspace.
* The command block (io) has already been copied to kernel space for us,
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/bio.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/jiffies.h>
#include <linux/fcntl.h>
return 0;
}
-static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
unsigned long param)
{
int drive = (long)bdev->bd_disk->private_data;
return 0;
}
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = fd_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
static void __init config_types(void)
{
bool has_drive = false;
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.getgeo = fd_getgeo,
.media_changed = check_floppy_change,
.revalidate_disk = floppy_revalidate,
#include <linux/errno.h>
#include <linux/file.h>
#include <linux/ioctl.h>
+#include <linux/smp_lock.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/kernel.h>
dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
+ lock_kernel();
mutex_lock(&lo->tx_lock);
error = __nbd_ioctl(bdev, lo, cmd, arg);
mutex_unlock(&lo->tx_lock);
+ unlock_kernel();
return error;
}
static const struct block_device_operations nbd_fops =
{
.owner = THIS_MODULE,
- .locked_ioctl = nbd_ioctl,
+ .ioctl = nbd_ioctl,
};
/*
#include <linux/cdrom.h>
#include <linux/spinlock.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
static DEFINE_SPINLOCK(pcd_lock);
unsigned cmd, unsigned long arg)
{
struct pcd_unit *cd = bdev->bd_disk->private_data;
- return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
+ int ret;
+
+ lock_kernel();
+ ret = cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
}
static int pcd_block_media_changed(struct gendisk *disk)
.owner = THIS_MODULE,
.open = pcd_block_open,
.release = pcd_block_release,
- .locked_ioctl = pcd_block_ioctl,
+ .ioctl = pcd_block_ioctl,
.media_changed = pcd_block_media_changed,
};
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/kernel.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <linux/workqueue.h>
switch (cmd) {
case CDROMEJECT:
+ lock_kernel();
if (disk->access == 1)
pd_special_command(disk, pd_eject);
+ unlock_kernel();
return 0;
default:
return -EINVAL;
.owner = THIS_MODULE,
.open = pd_open,
.release = pd_release,
- .locked_ioctl = pd_ioctl,
+ .ioctl = pd_ioctl,
.getgeo = pd_getgeo,
.media_changed = pd_check_media,
.revalidate_disk= pd_revalidate
#include <linux/spinlock.h>
#include <linux/blkdev.h>
#include <linux/blkpg.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
static DEFINE_SPINLOCK(pf_spin_lock);
.owner = THIS_MODULE,
.open = pf_open,
.release = pf_release,
- .locked_ioctl = pf_ioctl,
+ .ioctl = pf_ioctl,
.getgeo = pf_getgeo,
.media_changed = pf_check_media,
};
if (pf->access != 1)
return -EBUSY;
+ lock_kernel();
pf_eject(pf);
+ unlock_kernel();
+
return 0;
}
#include <linux/seq_file.h>
#include <linux/miscdevice.h>
#include <linux/freezer.h>
+#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <scsi/scsi_cmnd.h>
static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
{
struct pktcdvd_device *pd = bdev->bd_disk->private_data;
+ int ret;
VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd,
MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));
+ lock_kernel();
switch (cmd) {
case CDROMEJECT:
/*
case CDROM_LAST_WRITTEN:
case CDROM_SEND_PACKET:
case SCSI_IOCTL_SEND_COMMAND:
- return __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
+ ret = __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
+ break;
default:
VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
- return -ENOTTY;
+ ret = -ENOTTY;
}
+ unlock_kernel();
- return 0;
+ return ret;
}
static int pkt_media_changed(struct gendisk *disk)
.owner = THIS_MODULE,
.open = pkt_open,
.release = pkt_close,
- .locked_ioctl = pkt_ioctl,
+ .ioctl = pkt_ioctl,
.media_changed = pkt_media_changed,
};
#include <linux/fd.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <linux/hdreg.h>
#include <linux/kernel.h>
#include <linux/delay.h>
case FDEJECT:
if (fs->ref_count != 1)
return -EBUSY;
+ lock_kernel();
err = floppy_eject(fs);
+ unlock_kernel();
return err;
case FDGETPRM:
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = floppy_ioctl,
+ .ioctl = floppy_ioctl,
.getgeo = floppy_getgeo,
.media_changed = floppy_check_change,
.revalidate_disk = floppy_revalidate,
#include <linux/ioctl.h>
#include <linux/blkdev.h>
#include <linux/interrupt.h>
+#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <asm/io.h>
static struct floppy_struct floppy_type =
{ 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL }; /* 7 1.44MB 3.5" */
-static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
+static int floppy_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long param)
{
struct floppy_state *fs = bdev->bd_disk->private_data;
return -ENOTTY;
}
+static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = floppy_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
static int floppy_open(struct block_device *bdev, fmode_t mode)
{
struct floppy_state *fs = bdev->bd_disk->private_data;
static const struct block_device_operations floppy_fops = {
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = floppy_ioctl,
+ .ioctl = floppy_ioctl,
.media_changed = floppy_check_change,
.revalidate_disk= floppy_revalidate,
};
#include <linux/timer.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <scsi/scsi.h>
#define DRV_NAME "ub"
{
struct gendisk *disk = bdev->bd_disk;
void __user *usermem = (void __user *) arg;
+ int ret;
+
+ lock_kernel();
+ ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
+ unlock_kernel();
- return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
+ return ret;
}
/*
.owner = THIS_MODULE,
.open = ub_bd_open,
.release = ub_bd_release,
- .locked_ioctl = ub_bd_ioctl,
+ .ioctl = ub_bd_ioctl,
.media_changed = ub_bd_media_changed,
.revalidate_disk = ub_bd_revalidate,
};
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <linux/hdreg.h>
#include <linux/virtio.h>
#include <linux/virtio_blk.h>
return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
}
-static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
+static int virtblk_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long data)
{
struct gendisk *disk = bdev->bd_disk;
(void __user *)data);
}
+static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = virtblk_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
/* We provide getgeo only to please some old bootloader/partitioning tools */
static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
{
}
static const struct block_device_operations virtblk_fops = {
- .locked_ioctl = virtblk_ioctl,
+ .ioctl = virtblk_ioctl,
.owner = THIS_MODULE,
.getgeo = virtblk_getgeo,
};
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <linux/blkpg.h>
#include <linux/delay.h>
#include <linux/io.h>
static const struct block_device_operations xd_fops = {
.owner = THIS_MODULE,
- .locked_ioctl = xd_ioctl,
+ .ioctl = xd_ioctl,
.getgeo = xd_getgeo,
};
static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
}
/* xd_ioctl: handle device ioctl's */
-static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
+static int xd_locked_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
{
switch (cmd) {
case HDIO_SET_DMA:
}
}
+static int xd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = xd_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
/* xd_readwrite: handle a read/write request */
static int xd_readwrite (u_char operation,XD_INFO *p,char *buffer,u_int block,u_int count)
{
.open = blkif_open,
.release = blkif_release,
.getgeo = blkif_getgeo,
- .locked_ioctl = blkif_ioctl,
+ .ioctl = blkif_ioctl,
};
#include <linux/blkdev.h>
#include <linux/interrupt.h>
#include <linux/device.h>
+#include <linux/smp_lock.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
- return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
+ int ret;
+
+ lock_kernel();
+ ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
}
static const struct block_device_operations gdrom_bdops = {
.open = gdrom_bdops_open,
.release = gdrom_bdops_release,
.media_changed = gdrom_bdops_mediachanged,
- .locked_ioctl = gdrom_bdops_ioctl,
+ .ioctl = gdrom_bdops_ioctl,
};
static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id)
#include <linux/module.h>
#include <linux/completion.h>
#include <linux/proc_fs.h>
+#include <linux/smp_lock.h>
#include <linux/seq_file.h>
#include <linux/scatterlist.h>
unsigned cmd, unsigned long arg)
{
struct disk_info *di = bdev->bd_disk->private_data;
- return cdrom_ioctl(&di->viocd_info, bdev, mode, cmd, arg);
+ int ret;
+
+ lock_kernel();
+ ret = cdrom_ioctl(&di->viocd_info, bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
}
static int viocd_blk_media_changed(struct gendisk *disk)
.owner = THIS_MODULE,
.open = viocd_blk_open,
.release = viocd_blk_release,
- .locked_ioctl = viocd_blk_ioctl,
+ .ioctl = viocd_blk_ioctl,
.media_changed = viocd_blk_media_changed,
};
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
return 0;
}
-static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
+static int idecd_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info);
return err;
}
+static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = idecd_locked_ioctl(bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
static int idecd_media_changed(struct gendisk *disk)
{
struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
.owner = THIS_MODULE,
.open = idecd_open,
.release = idecd_release,
- .locked_ioctl = idecd_ioctl,
+ .ioctl = idecd_ioctl,
.media_changed = idecd_media_changed,
.revalidate_disk = idecd_revalidate_disk
};
#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
+#include <linux/smp_lock.h>
#include "ide-disk.h"
{
int err;
+ lock_kernel();
err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
if (err != -EOPNOTSUPP)
- return err;
+ goto out;
- return generic_ide_ioctl(drive, bdev, cmd, arg);
+ err = generic_ide_ioctl(drive, bdev, cmd, arg);
+out:
+ unlock_kernel();
+ return err;
}
#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/cdrom.h>
+#include <linux/smp_lock.h>
#include <asm/unaligned.h>
void __user *argp = (void __user *)arg;
int err;
- if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
- return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+ lock_kernel();
+ if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) {
+ err = ide_floppy_lockdoor(drive, &pc, arg, cmd);
+ goto out;
+ }
err = ide_floppy_format_ioctl(drive, &pc, mode, cmd, argp);
if (err != -ENOTTY)
- return err;
+ goto out;
/*
* skip SCSI_IOCTL_SEND_COMMAND (deprecated)
if (err == -ENOTTY)
err = generic_ide_ioctl(drive, bdev, cmd, arg);
+out:
+ unlock_kernel();
return err;
}
.owner = THIS_MODULE,
.open = ide_gd_open,
.release = ide_gd_release,
- .locked_ioctl = ide_gd_ioctl,
+ .ioctl = ide_gd_ioctl,
.getgeo = ide_gd_getgeo,
.media_changed = ide_gd_media_changed,
.unlock_native_capacity = ide_gd_unlock_native_capacity,
#include <linux/errno.h>
#include <linux/genhd.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/ide.h>
{
struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
ide_drive_t *drive = tape->drive;
- int err = generic_ide_ioctl(drive, bdev, cmd, arg);
+ int err;
+
+ lock_kernel();
+ err = generic_ide_ioctl(drive, bdev, cmd, arg);
if (err == -EINVAL)
err = idetape_blkdev_ioctl(drive, cmd, arg);
+ unlock_kernel();
+
return err;
}
.owner = THIS_MODULE,
.open = idetape_open,
.release = idetape_release,
- .locked_ioctl = idetape_ioctl,
+ .ioctl = idetape_ioctl,
};
static int ide_tape_probe(ide_drive_t *drive)
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2o.h>
-#include <linux/smp_lock.h>
#include <linux/mempool.h>
{
struct gendisk *disk = bdev->bd_disk;
struct i2o_block_device *dev = disk->private_data;
- int ret = -ENOTTY;
/* Anyone capable of this syscall can do *real bad* things */
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- lock_kernel();
switch (cmd) {
case BLKI2OGRSTRAT:
- ret = put_user(dev->rcache, (int __user *)arg);
- break;
+ return put_user(dev->rcache, (int __user *)arg);
case BLKI2OGWSTRAT:
- ret = put_user(dev->wcache, (int __user *)arg);
- break;
+ return put_user(dev->wcache, (int __user *)arg);
case BLKI2OSRSTRAT:
- ret = -EINVAL;
if (arg < 0 || arg > CACHE_SMARTFETCH)
- break;
+ return -EINVAL;
dev->rcache = arg;
- ret = 0;
break;
case BLKI2OSWSTRAT:
- ret = -EINVAL;
if (arg != 0
&& (arg < CACHE_WRITETHROUGH || arg > CACHE_SMARTBACK))
- break;
+ return -EINVAL;
dev->wcache = arg;
- ret = 0;
break;
}
- unlock_kernel();
-
- return ret;
+ return -ENOTTY;
};
/**
.open = i2o_block_open,
.release = i2o_block_release,
.ioctl = i2o_block_ioctl,
- .compat_ioctl = i2o_block_ioctl,
.getgeo = i2o_block_getgeo,
.media_changed = i2o_block_media_changed
};
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/spinlock.h>
+#include <linux/smp_lock.h>
#include <linux/hdreg.h>
#include <linux/init.h>
#include <linux/mutex.h>
if (!dev)
return ret;
+ lock_kernel();
mutex_lock(&dev->lock);
if (!dev->mtd)
}
unlock:
mutex_unlock(&dev->lock);
+ unlock_kernel();
blktrans_dev_put(dev);
return ret;
}
.owner = THIS_MODULE,
.open = blktrans_open,
.release = blktrans_release,
- .locked_ioctl = blktrans_ioctl,
+ .ioctl = blktrans_ioctl,
.getgeo = blktrans_getgeo,
};
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/delay.h>
+#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/string_helpers.h>
#include <linux/async.h>
SCSI_LOG_IOCTL(1, printk("sd_ioctl: disk=%s, cmd=0x%x\n",
disk->disk_name, cmd));
+ lock_kernel();
/*
* If we are in the middle of error recovery, don't let anyone
* else try and use this device. Also, if error recovery fails, it
error = scsi_nonblockable_ioctl(sdp, cmd, p,
(mode & FMODE_NDELAY) != 0);
if (!scsi_block_when_processing_errors(sdp) || !error)
- return error;
+ goto out;
/*
* Send SCSI addressing ioctls directly to mid level, send other
switch (cmd) {
case SCSI_IOCTL_GET_IDLUN:
case SCSI_IOCTL_GET_BUS_NUMBER:
- return scsi_ioctl(sdp, cmd, p);
+ error = scsi_ioctl(sdp, cmd, p);
+ break;
default:
error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p);
if (error != -ENOTTY)
- return error;
+ break;
+ error = scsi_ioctl(sdp, cmd, p);
+ break;
}
- return scsi_ioctl(sdp, cmd, p);
+out:
+ unlock_kernel();
+ return error;
}
static void set_media_not_present(struct scsi_disk *sdkp)
.owner = THIS_MODULE,
.open = sd_open,
.release = sd_release,
- .locked_ioctl = sd_ioctl,
+ .ioctl = sd_ioctl,
.getgeo = sd_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = sd_compat_ioctl,
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
void __user *argp = (void __user *)arg;
int ret;
+ lock_kernel();
+
/*
* Send SCSI addressing ioctls directly to mid level, send other
* ioctls to cdrom/block level.
switch (cmd) {
case SCSI_IOCTL_GET_IDLUN:
case SCSI_IOCTL_GET_BUS_NUMBER:
- return scsi_ioctl(sdev, cmd, argp);
+ ret = scsi_ioctl(sdev, cmd, argp);
+ goto out;
}
ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg);
if (ret != -ENOSYS)
- return ret;
+ goto out;
/*
* ENODEV means that we didn't recognise the ioctl, or that we
ret = scsi_nonblockable_ioctl(sdev, cmd, argp,
(mode & FMODE_NDELAY) != 0);
if (ret != -ENODEV)
- return ret;
- return scsi_ioctl(sdev, cmd, argp);
+ goto out;
+ ret = scsi_ioctl(sdev, cmd, argp);
+
+out:
+ unlock_kernel();
+ return ret;
}
static int sr_block_media_changed(struct gendisk *disk)
.owner = THIS_MODULE,
.open = sr_block_open,
.release = sr_block_release,
- .locked_ioctl = sr_block_ioctl,
+ .ioctl = sr_block_ioctl,
.media_changed = sr_block_media_changed,
/*
* No compat_ioctl for now because sr_block_ioctl never
struct block_device_operations {
int (*open) (struct block_device *, fmode_t);
int (*release) (struct gendisk *, fmode_t);
- int (*locked_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*direct_access) (struct block_device *, sector_t,