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-rw-r--r--drivers/block/amiflop.c17
-rw-r--r--drivers/block/ataflop.c18
-rw-r--r--drivers/block/brd.c5
-rw-r--r--drivers/block/cciss.c8
-rw-r--r--drivers/block/cpqarray.c18
-rw-r--r--drivers/block/floppy.c17
-rw-r--r--drivers/block/nbd.c5
-rw-r--r--drivers/block/paride/pcd.c11
-rw-r--r--drivers/block/paride/pd.c5
-rw-r--r--drivers/block/paride/pf.c6
-rw-r--r--drivers/block/pktcdvd.c13
-rw-r--r--drivers/block/swim.c5
-rw-r--r--drivers/block/swim3.c17
-rw-r--r--drivers/block/ub.c10
-rw-r--r--drivers/block/virtio_blk.c17
-rw-r--r--drivers/block/xd.c17
-rw-r--r--drivers/block/xen-blkfront.c2
17 files changed, 159 insertions, 32 deletions
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 832798aa14f..0fa26359304 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -60,6 +60,7 @@
#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>
@@ -1423,7 +1424,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
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;
@@ -1500,6 +1501,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
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;
@@ -1638,7 +1651,7 @@ static const struct block_device_operations floppy_fops = {
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.getgeo = fd_getgeo,
.media_changed = amiga_floppy_change,
};
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index e35cf59cbfd..1bb8bfcfdbd 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -67,6 +67,7 @@
#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>
@@ -359,7 +360,7 @@ static void finish_fdc( void );
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 );
@@ -1480,7 +1481,7 @@ void do_fd_request(struct request_queue * q)
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;
@@ -1665,6 +1666,17 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
}
}
+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' */
@@ -1855,7 +1867,7 @@ static const struct block_device_operations floppy_fops = {
.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,
};
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 1d2c18620f9..1c7f63792ff 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -15,6 +15,7 @@
#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>
@@ -401,6 +402,7 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode,
* 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) {
@@ -417,13 +419,14 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode,
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
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 11b377762b8..a6c0494dd05 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -179,6 +179,8 @@ static irqreturn_t do_cciss_intx(int irq, void *dev_id);
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);
@@ -237,7 +239,7 @@ static const struct block_device_operations cciss_fops = {
.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,
@@ -1057,8 +1059,6 @@ static int cciss_release(struct gendisk *disk, fmode_t mode)
return 0;
}
-#ifdef CONFIG_COMPAT
-
static int do_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
@@ -1069,6 +1069,8 @@ static int do_ioctl(struct block_device *bdev, fmode_t mode,
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,
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index abb4ec6690f..c459aeea3c0 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -35,6 +35,7 @@
#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>
@@ -197,7 +198,7 @@ static const struct block_device_operations ida_fops = {
.owner = THIS_MODULE,
.open = ida_open,
.release = ida_release,
- .locked_ioctl = ida_ioctl,
+ .ioctl = ida_ioctl,
.getgeo = ida_getgeo,
.revalidate_disk= ida_revalidate,
};
@@ -1128,7 +1129,7 @@ static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo)
* 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);
@@ -1192,6 +1193,19 @@ out_passthru:
}
}
+
+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,
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 82c30f9f81c..40419b066aa 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -178,6 +178,7 @@ static int print_unex = 1;
#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>
@@ -3371,7 +3372,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
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;
@@ -3547,6 +3548,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
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;
@@ -3848,7 +3861,7 @@ static const struct block_device_operations floppy_fops = {
.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,
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 2e74e7d475c..6751789fb37 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -24,6 +24,7 @@
#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>
@@ -716,9 +717,11 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
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;
}
@@ -726,7 +729,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
static const struct block_device_operations nbd_fops =
{
.owner = THIS_MODULE,
- .locked_ioctl = nbd_ioctl,
+ .ioctl = nbd_ioctl,
};
/*
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 71acf4e5335..daba7a62a66 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -138,6 +138,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY};
#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);
@@ -238,7 +239,13 @@ static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode,
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)
@@ -251,7 +258,7 @@ static const struct block_device_operations pcd_bdops = {
.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,
};
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 4e8b9bff3ab..c4d6ed9846c 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -153,6 +153,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
#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>
@@ -768,8 +769,10 @@ static int pd_ioctl(struct block_device *bdev, fmode_t mode,
switch (cmd) {
case CDROMEJECT:
+ lock_kernel();
if (disk->access == 1)
pd_special_command(disk, pd_eject);
+ unlock_kernel();
return 0;
default:
return -EINVAL;
@@ -812,7 +815,7 @@ static const struct block_device_operations pd_fops = {
.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
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index c059aab3006..38b4d566b81 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -152,6 +152,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_LUN, D_DLY};
#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);
@@ -266,7 +267,7 @@ static const struct block_device_operations pf_fops = {
.owner = THIS_MODULE,
.open = pf_open,
.release = pf_release,
- .locked_ioctl = pf_ioctl,
+ .ioctl = pf_ioctl,
.getgeo = pf_getgeo,
.media_changed = pf_check_media,
};
@@ -342,7 +343,10 @@ static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, u
if (pf->access != 1)
return -EBUSY;
+ lock_kernel();
pf_eject(pf);
+ unlock_kernel();
+
return 0;
}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 9f3e4454274..40f1e31f42c 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -57,6 +57,7 @@
#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>
@@ -2762,10 +2763,12 @@ out_mem:
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:
/*
@@ -2783,14 +2786,16 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
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)
@@ -2812,7 +2817,7 @@ static const struct block_device_operations pktcdvd_ops = {
.owner = THIS_MODULE,
.open = pkt_open,
.release = pkt_close,
- .locked_ioctl = pkt_ioctl,
+ .ioctl = pkt_ioctl,
.media_changed = pkt_media_changed,
};
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index e463657569f..f04f74e3758 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -20,6 +20,7 @@
#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>
@@ -690,7 +691,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
case FDEJECT:
if (fs->ref_count != 1)
return -EBUSY;
+ lock_kernel();
err = floppy_eject(fs);
+ unlock_kernel();
return err;
case FDGETPRM:
@@ -753,7 +756,7 @@ static const struct block_device_operations floppy_fops = {
.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,
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index ed6fb91123a..f3657b2a538 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -25,6 +25,7 @@
#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>
@@ -839,7 +840,7 @@ static int fd_eject(struct floppy_state *fs)
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;
@@ -867,6 +868,18 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
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;
@@ -997,7 +1010,7 @@ static int floppy_revalidate(struct gendisk *disk)
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,
};
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index aaf27fb4efd..102ed52d0e0 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -28,6 +28,7 @@
#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"
@@ -1729,8 +1730,13 @@ static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode,
{
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;
}
/*
@@ -1794,7 +1800,7 @@ static const struct block_device_operations ub_bd_fops = {
.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,
};
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0a3222fd444..7b0f7b624ad 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -2,6 +2,7 @@
#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>
@@ -217,7 +218,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
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;
@@ -243,6 +244,18 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
(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)
{
@@ -269,7 +282,7 @@ 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,
};
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index b16a3a926cf..d5a3cd75056 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -46,6 +46,7 @@
#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>
@@ -133,7 +134,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
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);
@@ -347,7 +348,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
}
/* 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:
@@ -375,6 +376,18 @@ static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long a
}
}
+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)
{
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 76af65b654e..9119cd3d56a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1045,7 +1045,7 @@ static const struct block_device_operations xlvbd_block_fops =
.open = blkif_open,
.release = blkif_release,
.getgeo = blkif_getgeo,
- .locked_ioctl = blkif_ioctl,
+ .ioctl = blkif_ioctl,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 04:16:07 +0000