diff options
Diffstat (limited to 'drivers/block')
-rw-r--r-- | drivers/block/amiflop.c | 17 | ||||
-rw-r--r-- | drivers/block/ataflop.c | 18 | ||||
-rw-r--r-- | drivers/block/brd.c | 5 | ||||
-rw-r--r-- | drivers/block/cciss.c | 8 | ||||
-rw-r--r-- | drivers/block/cpqarray.c | 18 | ||||
-rw-r--r-- | drivers/block/floppy.c | 17 | ||||
-rw-r--r-- | drivers/block/nbd.c | 5 | ||||
-rw-r--r-- | drivers/block/paride/pcd.c | 11 | ||||
-rw-r--r-- | drivers/block/paride/pd.c | 5 | ||||
-rw-r--r-- | drivers/block/paride/pf.c | 6 | ||||
-rw-r--r-- | drivers/block/pktcdvd.c | 13 | ||||
-rw-r--r-- | drivers/block/swim.c | 5 | ||||
-rw-r--r-- | drivers/block/swim3.c | 17 | ||||
-rw-r--r-- | drivers/block/ub.c | 10 | ||||
-rw-r--r-- | drivers/block/virtio_blk.c | 17 | ||||
-rw-r--r-- | drivers/block/xd.c | 17 | ||||
-rw-r--r-- | drivers/block/xen-blkfront.c | 2 |
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, }; |