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Merge branch 'virtio' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

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* 'virtio' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  virtio_blk: remove BKL leftovers
  virtio: console: Disable lseek(2) for port file operations
  virtio: console: Send SIGIO in case of port unplug
  virtio: console: Send SIGIO on new data arrival on ports
  virtio: console: Send SIGIO to processes that request it for host events
  virtio: console: Reference counting portdev structs is not needed
  virtio: console: Add reference counting for port struct
  virtio: console: Use cdev_alloc() instead of cdev_init()
  virtio: console: Add a find_port_by_devt() function
  virtio: console: Add a list of portdevs that are active
  virtio: console: open: Use a common path for error handling
  virtio: console: remove_port() should return void
  virtio: console: Make write() return -ENODEV on hot-unplug
  virtio: console: Make read() return -ENODEV on hot-unplug
  virtio: console: Unblock poll on port hot-unplug
  virtio: console: Un-block reads on chardev close
  virtio: console: Check if portdev is valid in send_control_msg()
  virtio: console: Remove control vq data only if using multiport support
  virtio: console: Reset vdev before removing device
This commit is contained in:
Linus Torvalds 2010-10-21 12:40:33 -07:00
commit 94ebd235c4
2 changed files with 209 additions and 48 deletions
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17
drivers/block/virtio_blk.c
View file

@ -2,7 +2,6 @@
#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>
@ -222,8 +221,8 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
return err;
}
static int virtblk_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long data)
static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long data)
{
struct gendisk *disk = bdev->bd_disk;
struct virtio_blk *vblk = disk->private_data;
@ -238,18 +237,6 @@ static int virtblk_locked_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)
{