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[PATCH] kill the rest of struct file propagation in block ioctls

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Now we can switch blkdev_ioctl() block_device/mode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2008-09-19 03:17:36 -04:00 committed by Al Viro
parent 6af3a56e1d
commit 56b26add02
5 changed files with 14 additions and 17 deletions
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10
block/compat_ioctl.c
View file

@ -177,7 +177,7 @@ struct compat_blkpg_ioctl_arg {
compat_caddr_t data;
};
static int compat_blkpg_ioctl(struct inode *inode, struct file *file,
static int compat_blkpg_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, struct compat_blkpg_ioctl_arg __user *ua32)
{
struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
@ -196,7 +196,7 @@ static int compat_blkpg_ioctl(struct inode *inode, struct file *file,
if (err)
return err;
return blkdev_ioctl(inode, file, cmd, (unsigned long)a);
return blkdev_ioctl(bdev, mode, cmd, (unsigned long)a);
}
#define BLKBSZGET_32 _IOR(0x12, 112, int)
@ -715,13 +715,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
* but we call blkdev_ioctl, which gets the lock for us
*/
case BLKRRPART:
return blkdev_ioctl(inode, file, cmd,
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
case BLKBSZSET_32:
return blkdev_ioctl(inode, file, BLKBSZSET,
return blkdev_ioctl(bdev, mode, BLKBSZSET,
(unsigned long)compat_ptr(arg));
case BLKPG:
return compat_blkpg_ioctl(inode, file, cmd, compat_ptr(arg));
return compat_blkpg_ioctl(bdev, mode, cmd, compat_ptr(arg));
case BLKRAGET:
case BLKFRAGET:
if (!arg)

9
block/ioctl.c
View file

@ -230,20 +230,13 @@ EXPORT_SYMBOL_GPL(__blkdev_driver_ioctl);
* always keep this in sync with compat_blkdev_ioctl() and
* compat_blkdev_locked_ioctl()
*/
int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
struct gendisk *disk = bdev->bd_disk;
struct backing_dev_info *bdi;
loff_t size;
int ret, n;
fmode_t mode = 0;
if (file) {
mode = file->f_mode;
if (file->f_flags & O_NDELAY)
mode |= FMODE_NDELAY_NOW;
}
switch(cmd) {
case BLKFLSBUF:

2
drivers/char/raw.c
View file

@ -125,7 +125,7 @@ raw_ioctl(struct inode *inode, struct file *filp,
{
struct block_device *bdev = filp->private_data;
return blkdev_ioctl(bdev->bd_inode, NULL, command, arg);
return blkdev_ioctl(bdev, 0, command, arg);
}
static void bind_device(struct raw_config_request *rq)

8
fs/block_dev.c
View file

@ -1202,7 +1202,11 @@ static int blkdev_close(struct inode * inode, struct file * filp)
static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{
return blkdev_ioctl(file->f_mapping->host, file, cmd, arg);
struct block_device *bdev = I_BDEV(file->f_mapping->host);
fmode_t mode = file->f_mode;
if (file->f_flags & O_NDELAY)
mode |= FMODE_NDELAY_NOW;
return blkdev_ioctl(bdev, mode, cmd, arg);
}
static const struct address_space_operations def_blk_aops = {
@ -1238,7 +1242,7 @@ int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
int res;
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
res = blkdev_ioctl(bdev->bd_inode, NULL, cmd, arg);
res = blkdev_ioctl(bdev, 0, cmd, arg);
set_fs(old_fs);
return res;
}

2
include/linux/fs.h
View file

@ -1717,7 +1717,7 @@ extern const struct file_operations bad_sock_fops;
extern const struct file_operations def_fifo_fops;
#ifdef CONFIG_BLOCK
extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
extern int blkdev_get(struct block_device *, fmode_t);
extern int blkdev_put(struct block_device *, fmode_t);