forked from luck/tmp_suning_uos_patched
[S390] tape_block: remove ioctl function
This is just a complicated construct which always returns -EINVAL. Just remove it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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957a37ad58
@ -46,8 +46,6 @@
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*/
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static int tapeblock_open(struct block_device *, fmode_t);
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static int tapeblock_release(struct gendisk *, fmode_t);
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static int tapeblock_ioctl(struct block_device *, fmode_t, unsigned int,
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unsigned long);
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static int tapeblock_medium_changed(struct gendisk *);
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static int tapeblock_revalidate_disk(struct gendisk *);
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@ -55,7 +53,6 @@ static const struct block_device_operations tapeblock_fops = {
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.owner = THIS_MODULE,
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.open = tapeblock_open,
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.release = tapeblock_release,
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.ioctl = tapeblock_ioctl,
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.media_changed = tapeblock_medium_changed,
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.revalidate_disk = tapeblock_revalidate_disk,
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};
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@ -415,42 +412,6 @@ tapeblock_release(struct gendisk *disk, fmode_t mode)
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return 0;
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}
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/*
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* Support of some generic block device IOCTLs.
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*/
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static int
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tapeblock_ioctl(
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struct block_device * bdev,
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fmode_t mode,
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unsigned int command,
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unsigned long arg
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) {
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int rc;
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int minor;
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struct gendisk *disk = bdev->bd_disk;
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struct tape_device *device;
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rc = 0;
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BUG_ON(!disk);
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device = disk->private_data;
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BUG_ON(!device);
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minor = MINOR(bdev->bd_dev);
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DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
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DBF_LH(6, "device = %d:%d\n", tapeblock_major, minor);
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switch (command) {
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/* Refuse some IOCTL calls without complaining (mount). */
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case 0x5310: /* CDROMMULTISESSION */
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rc = -EINVAL;
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break;
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default:
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rc = -EINVAL;
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}
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return rc;
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}
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/*
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* Initialize block device frontend.
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*/
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