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rbd: remove the ->set_read_only method

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Now that the hardware read-only state can't be changed by the BLKROSET
ioctl, the code in this method is not required anymore.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-01-09 11:42:53 +01:00 • committed by Jens Axboe
parent 947139bf3c
commit cbf72cce63
1 changed files with 0 additions and 19 deletions
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19
drivers/block/rbd.c
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@ -692,29 +692,10 @@ static void rbd_release(struct gendisk *disk, fmode_t mode)
put_device(&rbd_dev->dev); put_device(&rbd_dev->dev);
} }
static int rbd_set_read_only(struct block_device *bdev, bool ro)
{
struct rbd_device *rbd_dev = bdev->bd_disk->private_data;
/*
* Both images mapped read-only and snapshots can't be marked
* read-write.
*/
if (!ro) {
if (rbd_is_ro(rbd_dev))
return -EROFS;
rbd_assert(!rbd_is_snap(rbd_dev));
}
return 0;
}
static const struct block_device_operations rbd_bd_ops = { static const struct block_device_operations rbd_bd_ops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.open = rbd_open, .open = rbd_open,
.release = rbd_release, .release = rbd_release,
.set_read_only = rbd_set_read_only,
}; };
/* /*