From b92b53079aedbfb56bbb9ea360e5119fb563a2a1 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 8 Sep 2020 16:53:47 +0200 Subject: [PATCH] block: remove check_disk_change Remove the now unused check_disk_change helper. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- fs/block_dev.c | 20 -------------------- include/linux/genhd.h | 1 - 2 files changed, 21 deletions(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index c6ac0bd22eca..0b34955b9e36 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1368,26 +1368,6 @@ void revalidate_disk_size(struct gendisk *disk, bool verbose) } EXPORT_SYMBOL(revalidate_disk_size); -/* - * This routine checks whether a removable media has been changed, - * and invalidates all buffer-cache-entries in that case. This - * is a relatively slow routine, so we have to try to minimize using - * it. Thus it is called only upon a 'mount' or 'open'. This - * is the best way of combining speed and utility, I think. - * People changing diskettes in the middle of an operation deserve - * to lose :-) - */ -int check_disk_change(struct block_device *bdev) -{ - if (!bdev_check_media_change(bdev)) - return 0; - if (bdev->bd_disk->fops->revalidate_disk) - bdev->bd_disk->fops->revalidate_disk(bdev->bd_disk); - return 1; -} - -EXPORT_SYMBOL(check_disk_change); - void bd_set_nr_sectors(struct block_device *bdev, sector_t sectors) { spin_lock(&bdev->bd_size_lock); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 322d48a20772..1c97cf84f011 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -370,7 +370,6 @@ int register_blkdev(unsigned int major, const char *name); void unregister_blkdev(unsigned int major, const char *name); void revalidate_disk_size(struct gendisk *disk, bool verbose); -int check_disk_change(struct block_device *bdev); bool bdev_check_media_change(struct block_device *bdev); int __invalidate_device(struct block_device *bdev, bool kill_dirty); void bd_set_nr_sectors(struct block_device *bdev, sector_t sectors); -- 2.20.1