block: remove check_disk_change (b92b5307) · Commits · 戴 / test

fs/block_dev.c

+0 −20

Original line number	Diff line number	Diff line
		@@ -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);

+0 −1

Original line number	Diff line number	Diff line
		@@ -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);