Commit b896fa85 authored Apr 06, 2021 by Christoph Hellwig Committed by Jens Axboe Apr 08, 2021

dasd: use bdev_disk_changed instead of blk_drop_partitions



Use the more general interface - the behavior is the same except
that now a change uevent is sent, which is the right thing to do
when the device becomes unusable.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20210406062303.811835-2-hch@lst.de


Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 540ad3f3

block/partitions/core.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -544,10 +544,6 @@ int blk_drop_partitions(struct block_device *bdev)

		return 0;
		}
		#ifdef CONFIG_S390
		/* for historic reasons in the DASD driver */
		EXPORT_SYMBOL_GPL(blk_drop_partitions);
		#endif

		static bool blk_add_partition(struct gendisk disk, struct block_device bdev,
		struct parsed_partitions *state, int p)

drivers/s390/block/dasd_genhd.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -146,12 +146,11 @@ void dasd_destroy_partitions(struct dasd_block *block)
		block->bdev = NULL;

		mutex_lock(&bdev->bd_mutex);
		blk_drop_partitions(bdev);
		bdev_disk_changed(bdev, true);
		mutex_unlock(&bdev->bd_mutex);

		/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
		blkdev_put(bdev, FMODE_READ);
		set_capacity(block->gdp, 0);
		}

		int dasd_gendisk_init(void)