block: fix bdev_disk_changed for non-partitioned devices

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We still have to set the capacity to 0 if invalidating or call
revalidate_disk if not even if the disk has no partitions.  Fix
that by merging rescan_partitions into bdev_disk_changed and just
stubbing out blk_add_partitions and blk_drop_partitions for
non-partitioned devices.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2019-11-14 15:34:35 +01:00 • committed by Jens Axboe

parent a1548b6744

commit 142fe8f4bb

4 changed files with 15 additions and 22 deletions

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include/linux/genhd.h

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