regression on BLKRRPART ioctl for EIO

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Hi,

I am noticing a regression on the BLKRRPART ioctl after we changed the
blkdev_reread_part() logic to reopen the device with commit
68e6582e8f2dc32fd2458b9926564faa1fb4560e["reopen the device in
blkdev_reread_part"]

We now ignore the errors that used to be returned for
bdev_disk_changed(). I see that this was explicitly fixed for -EBUSY
(commit 68e6582e8f2dc32fd2458b9926564faa1fb4560e: block: return -EBUSY
when there are open partitions in blkdev_reread_part)

The regression I am particularly interested in is when we get an -EIO
error from the disk and BLKRRPART incorrectly reports success when it
actually failed to reread partitions.

Looking for advice.

Thanks,
Saranya




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