tree 6918dd9fdd14216f1a4a43dd1744ca8787c9e015
parent f7bf35862477d6d4f8a9746c645a4380de984700
author Christoph Hellwig <hch@lst.de> 1634216551 +0200
committer Jens Axboe <axboe@kernel.dk> 1634475585 -0600

block: warn when putting the final reference on a registered disk

Warn when the last reference on a live disk is put without calling
del_gendisk first.  There are some BDI related bug reports that look
like a case of this, so make sure we have the proper instrumentation
to catch it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211014130231.1468538-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>