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Commit bef95455 authored by Josh Durgin's avatar Josh Durgin Committed by Ilya Dryomov
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rbd: fix snapshot context reference count for discards 



Discards take a reference to the snapshot context of an image when
they are created.  This reference needs to be cleaned up when the
request is done just as it is for regular writes.

Signed-off-by: default avatarJosh Durgin <josh.durgin@inktank.com>
parent 3c5df893

drivers/block/rbd.c

+2 −1
Original line number Diff line number Diff line
@@ -2170,7 +2170,8 @@ static void rbd_img_request_destroy(struct kref *kref) 
		rbd_dev_parent_put(img_request->rbd_dev);

	}



	if (img_request_write_test(img_request))

	if (img_request_write_test(img_request) ||

		img_request_discard_test(img_request))

		ceph_put_snap_context(img_request->snapc);



	kmem_cache_free(rbd_img_request_cache, img_request);