From: Tejun Heo <tj@kernel.org>
Date: Thu, 21 Apr 2011 19:32:55 +0000 (+0200)
Subject: block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers
X-Git-Tag: v2.6.39~4^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fd097b14918875bd6f125ed699d7bbbba5893ee;p=pandora-kernel.git

block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers

In-kernel disk event polling doesn't matter for legacy/fringe drivers
and may lead to infinite event loop if ->check_events() implementation
generates events on level condition instead of edge.

Now that block layer supports suppressing exporting unlisted events,
simply leaving disk->events cleared allows these drivers to keep the
internal revalidation behavior intact while avoiding weird
interactions with userland event handler.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

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