Re: can block drivers get non-fs requests?
From: Pierre Ossman
Date: Thu Aug 14 2008 - 08:39:54 EST
On Thu, 14 Aug 2008 13:42:09 +0200
Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:
>
> You should check in the driver whether the request type is supported. So
> if you can only handle fs requests, you should do a check for
> !blk_fs_request() after elv_next_request() and call
> end_(de)queued_request() appropriately.
>
So killing off the request with -EOPNOTSUPP is preferred over having a
prepare function and stopping it there?
Rgds
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
rdesktop, core developer http://www.rdesktop.org
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