From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH v2 10/26] block: Add submit_bio_wait(), remove from md Date: Thu, 20 Sep 2012 16:56:43 -0700 Message-ID: <20120920235643.GQ7264@google.com> References: <1347322957-25260-1-git-send-email-koverstreet@google.com> <1347322957-25260-11-git-send-email-koverstreet@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1347322957-25260-11-git-send-email-koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> Sender: linux-bcache-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Kent Overstreet Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, neilb-l3A5Bk7waGM@public.gmane.org List-Id: linux-bcache@vger.kernel.org On Mon, Sep 10, 2012 at 05:22:21PM -0700, Kent Overstreet wrote: > Random cleanup - this code was duplicated and it's not really specific > to md. > > Also added the ability to return the actual error code. > > Signed-off-by: Kent Overstreet > CC: Jens Axboe > CC: NeilBrown Acked-by: Tejun Heo > --- a/include/linux/bio.h > +++ b/include/linux/bio.h > @@ -249,6 +249,7 @@ extern void bio_endio(struct bio *, int); > struct request_queue; > extern int bio_phys_segments(struct request_queue *, struct bio *); > > +extern int submit_bio_wait(int rw, struct bio *bio); > void bio_advance(struct bio *, unsigned); Heh, this is one of the reasons why I don't like extern on function prototypes. It's not necessary and people end up jumping between the two forms. :( Thanks. -- tejun