linux-kernel - Is In IO scheduler add_request and dispatch

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Message-ID: <CAK2Ky6zzcOFDdj36_a3fc6B+iCUepV+wCDy=q4Ep6vMR4pbjcA@mail.gmail.com>
Date:	Mon, 18 Nov 2013 16:20:46 +0800
From:	韩磊 <bonben1989@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Is In IO scheduler add_request and dispatch_request asynchronous or synchronous??

Is In IO scheduler add_request and dispatch_request asynchronous or
synchronous??

In kernel,add request and dispatch request is  asynchronous or synchronous?
" __make_request"  first do add,then do dispatch,is right?

Does Add request and dispatch request have each other's thread???

Thank you!
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