From mboxrd@z Thu Jan 1 00:00:00 1970 From: maximilian attems Date: Sat, 14 Aug 2004 18:40:07 +0000 Subject: Re: [Kernel-janitors] [PATCH] cdu31a: replace schedule_timeout() with Message-Id: <20040814184007.GF1756@stro.at> MIME-Version: 1 Content-Type: multipart/mixed; boundary="===============8997562749849124==" List-Id: References: <20040720204807.GA2959@us.ibm.com> In-Reply-To: <20040720204807.GA2959@us.ibm.com> To: kernel-janitors@vger.kernel.org --===============8997562749849124== Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, 20 Jul 2004, Nishanth Aravamudan wrote: > I would appreciate any comments from the janitors list. This is one (of > many) cases where I made a decision about replacing > > set_current_state(TASK_INTERRUPTIBLE); > schedule_timeout(some_time); > > with > > msleep(jiffies_to_msecs(some_time)); > > msleep() is not exactly the same as the previous code, but I only did > this replacement where I thought long delays were *desired*. If this is > not the case here, then just disregard this patch. > > Thanks, > Nish > > > > Applys-to: 2.6.7 > > Description: Uses msleep() instead of schedule_timeout() to guarantee > the task delays at least the desired time amount. > > Signed-off-by: Nishanth Aravamudan > > > --- linux-vanilla/drivers/cdrom/mcd.c 2004-06-16 05:19:37.000000000 +0000 > +++ linux-dev/drivers/cdrom/mcd.c 2004-07-10 18:24:17.000000000 +0000 > @@ -1021,10 +1021,9 @@ static int mcd_open(struct cdrom_device_ > st = statusCmd(); /* check drive status */ > if (st == -1) > goto err_out; /* drive doesn't respond */ > - if ((st & MST_READY) == 0) { /* no disk? wait a sec... */ > - current->state = TASK_INTERRUPTIBLE; > - schedule_timeout(HZ); > - } > + if ((st & MST_READY) == 0) /* no disk? wait a sec... */ > + msleep(1000); > + when removing brackets, please also remove trailing whitespace. > } while (((st & MST_READY) == 0) && count++ < MCD_RETRY_ATTEMPTS); > > if (updateToc() < 0) corrected for next kjt. thanks maks --===============8997562749849124== Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline _______________________________________________ Kernel-janitors mailing list Kernel-janitors@lists.osdl.org http://lists.osdl.org/mailman/listinfo/kernel-janitors --===============8997562749849124==--