From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Jens Axboe <axboe@suse.de>
Cc: Tejun Heo <tj@home-tj.org>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH 2.6.11-rc2 11/29] ide: add ide_drive_t.sleeping
Date: Thu, 3 Feb 2005 14:30:40 +0100 [thread overview]
Message-ID: <58cb370e05020305304e5d504@mail.gmail.com> (raw)
In-Reply-To: <20050203113710.GV5710@suse.de>
On Thu, 3 Feb 2005 12:37:10 +0100, Jens Axboe <axboe@suse.de> wrote:
> On Thu, Feb 03 2005, Bartlomiej Zolnierkiewicz wrote:
> > On Wed, 2 Feb 2005 11:54:48 +0900, Tejun Heo <tj@home-tj.org> wrote:
> > > > 11_ide_drive_sleeping_fix.patch
> > > >
> > > > ide_drive_t.sleeping field added. 0 in sleep field used to
> > > > indicate inactive sleeping but because 0 is a valid jiffy
> > > > value, though slim, there's a chance that something can go
> > > > weird. And while at it, explicit jiffy comparisons are
> > > > converted to use time_{after|before} macros.
> >
> > Same question as for "add ide_hwgroup_t.polling" patch.
> > AFAICS drive->sleep is either '0' or 'timeout + jiffies' (always > 0)
>
> Hmm, what if jiffies + timeout == 0?
Hm, jiffies is unsigned and timeout is always > 0
but this is still possible if jiffies + timeout wraps, right?
next prev parent reply other threads:[~2005-02-03 13:30 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-02 2:40 [PATCH 2.6.11-rc2 0/29] ide: driver updates Tejun Heo
2005-02-02 2:43 ` [PATCH 2.6.11-rc2 01/29] ide: remove adma100 Tejun Heo
2005-02-02 23:43 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:44 ` [PATCH 2.6.11-rc2 02/29] ide: cleanup it8172 Tejun Heo
2005-02-03 0:00 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:45 ` [PATCH 2.6.11-rc2 03/29] ide: cleanup opti621 Tejun Heo
2005-02-03 0:05 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:46 ` [PATCH 2.6.11-rc2 04/29] ide: cleanup piix Tejun Heo
2005-02-03 0:20 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:47 ` [PATCH 2.6.11-rc2 05/29] ide: merge pci driver .h's into .c's Tejun Heo
2005-02-04 2:00 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:48 ` [PATCH 2.6.11-rc2 06/29] ide: IDE_CONTROL_REG cleanup Tejun Heo
2005-02-03 0:23 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:49 ` [PATCH 2.6.11-rc2 07/29] ide: ide_reg_valid_t endian fix Tejun Heo
2005-02-02 2:50 ` [PATCH 2.6.11-rc2 8/29] ide: driver updates Tejun Heo
2005-02-02 3:14 ` [PATCH 2.6.11-rc2 08/29] ide: do_identify() string termination fix Tejun Heo
2005-02-02 2:51 ` [PATCH 2.6.11-rc2 09/29] ide: __ide_do_rw_disk() lba48 dma check fix Tejun Heo
2005-02-03 0:33 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:52 ` [PATCH 2.6.11-rc2 10/29] ide: __ide_do_rw_disk() return value fix Tejun Heo
2005-02-03 0:36 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:54 ` [PATCH 2.6.11-rc2 11/29] ide: add ide_drive_t.sleeping Tejun Heo
2005-02-03 0:47 ` Bartlomiej Zolnierkiewicz
2005-02-03 11:37 ` Jens Axboe
2005-02-03 13:30 ` Bartlomiej Zolnierkiewicz [this message]
2005-02-03 13:32 ` Jens Axboe
2005-02-03 13:35 ` Bartlomiej Zolnierkiewicz
2005-02-03 22:20 ` Tejun Heo
2005-02-04 8:39 ` Jens Axboe
2005-02-03 14:13 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:55 ` [PATCH 2.6.11-rc2 12/29] ide: add ide_hwgroup_t.polling Tejun Heo
2005-02-03 0:42 ` Bartlomiej Zolnierkiewicz
2005-02-03 14:20 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:56 ` [PATCH 2.6.11-rc2 13/29] ide: use time_after() macro Tejun Heo
2005-02-03 1:07 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:57 ` [PATCH 2.6.11-rc2 14/29] ide: remove NULL checking in ide_error() Tejun Heo
2005-02-03 1:14 ` Bartlomiej Zolnierkiewicz
2005-02-02 2:58 ` [PATCH 2.6.11-rc2 15/29] ide: flagged_taskfile() data byte order fix Tejun Heo
2005-02-02 3:00 ` [PATCH 2.6.11-rc2 16/29] ide: flagged_taskfile select register dev bit masking Tejun Heo
2005-02-02 3:01 ` [PATCH 2.6.11-rc2 17/29] ide: flagged_taskfile() tf_out_flags.b.select check Tejun Heo
2005-02-02 3:02 ` [PATCH 2.6.11-rc2 18/29] ide: comment fixes Tejun Heo
2005-02-03 1:17 ` Bartlomiej Zolnierkiewicz
2005-02-02 3:03 ` [PATCH 2.6.11-rc2 19/29] ide: ide_diag_taskfile() rq initialization fix Tejun Heo
2005-02-02 3:05 ` [PATCH 2.6.11-rc2 20/29] ide: task_end_request() fix Tejun Heo
2005-02-02 3:06 ` [PATCH 2.6.11-rc2 21/29] ide: Merge do_rw_taskfile() and flagged_taskfile() Tejun Heo
2005-02-03 18:39 ` Bartlomiej Zolnierkiewicz
2005-02-04 0:30 ` Tejun Heo
2005-02-02 3:07 ` [PATCH 2.6.11-rc2 22/29] ide: convert REQ_DRIVE_TASK to REQ_DRIVE_TASKFILE Tejun Heo
2005-02-03 17:30 ` Bartlomiej Zolnierkiewicz
2005-02-04 0:54 ` Tejun Heo
2005-02-04 1:50 ` Bartlomiej Zolnierkiewicz
2005-02-02 3:08 ` [PATCH 2.6.11-rc2 23/29] ide: map ide_task_ioctl() to ide_taskfile_ioctl() Tejun Heo
2005-02-03 17:37 ` Bartlomiej Zolnierkiewicz
2005-02-03 17:38 ` Bartlomiej Zolnierkiewicz
2005-02-02 3:08 ` [PATCH 2.6.11-rc2 24/29] ide: remove REQ_DRIVE_TASK handling Tejun Heo
2005-02-02 3:10 ` [PATCH 2.6.11-rc2 26/29] ide: map ide_cmd_ioctl() to ide_taskfile_ioctl() Tejun Heo
2005-02-03 17:54 ` Bartlomiej Zolnierkiewicz
2005-02-04 2:11 ` Tejun Heo
2005-02-04 2:22 ` Bartlomiej Zolnierkiewicz
2005-02-02 3:11 ` [PATCH 2.6.11-rc2 27/29] ide: remove REQ_DRIVE_CMD handling Tejun Heo
2005-02-02 3:11 ` [PATCH 2.6.11-rc2 28/29] ide: ide_init_drive_cmd() now defaults to REQ_DRIVE_TASKFILE Tejun Heo
2005-02-02 3:12 ` [PATCH 2.6.11-rc2 29/29] ide: make data_phase explicit in NO_DATA cases Tejun Heo
2005-02-03 17:43 ` Bartlomiej Zolnierkiewicz
2005-02-04 0:59 ` Tejun Heo
2005-02-04 1:37 ` Bartlomiej Zolnierkiewicz
2005-02-02 3:15 ` [PATCH 2.6.11-rc2 25/29] ide: convert REQ_DRIVE_CMD to REQ_DRIVE_TASKFILE Tejun Heo
2005-02-03 17:46 ` Bartlomiej Zolnierkiewicz
2005-02-04 1:06 ` Tejun Heo
2005-02-04 1:40 ` Bartlomiej Zolnierkiewicz
2005-02-02 8:31 ` [PATCH 2.6.11-rc2 0/29] ide: driver updates Jeff Garzik
2005-02-03 10:03 ` Alan Cox
2005-02-03 1:03 ` Bartlomiej Zolnierkiewicz
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