From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: alan@lxorguk.ukuu.org.uk, axboe@suse.de, albertcc@tw.ibm.com,
lkosewsk@gmail.com, linux-ide@vger.kernel.org
Subject: Re: [PATCHSET 8/9] prep for hotplug support
Date: Thu, 27 Apr 2006 05:22:50 -0400 [thread overview]
Message-ID: <44508D6A.3050200@pobox.com> (raw)
In-Reply-To: <11447643813451-git-send-email-htejun@gmail.com>
Tejun Heo wrote:
> Hello, all.
>
> This is the first take of prep-for-hotplug-support patchset. As the
> name suggests, this patchset prepares libata for hotplug support.
> This patchset contains 15 patches.
>
> #01-02 update sata_sil (hotplug related constants, new interrupt handler)
> #03-04 misc libata preps
> #05-12 prepare ata_bus_probe()
> #13-15 hotplug flags, extra fields, hotplug_wq
ACK, modulo the minor comments just sent.
Also, in general libata needs a rethink when it comes to workqueues.
Sometimes a single thread is more appropriate than the workqueue default
of one-thread-per-CPU. Using workqueues in the default state is quite
efficient, but can also given you a huge number of idle threads on a
$BIGNUM CPU box. Workqueues on a 16-CPU box can be pretty insane...
Jeff
next prev parent reply other threads:[~2006-04-27 9:22 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-11 14:06 [PATCHSET 8/9] prep for hotplug support Tejun Heo
2006-04-11 14:06 ` [PATCH 07/13] libata-hp: implement ap->orig_sata_spd_limit Tejun Heo
2006-04-27 9:19 ` Jeff Garzik
2006-04-27 10:18 ` Tejun Heo
2006-04-11 14:06 ` [PATCH 05/13] libata-hp: call ata_dev_init() from ata_bus_probe() Tejun Heo
2006-04-11 14:06 ` [PATCH 06/13] libata-hp: prepare for persistent device flags Tejun Heo
2006-04-11 14:06 ` [PATCH 03/13] libata-hp: implement ata_dev_init() Tejun Heo
2006-04-11 14:06 ` [PATCH 02/13] libata-hp: add more SERR_* constants in preparation for hotplug support Tejun Heo
2006-04-11 14:06 ` [PATCH 08/13] libata-hp: move device enable/disable out of ata_bus_probe() Tejun Heo
2006-04-11 14:06 ` [PATCH 04/13] libata-hp: make some fields of ata_device persistent Tejun Heo
2006-04-11 14:06 ` [PATCH 01/13] libata-hp: separate out __ata_scsi_find_dev() Tejun Heo
2006-04-11 14:06 ` [PATCH 13/13] libata-hp: add ata_hotplug_wq Tejun Heo
2006-04-13 6:11 ` zhao, forrest
2006-04-13 6:33 ` Tejun Heo
2006-04-11 14:06 ` [PATCH 09/13] libata-hp: prepare ata_bus_probe() for hotplug Tejun Heo
2006-04-11 14:06 ` [PATCH 11/13] libata-hp: add hotplug flags and flag handling functions Tejun Heo
2006-04-11 14:06 ` [PATCH 10/13] libata-hp: make ata_bus_probe() extern Tejun Heo
2006-04-11 14:06 ` [PATCH 12/13] libata-hp: store attached SCSI device Tejun Heo
2006-04-27 9:20 ` Jeff Garzik
2006-04-12 1:41 ` [PATCHSET 8/9] prep for hotplug support Tejun Heo
2006-04-27 9:22 ` Jeff Garzik [this message]
2006-04-27 10:27 ` Tejun Heo
2006-04-27 10:36 ` Jeff Garzik
2006-04-27 10:47 ` Tejun Heo
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