Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added'

[libsas PATCH v12 00/11] libsas eh, discovery, suspend, and fixes · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Dan Williams <hidden> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Williams, Dan J <hidden> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Stefan Richter <stefanr@s5r6.in-berlin.de> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Williams, Dan J <hidden> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Stefan Richter <stefanr@s5r6.in-berlin.de> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Dan Williams <hidden> · 2012-03-23
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2012-03-23
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Williams, Dan J <hidden> · 2012-03-23
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · James Bottomley <James.Bottomley@HansenPartnership.com> · 2012-03-22
Re: [libsas PATCH v12 04/11] sysfs: handle 'parent deleted before child added' · Williams, Dan J <hidden> · 2012-03-22
[libsas PATCH v12 07/11] libsas: fix false positive 'device attached' conditions · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 09/11] libsas, libata: fix start of life for a sas ata_port · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 10/11] scsi, sd: limit the scope of the async probe domain · Dan Williams <hidden> · 2012-03-22
Re: [libsas PATCH v12 10/11] scsi, sd: limit the scope of the async probe domain · Alan Stern <stern@rowland.harvard.edu> · 2012-03-22
Re: [libsas PATCH v12 10/11] scsi, sd: limit the scope of the async probe domain · Williams, Dan J <hidden> · 2012-03-22
[libsas PATCH v12 01/11] libsas: cleanup spurious calls to scsi_schedule_eh · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 02/11] libsas: trim sas_task of slow path infrastructure · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 03/11] libata: reset once · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 05/11] scsi_transport_sas: fix delete vs scan race · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 06/11] libsas: unify domain_device sas_rphy lifetimes · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 08/11] libsas: fix ata_eh clobbering ex_phys via smp_ata_check_ready · Dan Williams <hidden> · 2012-03-22
[libsas PATCH v12 11/11] libsas: suspend / resume support · Dan Williams <hidden> · 2012-03-22

From: Williams, Dan J <hidden>
Date: 2012-03-22 23:11:19
Also in: linux-scsi

On Thu, Mar 22, 2012 at 3:51 PM, Stefan Richter
[off-list ref] wrote:

Isn't this something which is to be accomplished by counting references to
the parent device?

As I mentioned to James [1] the reference count keeps the parent from
being kfree()'d but not device_del()'d where kobj->sd gets sets to
NULL.

--
Dan

[1]: http://marc.info/?l=linux-scsi&m=133243414518064&w=2

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