From: Arjan van de Ven <arjan@infradead.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Matthew Wilcox <matthew@wil.cx>,
linux-scsi@vger.kernel.org,
Brian King <brking@linux.vnet.ibm.com>
Subject: Re: [PATCH] Convert scsi_scan to use generic async mechanism
Date: Sat, 23 May 2009 09:51:08 -0700 [thread overview]
Message-ID: <20090523095108.6ccccd08@infradead.org> (raw)
In-Reply-To: <1243095703.3630.24.camel@localhost.localdomain>
On Sat, 23 May 2009 11:21:43 -0500
> The reason scsi_add_device() is failing seems to be that
> async_synchronize_full_domain() is a bit fragile in that it only
> expects to be called once. Call it again, like we do, to make sure
> there aren't any outstanding scans and it hangs on the wait event.
it's supposed to be ok to call as many times as you want.
What is NOT allowed is calling it from async work itself, due to the
obvious deadlock.
next prev parent reply other threads:[~2009-05-23 16:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 19:35 [PATCH] Convert scsi_scan to use generic async mechanism Matthew Wilcox
2009-04-29 14:39 ` Matthew Wilcox
2009-05-23 16:21 ` James Bottomley
2009-05-23 16:51 ` Arjan van de Ven [this message]
2009-05-23 17:07 ` James Bottomley
2009-05-23 20:42 ` James Bottomley
2009-05-23 20:39 ` James Bottomley
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