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Open Source and information security mailing list archives
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Message-Id: <1179157502.3703.37.camel@mulgrave.il.steeleye.com> Date: Mon, 14 May 2007 10:45:02 -0500 From: James Bottomley <James.Bottomley@...elEye.com> To: Tejun Heo <htejun@...il.com> Cc: Jeff Garzik <jeff@...zik.org>, linux-kernel <linux-kernel@...r.kernel.org>, IDE/ATA development list <linux-ide@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] libata: fix shutdown warning message printing On Mon, 2007-05-14 at 17:26 +0200, Tejun Heo wrote: > Unlocking ap->lock and ssleeping don't work because SCSI commands can > be issued from completion path without context. Reimplement delayed > completion by allowing translation functions to override > qc->scsidone(), storing the original completion function to > scmd->scsi_done() and overriding qc->scsidone() with a function which > schedules delayed invocation of scmd->scsi_done(). > > This isn't pretty at all but all the ugly parts are thankfully > contained in the stop translation path where the compat feature is > implemented. > > Signed-off-by: Tejun Heo <htejun@...il.com> Heh, very clever, but a bit of a hack (however, no better way I can see to do it given the layering constraints). Acked-by: James Bottomley <James.Bottomley@...elEye.com> James - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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