Messages in this thread | | | Date | Mon, 05 Nov 2012 15:57:22 +0100 | From | Bart Van Assche <> | Subject | Re: [patch,v2 05/10] sd: use alloc_disk_node |
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On 11/05/12 15:12, Jeff Moyer wrote: > Bart Van Assche <bvanassche@acm.org> writes: > >> On 11/02/12 22:45, Jeff Moyer wrote: >>> Signed-off-by: Jeff Moyer <jmoyer@redhat.com> >>> --- >>> drivers/scsi/sd.c | 2 +- >>> 1 files changed, 1 insertions(+), 1 deletions(-) >>> >>> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c >>> index 12f6fdf..8deb915 100644 >>> --- a/drivers/scsi/sd.c >>> +++ b/drivers/scsi/sd.c >>> @@ -2714,7 +2714,7 @@ static int sd_probe(struct device *dev) >>> if (!sdkp) >>> goto out; >>> >>> - gd = alloc_disk(SD_MINORS); >>> + gd = alloc_disk_node(SD_MINORS, dev_to_node(dev)); >>> if (!gd) >>> goto out_free; >> >> shost->numa_node can be another NUMA node than dev_to_node(dev). Have >> you considered using shost->numa_node here ? > > It can? How?
E.g. if the LLD allows the user to specify the value of numa_node and passes that value to scsi_host_alloc_node() (see also http://lkml.org/lkml/2012/10/23/477 for further information).
> Just so I'm clear, you're suggesting I use the scsi_device's host > pointer to get to the Scsi_Host, and that *will* be filled in that this > point, right?
As far as I can see the sdev->host pointer is set in scsi_alloc_sdev() and that happens before sd_probe() is invoked.
Bart.
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