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Koen Kooi
56e60917b2
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com> Signed-off-by: Denys Dmytriyenko <denis@denix.org>
50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From 07925ac535d9c4f774b0ba817fece3557670013f Mon Sep 17 00:00:00 2001
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From: Dan Williams <dan.j.williams@intel.com>
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Date: Thu, 21 Jun 2012 23:36:15 -0700
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Subject: [PATCH 57/73] libsas: continue revalidation
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commit 26f2f199ff150d8876b2641c41e60d1c92d2fb81 upstream.
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Continue running revalidation until no more broadcast devices are
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discovered. Fixes cases where re-discovery completes too early in a
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domain with multiple expanders with pending re-discovery events.
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Servicing BCNs can get backed up behind error recovery.
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Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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---
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drivers/scsi/libsas/sas_expander.c | 8 ++++----
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1 files changed, 4 insertions(+), 4 deletions(-)
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diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
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index e48ba4b..6330110 100644
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--- a/drivers/scsi/libsas/sas_expander.c
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+++ b/drivers/scsi/libsas/sas_expander.c
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@@ -1983,9 +1983,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
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struct domain_device *dev = NULL;
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res = sas_find_bcast_dev(port_dev, &dev);
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- if (res)
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- goto out;
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- if (dev) {
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+ while (res == 0 && dev) {
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struct expander_device *ex = &dev->ex_dev;
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int i = 0, phy_id;
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@@ -1997,8 +1995,10 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
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res = sas_rediscover(dev, phy_id);
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i = phy_id + 1;
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} while (i < ex->num_phys);
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+
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+ dev = NULL;
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+ res = sas_find_bcast_dev(port_dev, &dev);
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}
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-out:
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return res;
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}
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--
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1.7.7.6
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