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commit 3bf9495270d7cd00da942e183dc5f7c7eb68ff69
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Author: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
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Date: Thu Jan 11 12:39:49 2018 +0100
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policy.c: Avoid to take spare without defined domain by imsm
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Only Imsm get_disk_controller_domain returns disk controller domain for
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each disk. It causes that mdadm automatically creates disk controller
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domain policy for imsm metadata, and imsm containers in the same disk
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controller domain can take spare for recovery.
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Ignore spares if only one imsm domain is matched.
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Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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diff --git a/policy.c b/policy.c
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index b17585a..c0d18a7 100644
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--- a/policy.c
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+++ b/policy.c
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@@ -661,6 +661,7 @@ int domain_test(struct domainlist *dom, struct dev_policy *pol,
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* 1: has domains, all match
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*/
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int found_any = -1;
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+ int has_one_domain = 1;
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struct dev_policy *p;
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pol = pol_find(pol, pol_domain);
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@@ -670,6 +671,9 @@ int domain_test(struct domainlist *dom, struct dev_policy *pol,
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dom = dom->next;
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if (!dom || strcmp(dom->dom, p->value) != 0)
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return 0;
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+ if (has_one_domain && metadata && strcmp(metadata, "imsm") == 0)
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+ found_any = -1;
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+ has_one_domain = 0;
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}
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return found_any;
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}
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