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From 5e8bad9479e999bf9dd704ec29f83427b260c587 Mon Sep 17 00:00:00 2001
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Message-Id: <5e8bad9479e999bf9dd704ec29f83427b260c587@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Tue, 12 Mar 2019 13:55:59 -0400
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Subject: [PATCH] storage: Fetch a unique key for vHBA/NPIV LUNs
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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https://bugzilla.redhat.com/show_bug.cgi?id=1687715 (7.6.z)
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https://bugzilla.redhat.com/show_bug.cgi?id=1657468 (7.7.0)
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Commit be1bb6c95 changed the way volumes were stored from a forward
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linked list to a hash table. In doing so, it required that each vol
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object would have 3 unique values as keys into tables - key, name,
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and path. Due to how vHBA/NPIV LUNs are created/used this resulted
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in a failure to utilize all the LUN's found during processing.
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During virStorageBackendSCSINewLun processing fetch the key (or
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serial value) for NPIV LUN's using virStorageFileGetNPIVKey which
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will formulate a more unique key based on the serial value and
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the port for the LUN.
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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ACKed-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 850cfd75beb7872b20439eccda0bcf7b68cab525)
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Message-Id: <20190312175559.13583-5-jferlan@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/storage/storage_util.c | 13 ++++++++++---
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1 file changed, 10 insertions(+), 3 deletions(-)
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diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
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index d1659c0c8d..19e6e0544b 100644
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--- a/src/storage/storage_util.c
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+++ b/src/storage/storage_util.c
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@@ -3694,12 +3694,16 @@ virStorageBackendRefreshLocal(virStoragePoolObjPtr pool)
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static char *
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-virStorageBackendSCSISerial(const char *dev)
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+virStorageBackendSCSISerial(const char *dev,
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+ bool isNPIV)
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{
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int rc;
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char *serial = NULL;
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- rc = virStorageFileGetSCSIKey(dev, &serial, true);
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+ if (isNPIV)
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+ rc = virStorageFileGetNPIVKey(dev, &serial);
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+ else
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+ rc = virStorageFileGetSCSIKey(dev, &serial, true);
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if (rc == 0 && serial)
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return serial;
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@@ -3796,7 +3800,10 @@ virStorageBackendSCSINewLun(virStoragePoolObjPtr pool,
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VIR_STORAGE_VOL_READ_NOERROR)) < 0)
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goto cleanup;
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- if (!(vol->key = virStorageBackendSCSISerial(vol->target.path)))
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+ vol->key = virStorageBackendSCSISerial(vol->target.path,
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+ (def->source.adapter.type ==
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+ VIR_STORAGE_ADAPTER_TYPE_FC_HOST));
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+ if (!vol->key)
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goto cleanup;
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def->capacity += vol->target.capacity;
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--
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2.21.0
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