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target/user: PGR Support

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This adds initial PGR support for just TCMU, since tcmu doesn't
have the necessary IT_NEXUS info to process PGR in userspace,
so have those commands be processed in kernel.

HA support is not available yet, we will work on it if this patch
is acceptable.

Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bryant G. Ly
2017-04-21 20:40:50 -05:00
committed by Nicholas Bellinger
parent c2d26f18dc
commit 4ec5bf0ea8
5 changed files with 47 additions and 7 deletions
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drivers/target/target_core_pr.c
+1 -1
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@@ -4147,7 +4147,7 @@ target_check_reservation(struct se_cmd *cmd)
return 0;
if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)
return 0;
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_PGR)
return 0;
spin_lock(&dev->dev_reservation_lock);