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target: Add global device list for EXTENDED_COPY

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EXTENDED_COPY needs to be able to search a global list of devices
based on NAA WWN device identifiers, so add a simple g_device_list
protected by g_device_mutex.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Chris Mason <chris.mason@fusionio.com>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Zach Brown <zab@redhat.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@daterainc.com>
This commit is contained in:
Nicholas Bellinger
2013-08-22 11:33:37 -07:00
committed by Nicholas Bellinger
parent c5ff8d6bc3
commit d9ea32bff2
2 changed files with 14 additions and 0 deletions
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include/target/target_core_base.h
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@@ -686,6 +686,7 @@ struct se_device {
struct list_head delayed_cmd_list;
struct list_head state_list;
struct list_head qf_cmd_list;
struct list_head g_dev_node;
/* Pointer to associated SE HBA */
struct se_hba *se_hba;
/* T10 Inquiry and VPD WWN Information */