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scsi: target/core: Rework the SPC-2 reservation handling code

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Instead of tracking the initiator that established an SPC-2 reservation,
track the session through which the SPC-2 reservation has been
established. This patch does not change any functionality.

Cc: Mike Christie <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Hannes Reinecke <[email protected]>
Cc: Nicholas Bellinger <[email protected]>
Signed-off-by: Bart Van Assche <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
Bart Van Assche 2019-04-02 12:58:06 -07:00 • committed by Martin K. Petersen
commit fae43461f8
6 changed files with 27 additions and 19 deletions
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4
include/target/target_core_base.h
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@ -795,8 +795,8 @@ struct se_device {
spinlock_t se_tmr_lock;
spinlock_t qf_cmd_lock;
struct semaphore caw_sem;
/* Used for legacy SPC-2 reservationsa */
struct se_node_acl *dev_reserved_node_acl;
/* Used for legacy SPC-2 reservations */
struct se_session *reservation_holder;
/* Used for ALUA Logical Unit Group membership */
struct t10_alua_lu_gp_member *dev_alua_lu_gp_mem;
/* Used for SPC-3 Persistent Reservations */

1
include/target/target_core_fabric.h
View file

@ -142,6 +142,7 @@ void transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
ssize_t target_show_dynamic_sessions(struct se_portal_group *, char *);
void transport_free_session(struct se_session *);
void target_spc2_release(struct se_node_acl *nacl);
void target_put_nacl(struct se_node_acl *);
void transport_deregister_session_configfs(struct se_session *);
void transport_deregister_session(struct se_session *);