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authorBart Van Assche <bvanassche@acm.org>2019-04-02 21:58:06 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2019-04-13 02:20:05 +0200
commitfae43461f8f227a83f8edc3b15325188b56aa023 (patch)
treee2162b9477b0bf0757a4df8a0783383845de9cc7 /include/target
parentscsi: target/core: Fix a race condition in the LUN lookup code (diff)
downloadlinux-fae43461f8f227a83f8edc3b15325188b56aa023.tar.xz
linux-fae43461f8f227a83f8edc3b15325188b56aa023.zip
scsi: target/core: Rework the SPC-2 reservation handling code
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 <mchristi@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_base.h4
-rw-r--r--include/target/target_core_fabric.h1
2 files changed, 3 insertions, 2 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 19a5bf4214fc..7c9716fe731e 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -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 */
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 8ed90407f062..063f133e47c2 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -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 *);