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scsi: target: Introduce transport_init_session()

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Other than initializing xcopy_pt_sess.sess_wait_list, this patch does not
change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Mike Christie <mchristi@redhat.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2018-06-22 14:52:52 -07:00 committed by Martin K. Petersen
parent 317f89712d
commit d1bff07f38
3 changed files with 19 additions and 9 deletions
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22
drivers/target/target_core_transport.c
View File

@ -224,6 +224,22 @@ void transport_subsystem_check_init(void)
sub_api_initialized = 1;
}
/**
* transport_init_session - initialize a session object
* @se_sess: Session object pointer.
*
* The caller must have zero-initialized @se_sess before calling this function.
*/
void transport_init_session(struct se_session *se_sess)
{
INIT_LIST_HEAD(&se_sess->sess_list);
INIT_LIST_HEAD(&se_sess->sess_acl_list);
INIT_LIST_HEAD(&se_sess->sess_cmd_list);
INIT_LIST_HEAD(&se_sess->sess_wait_list);
spin_lock_init(&se_sess->sess_cmd_lock);
}
EXPORT_SYMBOL(transport_init_session);
/**
* transport_alloc_session - allocate a session object and initialize it
* @sup_prot_ops: bitmask that defines which T10-PI modes are supported.
@ -238,11 +254,7 @@ struct se_session *transport_alloc_session(enum target_prot_op sup_prot_ops)
" se_sess_cache\n");
return ERR_PTR(-ENOMEM);
}
INIT_LIST_HEAD(&se_sess->sess_list);
INIT_LIST_HEAD(&se_sess->sess_acl_list);
INIT_LIST_HEAD(&se_sess->sess_cmd_list);
INIT_LIST_HEAD(&se_sess->sess_wait_list);
spin_lock_init(&se_sess->sess_cmd_lock);
transport_init_session(se_sess);
se_sess->sup_prot_ops = sup_prot_ops;
return se_sess;

5
drivers/target/target_core_xcopy.c
View File

@ -497,10 +497,7 @@ int target_xcopy_setup_pt(void)
INIT_LIST_HEAD(&xcopy_pt_nacl.acl_list);
INIT_LIST_HEAD(&xcopy_pt_nacl.acl_sess_list);
memset(&xcopy_pt_sess, 0, sizeof(struct se_session));
INIT_LIST_HEAD(&xcopy_pt_sess.sess_list);
INIT_LIST_HEAD(&xcopy_pt_sess.sess_acl_list);
INIT_LIST_HEAD(&xcopy_pt_sess.sess_cmd_list);
spin_lock_init(&xcopy_pt_sess.sess_cmd_lock);
transport_init_session(&xcopy_pt_sess);
xcopy_pt_nacl.se_tpg = &xcopy_pt_tpg;
xcopy_pt_nacl.nacl_sess = &xcopy_pt_sess;

1
include/target/target_core_fabric.h
View File

@ -115,6 +115,7 @@ struct se_session *target_alloc_session(struct se_portal_group *,
int (*callback)(struct se_portal_group *,
struct se_session *, void *));
void transport_init_session(struct se_session *);
struct se_session *transport_alloc_session(enum target_prot_op);
int transport_alloc_session_tags(struct se_session *, unsigned int,
unsigned int);