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scsi: tcm_fc: use target_remove_session 

This converts tcm_fc to use target_remove_session

tcm_fc was calling transport_deregister_session_configfs then calling
transport_deregister_session when commands have completed. It should be ok
for it to call transport_deregister_session_configfs later via
target_remove_session because transport_deregister_session_configfs only
prevents access from configfs via tpg removal and its call to the
close_session callback for that driver, and this is already protected by
the ft_lport_lock and its port lookup handling.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike Christie 2018-08-02 12:12:26 -05:00 committed by Martin K. Petersen
parent b287e3517e
commit 60daca1006
1 changed files with 1 additions and 2 deletions
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3
drivers/target/tcm_fc/tfc_sess.c
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@ -287,7 +287,6 @@ static struct ft_sess *ft_sess_delete(struct ft_tport *tport, u32 port_id)
static void ft_close_sess(struct ft_sess *sess)
{
transport_deregister_session_configfs(sess->se_sess);
target_sess_cmd_list_set_waiting(sess->se_sess);
target_wait_for_sess_cmds(sess->se_sess);
ft_sess_put(sess);
@ -448,7 +447,7 @@ static void ft_sess_free(struct kref *kref)
{
struct ft_sess *sess = container_of(kref, struct ft_sess, kref);
transport_deregister_session(sess->se_sess);
target_remove_session(sess->se_sess);
kfree_rcu(sess, rcu);
}