target: Move session check from target_put_sess_cmd() into target_release_cmd_kref()

This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Bart Van Assche 2017-02-07 12:19:16 -08:00 committed by Nicholas Bellinger
parent b1a2ecdad7
commit 6b6427b6fd

View File

@ -2592,6 +2592,7 @@ static void target_release_cmd_kref(struct kref *kref)
unsigned long flags;
bool fabric_stop;
if (se_sess) {
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
spin_lock(&se_cmd->t_state_lock);
@ -2608,23 +2609,21 @@ static void target_release_cmd_kref(struct kref *kref)
}
list_del_init(&se_cmd->se_cmd_list);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
}
target_free_cmd_mem(se_cmd);
se_cmd->se_tfo->release_cmd(se_cmd);
}
/* target_put_sess_cmd - Check for active I/O shutdown via kref_put
* @se_cmd: command descriptor to drop
/**
* target_put_sess_cmd - decrease the command reference count
* @se_cmd: command to drop a reference from
*
* Returns 1 if and only if this target_put_sess_cmd() call caused the
* refcount to drop to zero. Returns zero otherwise.
*/
int target_put_sess_cmd(struct se_cmd *se_cmd)
{
struct se_session *se_sess = se_cmd->se_sess;
if (!se_sess) {
target_free_cmd_mem(se_cmd);
se_cmd->se_tfo->release_cmd(se_cmd);
return 1;
}
return kref_put(&se_cmd->cmd_kref, target_release_cmd_kref);
}
EXPORT_SYMBOL(target_put_sess_cmd);