forked from Minki/linux
scsi: target: Abstract tag freeing
Introduce target_free_tag() and convert all drivers to use it. Signed-off-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -3783,7 +3783,7 @@ void qlt_free_cmd(struct qla_tgt_cmd *cmd)
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return;
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}
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cmd->jiffies_at_free = get_jiffies_64();
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percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
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target_free_tag(sess->se_sess, &cmd->se_cmd);
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}
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EXPORT_SYMBOL(qlt_free_cmd);
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@ -4146,7 +4146,7 @@ out_term:
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qlt_send_term_exchange(qpair, NULL, &cmd->atio, 1, 0);
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qlt_decr_num_pend_cmds(vha);
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percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
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target_free_tag(sess->se_sess, &cmd->se_cmd);
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spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
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spin_lock_irqsave(&ha->tgt.sess_lock, flags);
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@ -711,7 +711,7 @@ void iscsit_release_cmd(struct iscsi_cmd *cmd)
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kfree(cmd->iov_data);
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kfree(cmd->text_in_ptr);
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percpu_ida_free(&sess->se_sess->sess_tag_pool, se_cmd->map_tag);
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target_free_tag(sess->se_sess, se_cmd);
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}
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EXPORT_SYMBOL(iscsit_release_cmd);
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@ -1460,7 +1460,7 @@ static void sbp_free_request(struct sbp_target_request *req)
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kfree(req->pg_tbl);
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kfree(req->cmd_buf);
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percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
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target_free_tag(se_sess, se_cmd);
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}
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static void sbp_mgt_agent_process(struct work_struct *work)
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@ -92,7 +92,7 @@ static void ft_free_cmd(struct ft_cmd *cmd)
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if (fr_seq(fp))
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fc_seq_release(fr_seq(fp));
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fc_frame_free(fp);
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percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag);
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target_free_tag(sess->se_sess, &cmd->se_cmd);
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ft_sess_put(sess); /* undo get from lookup at recv */
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}
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@ -461,7 +461,7 @@ static void ft_recv_cmd(struct ft_sess *sess, struct fc_frame *fp)
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cmd->sess = sess;
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cmd->seq = fc_seq_assign(lport, fp);
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if (!cmd->seq) {
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percpu_ida_free(&se_sess->sess_tag_pool, tag);
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target_free_tag(se_sess, &cmd->se_cmd);
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goto busy;
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}
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cmd->req_frame = fp; /* hold frame during cmd */
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@ -1288,7 +1288,7 @@ static void usbg_release_cmd(struct se_cmd *se_cmd)
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struct se_session *se_sess = se_cmd->se_sess;
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kfree(cmd->data_buf);
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percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
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target_free_tag(se_sess, se_cmd);
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}
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static u32 usbg_sess_get_index(struct se_session *se_sess)
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@ -324,7 +324,7 @@ static void vhost_scsi_release_cmd(struct se_cmd *se_cmd)
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}
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vhost_scsi_put_inflight(tv_cmd->inflight);
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percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
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target_free_tag(se_sess, se_cmd);
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}
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static u32 vhost_scsi_sess_get_index(struct se_session *se_sess)
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@ -1377,9 +1377,7 @@ static int scsiback_check_stop_free(struct se_cmd *se_cmd)
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static void scsiback_release_cmd(struct se_cmd *se_cmd)
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{
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struct se_session *se_sess = se_cmd->se_sess;
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percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
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target_free_tag(se_cmd->se_sess, se_cmd);
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}
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static u32 scsiback_sess_get_index(struct se_session *se_sess)
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@ -934,4 +934,9 @@ static inline void atomic_dec_mb(atomic_t *v)
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smp_mb__after_atomic();
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}
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static inline void target_free_tag(struct se_session *sess, struct se_cmd *cmd)
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{
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percpu_ida_free(&sess->sess_tag_pool, cmd->map_tag);
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}
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#endif /* TARGET_CORE_BASE_H */
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