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iscsi/iser-target: Convert to command priv_size usage
This command converts iscsi/isert-target to use allocations based on iscsit_transport->priv_size within iscsit_allocate_cmd(), instead of using an embedded isert_cmd->iscsi_cmd. This includes removing iscsit_transport->alloc_cmd() usage, along with updating isert-target code to use iscsit_priv_cmd(). Also, remove left-over iscsit_transport->release_cmd() usage for direct calls to iscsit_release_cmd(), and drop the now unused lio_cmd_cache and isert_cmd_cache. Cc: Or Gerlitz <ogerlitz@mellanox.com> Cc: Kent Overstreet <kmo@daterainc.com> Signed-off-by: Nicholas Bellinger <nab@daterainc.com>
This commit is contained in:
Nicholas Bellinger
Nicholas Bellinger
parent
3aee26b4ae
commit
d703ce2f7f
@ -39,7 +39,6 @@ static DEFINE_MUTEX(device_list_mutex);
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static LIST_HEAD(device_list);
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static struct workqueue_struct *isert_rx_wq;
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static struct workqueue_struct *isert_comp_wq;
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static struct kmem_cache *isert_cmd_cache;
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static void
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isert_qp_event_callback(struct ib_event *e, void *context)
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@ -876,43 +875,30 @@ isert_rx_login_req(struct iser_rx_desc *rx_desc, int rx_buflen,
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schedule_delayed_work(&conn->login_work, 0);
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}
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static void
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isert_release_cmd(struct iscsi_cmd *cmd)
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{
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struct isert_cmd *isert_cmd = container_of(cmd, struct isert_cmd,
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iscsi_cmd);
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pr_debug("Entering isert_release_cmd %p >>>>>>>>>>>>>>>.\n", isert_cmd);
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kfree(cmd->buf_ptr);
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kfree(cmd->tmr_req);
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kmem_cache_free(isert_cmd_cache, isert_cmd);
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}
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static struct iscsi_cmd
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*isert_alloc_cmd(struct iscsi_conn *conn, gfp_t gfp)
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*isert_allocate_cmd(struct iscsi_conn *conn, gfp_t gfp)
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{
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct isert_cmd *isert_cmd;
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struct iscsi_cmd *cmd;
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isert_cmd = kmem_cache_zalloc(isert_cmd_cache, gfp);
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if (!isert_cmd) {
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pr_err("Unable to allocate isert_cmd\n");
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cmd = iscsit_allocate_cmd(conn, gfp);
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if (!cmd) {
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pr_err("Unable to allocate iscsi_cmd + isert_cmd\n");
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return NULL;
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}
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isert_cmd = iscsit_priv_cmd(cmd);
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isert_cmd->conn = isert_conn;
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isert_cmd->iscsi_cmd.release_cmd = &isert_release_cmd;
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isert_cmd->iscsi_cmd = cmd;
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return &isert_cmd->iscsi_cmd;
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return cmd;
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}
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static int
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isert_handle_scsi_cmd(struct isert_conn *isert_conn,
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struct isert_cmd *isert_cmd, struct iser_rx_desc *rx_desc,
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unsigned char *buf)
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struct isert_cmd *isert_cmd, struct iscsi_cmd *cmd,
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struct iser_rx_desc *rx_desc, unsigned char *buf)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_conn *conn = isert_conn->conn;
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struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)buf;
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struct scatterlist *sg;
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@ -1019,9 +1005,9 @@ isert_handle_iscsi_dataout(struct isert_conn *isert_conn,
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static int
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isert_handle_nop_out(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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struct iser_rx_desc *rx_desc, unsigned char *buf)
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struct iscsi_cmd *cmd, struct iser_rx_desc *rx_desc,
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unsigned char *buf)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_conn *conn = isert_conn->conn;
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struct iscsi_nopout *hdr = (struct iscsi_nopout *)buf;
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int rc;
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@ -1038,9 +1024,9 @@ isert_handle_nop_out(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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static int
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isert_handle_text_cmd(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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struct iser_rx_desc *rx_desc, struct iscsi_text *hdr)
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struct iscsi_cmd *cmd, struct iser_rx_desc *rx_desc,
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struct iscsi_text *hdr)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_conn *conn = isert_conn->conn;
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u32 payload_length = ntoh24(hdr->dlength);
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int rc;
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@ -1085,26 +1071,26 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc,
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switch (opcode) {
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case ISCSI_OP_SCSI_CMD:
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cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
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cmd = isert_allocate_cmd(conn, GFP_KERNEL);
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if (!cmd)
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break;
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isert_cmd = container_of(cmd, struct isert_cmd, iscsi_cmd);
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isert_cmd = iscsit_priv_cmd(cmd);
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isert_cmd->read_stag = read_stag;
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isert_cmd->read_va = read_va;
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isert_cmd->write_stag = write_stag;
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isert_cmd->write_va = write_va;
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ret = isert_handle_scsi_cmd(isert_conn, isert_cmd,
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ret = isert_handle_scsi_cmd(isert_conn, isert_cmd, cmd,
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rx_desc, (unsigned char *)hdr);
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break;
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case ISCSI_OP_NOOP_OUT:
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cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
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cmd = isert_allocate_cmd(conn, GFP_KERNEL);
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if (!cmd)
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break;
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isert_cmd = container_of(cmd, struct isert_cmd, iscsi_cmd);
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ret = isert_handle_nop_out(isert_conn, isert_cmd,
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isert_cmd = iscsit_priv_cmd(cmd);
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ret = isert_handle_nop_out(isert_conn, isert_cmd, cmd,
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rx_desc, (unsigned char *)hdr);
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break;
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case ISCSI_OP_SCSI_DATA_OUT:
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@ -1112,7 +1098,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc,
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(unsigned char *)hdr);
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break;
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case ISCSI_OP_SCSI_TMFUNC:
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cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
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cmd = isert_allocate_cmd(conn, GFP_KERNEL);
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if (!cmd)
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break;
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@ -1120,7 +1106,7 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc,
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(unsigned char *)hdr);
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break;
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case ISCSI_OP_LOGOUT:
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cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
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cmd = isert_allocate_cmd(conn, GFP_KERNEL);
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if (!cmd)
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break;
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@ -1131,12 +1117,12 @@ isert_rx_opcode(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc,
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HZ);
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break;
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case ISCSI_OP_TEXT:
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cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
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cmd = isert_allocate_cmd(conn, GFP_KERNEL);
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if (!cmd)
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break;
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isert_cmd = container_of(cmd, struct isert_cmd, iscsi_cmd);
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ret = isert_handle_text_cmd(isert_conn, isert_cmd,
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isert_cmd = iscsit_priv_cmd(cmd);
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ret = isert_handle_text_cmd(isert_conn, isert_cmd, cmd,
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rx_desc, (struct iscsi_text *)hdr);
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break;
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default:
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@ -1264,7 +1250,7 @@ isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn)
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static void
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isert_put_cmd(struct isert_cmd *isert_cmd)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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struct isert_conn *isert_conn = isert_cmd->conn;
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struct iscsi_conn *conn = isert_conn->conn;
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@ -1315,7 +1301,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
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* Fall-through
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*/
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default:
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isert_release_cmd(cmd);
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iscsit_release_cmd(cmd);
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break;
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}
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}
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@ -1351,7 +1337,7 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
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struct isert_cmd *isert_cmd)
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{
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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struct se_cmd *se_cmd = &cmd->se_cmd;
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struct ib_device *ib_dev = isert_cmd->conn->conn_cm_id->device;
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@ -1387,7 +1373,7 @@ isert_do_control_comp(struct work_struct *work)
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struct isert_cmd, comp_work);
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struct isert_conn *isert_conn = isert_cmd->conn;
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struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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switch (cmd->i_state) {
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case ISTATE_SEND_TASKMGTRSP:
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@ -1433,7 +1419,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc,
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struct isert_conn *isert_conn,
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struct ib_device *ib_dev)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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if (cmd->i_state == ISTATE_SEND_TASKMGTRSP ||
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cmd->i_state == ISTATE_SEND_LOGOUTRSP ||
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@ -1625,8 +1611,7 @@ isert_post_response(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd)
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static int
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isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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struct iscsi_scsi_rsp *hdr = (struct iscsi_scsi_rsp *)
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@ -1675,8 +1660,7 @@ static int
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isert_put_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn,
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bool nopout_response)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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@ -1695,8 +1679,7 @@ isert_put_nopin(struct iscsi_cmd *cmd, struct iscsi_conn *conn,
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static int
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isert_put_logout_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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@ -1714,8 +1697,7 @@ isert_put_logout_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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static int
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isert_put_tm_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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@ -1733,8 +1715,7 @@ isert_put_tm_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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static int
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isert_put_reject(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
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@ -1766,8 +1747,7 @@ isert_put_reject(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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static int
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isert_put_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
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{
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *send_wr = &isert_cmd->tx_desc.send_wr;
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struct iscsi_text_rsp *hdr =
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@ -1809,7 +1789,7 @@ isert_build_rdma_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
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struct ib_sge *ib_sge, struct ib_send_wr *send_wr,
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u32 data_left, u32 offset)
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{
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struct iscsi_cmd *cmd = &isert_cmd->iscsi_cmd;
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struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
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struct scatterlist *sg_start, *tmp_sg;
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struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
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u32 sg_off, page_off;
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@ -1854,8 +1834,7 @@ static int
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isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
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{
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struct se_cmd *se_cmd = &cmd->se_cmd;
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *wr_failed, *send_wr;
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@ -1958,8 +1937,7 @@ static int
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isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery)
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{
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struct se_cmd *se_cmd = &cmd->se_cmd;
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struct isert_cmd *isert_cmd = container_of(cmd,
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struct isert_cmd, iscsi_cmd);
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struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd);
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struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
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struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
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struct ib_send_wr *wr_failed, *send_wr;
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@ -2405,12 +2383,12 @@ static void isert_free_conn(struct iscsi_conn *conn)
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static struct iscsit_transport iser_target_transport = {
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.name = "IB/iSER",
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.transport_type = ISCSI_INFINIBAND,
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.priv_size = sizeof(struct isert_cmd),
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.owner = THIS_MODULE,
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.iscsit_setup_np = isert_setup_np,
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.iscsit_accept_np = isert_accept_np,
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.iscsit_free_np = isert_free_np,
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.iscsit_free_conn = isert_free_conn,
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.iscsit_alloc_cmd = isert_alloc_cmd,
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.iscsit_get_login_rx = isert_get_login_rx,
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.iscsit_put_login_tx = isert_put_login_tx,
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.iscsit_immediate_queue = isert_immediate_queue,
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@ -2437,21 +2415,10 @@ static int __init isert_init(void)
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goto destroy_rx_wq;
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}
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isert_cmd_cache = kmem_cache_create("isert_cmd_cache",
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sizeof(struct isert_cmd), __alignof__(struct isert_cmd),
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0, NULL);
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if (!isert_cmd_cache) {
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pr_err("Unable to create isert_cmd_cache\n");
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ret = -ENOMEM;
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goto destroy_tx_cq;
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}
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iscsit_register_transport(&iser_target_transport);
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pr_debug("iSER_TARGET[0] - Loaded iser_target_transport\n");
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return 0;
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destroy_tx_cq:
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destroy_workqueue(isert_comp_wq);
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destroy_rx_wq:
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destroy_workqueue(isert_rx_wq);
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return ret;
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@ -2459,7 +2426,6 @@ destroy_rx_wq:
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static void __exit isert_exit(void)
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{
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kmem_cache_destroy(isert_cmd_cache);
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destroy_workqueue(isert_comp_wq);
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destroy_workqueue(isert_rx_wq);
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iscsit_unregister_transport(&iser_target_transport);
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@ -67,7 +67,7 @@ struct isert_cmd {
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u32 write_va_off;
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u32 rdma_wr_num;
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struct isert_conn *conn;
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struct iscsi_cmd iscsi_cmd;
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struct iscsi_cmd *iscsi_cmd;
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struct ib_sge *ib_sge;
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struct iser_tx_desc tx_desc;
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struct isert_rdma_wr rdma_wr;
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@ -63,7 +63,6 @@ spinlock_t sess_idr_lock;
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struct iscsit_global *iscsit_global;
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struct kmem_cache *lio_cmd_cache;
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struct kmem_cache *lio_qr_cache;
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struct kmem_cache *lio_dr_cache;
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struct kmem_cache *lio_ooo_cache;
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@ -500,7 +499,6 @@ static struct iscsit_transport iscsi_target_transport = {
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.iscsit_setup_np = iscsit_setup_np,
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.iscsit_accept_np = iscsit_accept_np,
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.iscsit_free_np = iscsit_free_np,
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.iscsit_alloc_cmd = iscsit_alloc_cmd,
|
||||
.iscsit_get_login_rx = iscsit_get_login_rx,
|
||||
.iscsit_put_login_tx = iscsit_put_login_tx,
|
||||
.iscsit_get_dataout = iscsit_build_r2ts_for_cmd,
|
||||
@ -541,22 +539,13 @@ static int __init iscsi_target_init_module(void)
|
||||
goto ts_out1;
|
||||
}
|
||||
|
||||
lio_cmd_cache = kmem_cache_create("lio_cmd_cache",
|
||||
sizeof(struct iscsi_cmd), __alignof__(struct iscsi_cmd),
|
||||
0, NULL);
|
||||
if (!lio_cmd_cache) {
|
||||
pr_err("Unable to kmem_cache_create() for"
|
||||
" lio_cmd_cache\n");
|
||||
goto ts_out2;
|
||||
}
|
||||
|
||||
lio_qr_cache = kmem_cache_create("lio_qr_cache",
|
||||
sizeof(struct iscsi_queue_req),
|
||||
__alignof__(struct iscsi_queue_req), 0, NULL);
|
||||
if (!lio_qr_cache) {
|
||||
pr_err("nable to kmem_cache_create() for"
|
||||
" lio_qr_cache\n");
|
||||
goto cmd_out;
|
||||
goto ts_out2;
|
||||
}
|
||||
|
||||
lio_dr_cache = kmem_cache_create("lio_dr_cache",
|
||||
@ -600,8 +589,6 @@ dr_out:
|
||||
kmem_cache_destroy(lio_dr_cache);
|
||||
qr_out:
|
||||
kmem_cache_destroy(lio_qr_cache);
|
||||
cmd_out:
|
||||
kmem_cache_destroy(lio_cmd_cache);
|
||||
ts_out2:
|
||||
iscsi_deallocate_thread_sets();
|
||||
ts_out1:
|
||||
@ -619,7 +606,6 @@ static void __exit iscsi_target_cleanup_module(void)
|
||||
iscsi_thread_set_free();
|
||||
iscsit_release_discovery_tpg();
|
||||
iscsit_unregister_transport(&iscsi_target_transport);
|
||||
kmem_cache_destroy(lio_cmd_cache);
|
||||
kmem_cache_destroy(lio_qr_cache);
|
||||
kmem_cache_destroy(lio_dr_cache);
|
||||
kmem_cache_destroy(lio_ooo_cache);
|
||||
|
||||
@ -39,7 +39,6 @@ extern struct target_fabric_configfs *lio_target_fabric_configfs;
|
||||
|
||||
extern struct kmem_cache *lio_dr_cache;
|
||||
extern struct kmem_cache *lio_ooo_cache;
|
||||
extern struct kmem_cache *lio_cmd_cache;
|
||||
extern struct kmem_cache *lio_qr_cache;
|
||||
extern struct kmem_cache *lio_r2t_cache;
|
||||
|
||||
|
||||
@ -1925,7 +1925,7 @@ static void lio_release_cmd(struct se_cmd *se_cmd)
|
||||
struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
|
||||
|
||||
pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd);
|
||||
cmd->release_cmd(cmd);
|
||||
iscsit_release_cmd(cmd);
|
||||
}
|
||||
|
||||
/* End functions for target_core_fabric_ops */
|
||||
|
||||
@ -489,7 +489,6 @@ struct iscsi_cmd {
|
||||
u32 first_data_sg_off;
|
||||
u32 kmapped_nents;
|
||||
sense_reason_t sense_reason;
|
||||
void (*release_cmd)(struct iscsi_cmd *);
|
||||
} ____cacheline_aligned;
|
||||
|
||||
struct iscsi_tmr_req {
|
||||
|
||||
@ -149,18 +149,6 @@ void iscsit_free_r2ts_from_list(struct iscsi_cmd *cmd)
|
||||
spin_unlock_bh(&cmd->r2t_lock);
|
||||
}
|
||||
|
||||
struct iscsi_cmd *iscsit_alloc_cmd(struct iscsi_conn *conn, gfp_t gfp_mask)
|
||||
{
|
||||
struct iscsi_cmd *cmd;
|
||||
|
||||
cmd = kmem_cache_zalloc(lio_cmd_cache, gfp_mask);
|
||||
if (!cmd)
|
||||
return NULL;
|
||||
|
||||
cmd->release_cmd = &iscsit_release_cmd;
|
||||
return cmd;
|
||||
}
|
||||
|
||||
/*
|
||||
* May be called from software interrupt (timer) context for allocating
|
||||
* iSCSI NopINs.
|
||||
@ -168,8 +156,9 @@ struct iscsi_cmd *iscsit_alloc_cmd(struct iscsi_conn *conn, gfp_t gfp_mask)
|
||||
struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *conn, gfp_t gfp_mask)
|
||||
{
|
||||
struct iscsi_cmd *cmd;
|
||||
int priv_size = conn->conn_transport->priv_size;
|
||||
|
||||
cmd = conn->conn_transport->iscsit_alloc_cmd(conn, gfp_mask);
|
||||
cmd = kzalloc(sizeof(struct iscsi_cmd) + priv_size, gfp_mask);
|
||||
if (!cmd) {
|
||||
pr_err("Unable to allocate memory for struct iscsi_cmd.\n");
|
||||
return NULL;
|
||||
@ -696,8 +685,9 @@ void iscsit_release_cmd(struct iscsi_cmd *cmd)
|
||||
kfree(cmd->iov_data);
|
||||
kfree(cmd->text_in_ptr);
|
||||
|
||||
kmem_cache_free(lio_cmd_cache, cmd);
|
||||
kfree(cmd);
|
||||
}
|
||||
EXPORT_SYMBOL(iscsit_release_cmd);
|
||||
|
||||
static void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd,
|
||||
bool check_queues)
|
||||
@ -761,7 +751,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
|
||||
/* Fall-through */
|
||||
default:
|
||||
__iscsit_free_cmd(cmd, false, shutdown);
|
||||
cmd->release_cmd(cmd);
|
||||
iscsit_release_cmd(cmd);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@ -6,13 +6,13 @@ struct iscsit_transport {
|
||||
#define ISCSIT_TRANSPORT_NAME 16
|
||||
char name[ISCSIT_TRANSPORT_NAME];
|
||||
int transport_type;
|
||||
int priv_size;
|
||||
struct module *owner;
|
||||
struct list_head t_node;
|
||||
int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *);
|
||||
int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
|
||||
void (*iscsit_free_np)(struct iscsi_np *);
|
||||
void (*iscsit_free_conn)(struct iscsi_conn *);
|
||||
struct iscsi_cmd *(*iscsit_alloc_cmd)(struct iscsi_conn *, gfp_t);
|
||||
int (*iscsit_get_login_rx)(struct iscsi_conn *, struct iscsi_login *);
|
||||
int (*iscsit_put_login_tx)(struct iscsi_conn *, struct iscsi_login *, u32);
|
||||
int (*iscsit_immediate_queue)(struct iscsi_conn *, struct iscsi_cmd *, int);
|
||||
@ -22,6 +22,11 @@ struct iscsit_transport {
|
||||
int (*iscsit_queue_status)(struct iscsi_conn *, struct iscsi_cmd *);
|
||||
};
|
||||
|
||||
static inline void *iscsit_priv_cmd(struct iscsi_cmd *cmd)
|
||||
{
|
||||
return (void *)(cmd + 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* From iscsi_target_transport.c
|
||||
*/
|
||||
@ -92,3 +97,4 @@ extern int iscsit_tmr_post_handler(struct iscsi_cmd *, struct iscsi_conn *);
|
||||
extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, gfp_t);
|
||||
extern int iscsit_sequence_cmd(struct iscsi_conn *, struct iscsi_cmd *,
|
||||
unsigned char *, __be32);
|
||||
extern void iscsit_release_cmd(struct iscsi_cmd *);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user