From a3eedc227bfa7c9e21ef3cebe164d06a4c507a71 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 25 Sep 2011 14:56:43 -0400 Subject: target: remove unused se_subsystem_api methods The cdb_none, map_data_SG and map_control_SG methods have no callers left and can be removed now. Signed-off-by: Christoph Hellwig Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_transport.c | 32 ++------------------------------ include/target/target_core_transport.h | 12 ------------ 2 files changed, 2 insertions(+), 42 deletions(-) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index e5905269c850..ae1efc7c9ec6 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -4023,7 +4023,7 @@ static int transport_allocate_data_tasks( struct se_task *task; struct se_device *dev = cmd->se_dev; unsigned long flags; - int task_count, i, ret; + int task_count, i; sector_t sectors, dev_max_sectors = dev->se_sub_dev->se_dev_attrib.max_sectors; u32 sector_size = dev->se_sub_dev->se_dev_attrib.block_size; struct scatterlist *sg; @@ -4101,20 +4101,6 @@ static int transport_allocate_data_tasks( list_add_tail(&task->t_list, &cmd->t_task_list); spin_unlock_irqrestore(&cmd->t_state_lock, flags); } - /* - * Now perform the memory map of task->task_sg[] into backend - * subsystem memory.. - */ - list_for_each_entry(task, &cmd->t_task_list, t_list) { - if (atomic_read(&task->task_sent)) - continue; - if (!dev->transport->map_data_SG) - continue; - - ret = dev->transport->map_data_SG(task); - if (ret < 0) - return 0; - } return task_count; } @@ -4126,7 +4112,6 @@ transport_allocate_control_task(struct se_cmd *cmd) unsigned char *cdb; struct se_task *task; unsigned long flags; - int ret = 0; task = transport_generic_get_task(cmd, cmd->data_direction); if (!task) @@ -4153,21 +4138,8 @@ transport_allocate_control_task(struct se_cmd *cmd) list_add_tail(&task->t_list, &cmd->t_task_list); spin_unlock_irqrestore(&cmd->t_state_lock, flags); - if (cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) { - if (dev->transport->map_control_SG) - ret = dev->transport->map_control_SG(task); - } else if (cmd->se_cmd_flags & SCF_SCSI_NON_DATA_CDB) { - if (dev->transport->cdb_none) - ret = dev->transport->cdb_none(task); - } else { - pr_err("target: Unknown control cmd type!\n"); - BUG(); - } - /* Success! Return number of tasks allocated */ - if (ret == 0) - return 1; - return ret; + return 1; } static u32 transport_allocate_tasks( diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index e67feeb88b69..549b6b332b1b 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -233,18 +233,6 @@ struct se_subsystem_api { * Used for global se_subsystem_api list_head */ struct list_head sub_api_list; - /* - * For SCF_SCSI_NON_DATA_CDB - */ - int (*cdb_none)(struct se_task *); - /* - * For SCF_SCSI_DATA_SG_IO_CDB - */ - int (*map_data_SG)(struct se_task *); - /* - * For SCF_SCSI_CONTROL_SG_IO_CDB - */ - int (*map_control_SG)(struct se_task *); /* * attach_hba(): */ -- cgit v1.2.3