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authorChristoph Hellwig2011-09-25 14:56:43 -0400
committerNicholas Bellinger2011-10-24 03:20:46 +0000
commita3eedc227bfa7c9e21ef3cebe164d06a4c507a71 (patch)
tree276a9003777f55abd8633a23c9e4151509c8d0f4
parent02b1a7463420e1cebe86c6755c44d3bd9489829e (diff)
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 <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/target/target_core_transport.c32
-rw-r--r--include/target/target_core_transport.h12
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
@@ -234,18 +234,6 @@ struct se_subsystem_api {
*/
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():
*/
int (*attach_hba)(struct se_hba *, u32);