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target: Remove core TRANSPORT_FREE_CMD_INTR usage

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This patch drops TRANSPORT_FREE_CMD_INTR usage from target core, which
includes the removal of transport_generic_free_cmd_intr() symbol,
TRANSPORT_FREE_CMD_INTR usage in transport_processing_thread(), and
special case LUN_RESET handling to skip TRANSPORT_FREE_CMD_INTR processing
in core_tmr_drain_cmd_list().  We now expect that fabric modules will
use an internal workqueue to provide process context when releasing
se_cmd descriptor resources via transport_generic_free_cmd().

Reported-by: Christoph Hellwig <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Madhuranath Iyengar <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Nicholas Bellinger 2011-11-02 08:28:20 -07:00
commit 3151d069e9
4 changed files with 0 additions and 22 deletions
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10
drivers/target/target_core_tmr.c
View file

@ -329,16 +329,6 @@ static void core_tmr_drain_cmd_list(
*/
if (prout_cmd == cmd)
continue;
/*
* Skip direct processing of TRANSPORT_FREE_CMD_INTR for
* HW target mode fabrics.
*/
spin_lock(&cmd->t_state_lock);
if (cmd->t_state == TRANSPORT_FREE_CMD_INTR) {
spin_unlock(&cmd->t_state_lock);
continue;
}
spin_unlock(&cmd->t_state_lock);
atomic_set(&cmd->t_transport_queue_active, 0);
atomic_dec(&qobj->queue_cnt);

10
drivers/target/target_core_transport.c
View file

@ -1718,13 +1718,6 @@ int transport_generic_handle_tmr(
}
EXPORT_SYMBOL(transport_generic_handle_tmr);
void transport_generic_free_cmd_intr(
struct se_cmd *cmd)
{
transport_add_cmd_to_queue(cmd, TRANSPORT_FREE_CMD_INTR, false);
}
EXPORT_SYMBOL(transport_generic_free_cmd_intr);
/*
* If the task is active, request it to be stopped and sleep until it
* has completed.
@ -4597,9 +4590,6 @@ get_cmd:
case TRANSPORT_PROCESS_WRITE:
transport_generic_process_write(cmd);
break;
case TRANSPORT_FREE_CMD_INTR:
transport_generic_free_cmd(cmd, 0);
break;
case TRANSPORT_PROCESS_TMR:
transport_generic_do_tmr(cmd);
break;