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target: simplify command to task linkage

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Now that we only have a single task per command we can use a direct pointer
to it instead of list.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Christoph Hellwig 2012-04-24 00:25:04 -04:00 • committed by Nicholas Bellinger
commit 785fdf70b2
3 changed files with 45 additions and 89 deletions
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7
include/target/target_core_base.h
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@ -492,7 +492,6 @@ struct se_task {
u16 task_flags;
u8 task_scsi_status;
enum dma_data_direction task_data_direction;
struct list_head t_list;
struct list_head t_execute_list;
struct list_head t_state_list;
bool t_state_active;
@ -573,7 +572,6 @@ struct se_cmd {
atomic_t t_se_count;
atomic_t t_task_cdbs_left;
atomic_t t_task_cdbs_ex_left;
atomic_t t_task_cdbs_sent;
unsigned int transport_state;
#define CMD_T_ABORTED (1 << 0)
#define CMD_T_ACTIVE (1 << 1)
@ -598,10 +596,7 @@ struct se_cmd {
struct scatterlist *t_bidi_data_sg;
unsigned int t_bidi_data_nents;
/* Used for BIDI READ */
struct list_head t_task_list;
u32 t_task_list_num;
struct se_task *t_task;
};
struct se_ua {