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authorChristoph Hellwig <hch@infradead.org>2011-11-14 11:36:30 -0500
committerNicholas Bellinger <nab@linux-iscsi.org>2011-12-06 06:00:53 +0000
commit33c3fafc43e56a22be60ebe67bec5ba763d51010 (patch)
tree87a482353c77ff469b4d7b4fab8df105087d8cf9
parent2d3a4b51df4db2ee0415f42a63b9629a7977b975 (diff)
target: remove the t_tasks_bidi se_cmd field
And use a SCF_BIDI flag instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/target/loopback/tcm_loop.c8
-rw-r--r--drivers/target/target_core_transport.c2
-rw-r--r--include/target/target_core_base.h2
3 files changed, 5 insertions, 7 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 0ca89f02e26..81d5832fbbd 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -113,11 +113,9 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
scsi_bufflen(sc), sc->sc_data_direction, sam_task_attr,
&tl_cmd->tl_sense_buf[0]);
- /*
- * Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
- */
if (scsi_bidi_cmnd(sc))
- se_cmd->t_tasks_bidi = 1;
+ se_cmd->se_cmd_flags |= SCF_BIDI;
+
/*
* Locate the struct se_lun pointer and attach it to struct se_cmd
*/
@@ -154,7 +152,7 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
* For BIDI commands, pass in the extra READ buffer
* to transport_generic_map_mem_to_cmd() below..
*/
- if (se_cmd->t_tasks_bidi) {
+ if (se_cmd->se_cmd_flags & SCF_BIDI) {
struct scsi_data_buffer *sdb = scsi_in(sc);
sgl_bidi = sdb->table.sgl;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 866af5d5869..8f29f472c50 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2598,7 +2598,7 @@ static int transport_generic_cmd_sequencer(
break;
case XDWRITEREAD_10:
if ((cmd->data_direction != DMA_TO_DEVICE) ||
- !(cmd->t_tasks_bidi))
+ !(cmd->se_cmd_flags & SCF_BIDI))
goto out_invalid_cdb_field;
sectors = transport_get_sectors_10(cdb, cmd, &sector_ret);
if (sector_ret)
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 357af4546d2..3f9e4da5bd9 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -106,6 +106,7 @@ enum se_cmd_flags_table {
SCF_FUA = 0x00000200,
SCF_SE_LUN_CMD = 0x00000800,
SCF_SE_ALLOW_EOO = 0x00001000,
+ SCF_BIDI = 0x00002000,
SCF_SENT_CHECK_CONDITION = 0x00004000,
SCF_OVERFLOW_BIT = 0x00008000,
SCF_UNDERFLOW_BIT = 0x00010000,
@@ -459,7 +460,6 @@ struct se_cmd {
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
unsigned long long t_task_lba;
int t_tasks_failed;
- bool t_tasks_bidi;
u32 t_tasks_sg_chained_no;
atomic_t t_fe_count;
atomic_t t_se_count;