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authorChristoph Hellwig <hch@infradead.org>2011-11-14 11:36:29 -0500
committerNicholas Bellinger <nab@linux-iscsi.org>2011-12-06 06:00:52 +0000
commit2d3a4b51df4db2ee0415f42a63b9629a7977b975 (patch)
treefd83d9881b4d2041061d62271fea53af8a81be44
parentaad13ca20d960ab74b739d7bbe876dac4502f546 (diff)
downloadblackbird-op-linux-2d3a4b51df4db2ee0415f42a63b9629a7977b975.tar.gz
blackbird-op-linux-2d3a4b51df4db2ee0415f42a63b9629a7977b975.zip
target: remove the t_tasks_fua se_cmd field
And use a SCF_FUA flag instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/target/target_core_file.c2
-rw-r--r--drivers/target/target_core_iblock.c2
-rw-r--r--drivers/target/target_core_transport.c15
-rw-r--r--include/target/target_core_base.h2
4 files changed, 13 insertions, 8 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cdd47e8c7366..38211322415e 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -438,7 +438,7 @@ static int fd_do_task(struct se_task *task)
if (ret > 0 &&
dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0 &&
dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
- cmd->t_tasks_fua) {
+ (cmd->se_cmd_flags & SCF_FUA)) {
/*
* We might need to be a bit smarter here
* and return some sense data to let the initiator
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index c670b8c2c994..4aa992204438 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -531,7 +531,7 @@ static int iblock_do_task(struct se_task *task)
*/
if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
- task->task_se_cmd->t_tasks_fua))
+ (cmd->se_cmd_flags & SCF_FUA)))
rw = WRITE_FUA;
else
rw = WRITE;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index a66050ec2c2f..866af5d5869f 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2572,7 +2572,8 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_32(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case WRITE_12:
@@ -2581,7 +2582,8 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_32(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case WRITE_16:
@@ -2590,7 +2592,8 @@ static int transport_generic_cmd_sequencer(
goto out_unsupported_cdb;
size = transport_get_size(sectors, cdb, cmd);
cmd->t_task_lba = transport_lba_64(cdb);
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_SG_IO_CDB;
break;
case XDWRITEREAD_10:
@@ -2614,7 +2617,8 @@ static int transport_generic_cmd_sequencer(
* Setup BIDI XOR callback to be run after I/O completion.
*/
cmd->transport_complete_callback = &transport_xor_callback;
- cmd->t_tasks_fua = (cdb[1] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
break;
case VARIABLE_LENGTH_CMD:
service_action = get_unaligned_be16(&cdb[8]);
@@ -2642,7 +2646,8 @@ static int transport_generic_cmd_sequencer(
* completion.
*/
cmd->transport_complete_callback = &transport_xor_callback;
- cmd->t_tasks_fua = (cdb[10] & 0x8);
+ if (cdb[1] & 0x8)
+ cmd->se_cmd_flags |= SCF_FUA;
break;
case WRITE_SAME_32:
sectors = transport_get_sectors_32(cdb, cmd, &sector_ret);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 29773342f2c6..357af4546d25 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -103,6 +103,7 @@ enum se_cmd_flags_table {
SCF_SCSI_NON_DATA_CDB = 0x00000040,
SCF_SCSI_CDB_EXCEPTION = 0x00000080,
SCF_SCSI_RESERVATION_CONFLICT = 0x00000100,
+ SCF_FUA = 0x00000200,
SCF_SE_LUN_CMD = 0x00000800,
SCF_SE_ALLOW_EOO = 0x00001000,
SCF_SENT_CHECK_CONDITION = 0x00004000,
@@ -458,7 +459,6 @@ struct se_cmd {
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
unsigned long long t_task_lba;
int t_tasks_failed;
- int t_tasks_fua;
bool t_tasks_bidi;
u32 t_tasks_sg_chained_no;
atomic_t t_fe_count;
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