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target: remove the t_tasks_fua se_cmd field

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And use a SCF_FUA flag instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2011-11-14 11:36:29 -05:00 • committed by Nicholas Bellinger
commit 2d3a4b51df
4 changed files with 13 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/target/target_core_file.c
View file

@ -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

2
drivers/target/target_core_iblock.c
View file

@ -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;

15
drivers/target/target_core_transport.c
View file

@ -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);

2
include/target/target_core_base.h
View file

@ -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;