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target: Add SCF_SCSI_TMR_CDB usage and drop se_tmr_req_cache

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Change the test for if a cmd is a tmr request to checking if
SCF_SCSI_TMR_CDB (a new flag) is set in cmd->se_cmd_flags.

Also remove se_tmr_req_cache usage in favor of kzalloc usage,
and make core_tmr_alloc_req() return int + setup se_cmd->se_tmr_req
directly and fix up various fabric module usages

Cc: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Andy Grover
2012-01-19 13:39:17 -08:00
committed by Nicholas Bellinger
parent 35b2cdc4fe
commit c8e31f26fe
8 changed files with 51 additions and 61 deletions
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13
drivers/target/loopback/tcm_loop.c
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@@ -187,7 +187,7 @@ static int tcm_loop_check_stop_free(struct se_cmd *se_cmd)
* pointer. These will be released directly in tcm_loop_device_reset()
* with transport_generic_free_cmd().
*/
if (se_cmd->se_tmr_req)
if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
return 0;
/*
* Release the struct se_cmd, which will make a callback to release
@@ -324,7 +324,7 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
struct tcm_loop_nexus *tl_nexus;
struct tcm_loop_tmr *tl_tmr = NULL;
struct tcm_loop_tpg *tl_tpg;
int ret = FAILED;
int ret = FAILED, rc;
/*
* Locate the tcm_loop_hba_t pointer
*/
@@ -365,12 +365,9 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, 0,
DMA_NONE, MSG_SIMPLE_TAG,
&tl_cmd->tl_sense_buf[0]);
/*
* Allocate the LUN_RESET TMR
*/
se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd, tl_tmr,
TMR_LUN_RESET, GFP_KERNEL);
if (IS_ERR(se_cmd->se_tmr_req))
rc = core_tmr_alloc_req(se_cmd, tl_tmr, TMR_LUN_RESET, GFP_KERNEL);
if (rc < 0)
goto release;
/*
* Locate the underlying TCM struct se_lun from sc->device->lun