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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
Download Patch File Download Diff File Expand all files Collapse all files
include/target/target_core_base.h
+20 -19
View File
@@ -169,7 +169,8 @@ enum se_cmd_flags_table {
SCF_EMULATED_TASK_SENSE = 0x00000004,
SCF_SCSI_DATA_SG_IO_CDB = 0x00000008,
SCF_SCSI_CONTROL_SG_IO_CDB = 0x00000010,
SCF_SCSI_NON_DATA_CDB = 0x00000040,
SCF_SCSI_NON_DATA_CDB = 0x00000020,
SCF_SCSI_TMR_CDB = 0x00000040,
SCF_SCSI_CDB_EXCEPTION = 0x00000080,
SCF_SCSI_RESERVATION_CONFLICT = 0x00000100,
SCF_FUA = 0x00000200,
@@ -498,6 +499,24 @@ struct se_task {
struct completion task_stop_comp;
};
struct se_tmr_req {
/* Task Management function to be performed */
u8 function;
/* Task Management response to send */
u8 response;
int call_transport;
/* Reference to ITT that Task Mgmt should be performed */
u32 ref_task_tag;
/* 64-bit encoded SAM LUN from $FABRIC_MOD TMR header */
u64 ref_task_lun;
void *fabric_tmr_ptr;
struct se_cmd *task_cmd;
struct se_cmd *ref_cmd;
struct se_device *tmr_dev;
struct se_lun *tmr_lun;
struct list_head tmr_list;
};
struct se_cmd {
/* SAM response code being sent to initiator */
u8 scsi_status;
@@ -586,24 +605,6 @@ struct se_cmd {
};
struct se_tmr_req {
/* Task Management function to be performed */
u8 function;
/* Task Management response to send */
u8 response;
int call_transport;
/* Reference to ITT that Task Mgmt should be performed */
u32 ref_task_tag;
/* 64-bit encoded SAM LUN from $FABRIC_MOD TMR header */
u64 ref_task_lun;
void *fabric_tmr_ptr;
struct se_cmd *task_cmd;
struct se_cmd *ref_cmd;
struct se_device *tmr_dev;
struct se_lun *tmr_lun;
struct list_head tmr_list;
};
struct se_ua {
u8 ua_asc;
u8 ua_ascq;
include/target/target_core_fabric.h
+1 -1
View File
@@ -139,7 +139,7 @@ void target_wait_for_sess_cmds(struct se_session *, int);
int core_alua_check_nonop_delay(struct se_cmd *);
struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
int core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
void core_tmr_release_req(struct se_tmr_req *);
int transport_generic_handle_tmr(struct se_cmd *);
int transport_lookup_tmr_lun(struct se_cmd *, u32);