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| author | Quinn Tran <quinn.tran@qlogic.com> | 2016-02-10 18:59:13 -0500 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-02-10 23:08:55 -0800 |
| commit | 9095adaab8c1d82707e4e9961b6ad79b62f3361b (patch) | |
| tree | 29d651b22487ed1b2bb19a3186e71aae3aa23710 | |
| parent | 2e498f25b0daa9dec761e3e880024ff7417f2445 (diff) | |
| download | linux-9095adaab8c1d82707e4e9961b6ad79b62f3361b.tar.gz linux-9095adaab8c1d82707e4e9961b6ad79b62f3361b.tar.bz2 linux-9095adaab8c1d82707e4e9961b6ad79b62f3361b.zip | |
target/transport: add flag to indicate CPU Affinity is observed
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Fixes: fb3269b ("qla2xxx: Add selective command queuing")
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/target_core_transport.c | 12 | ||||
| -rw-r--r-- | include/target/target_core_base.h | 2 |
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index d92cb644d8f9..867bc6d0a68a 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -711,10 +711,10 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) cmd->transport_state |= (CMD_T_COMPLETE | CMD_T_ACTIVE); spin_unlock_irqrestore(&cmd->t_state_lock, flags); - if (cmd->cpuid == -1) - queue_work(target_completion_wq, &cmd->work); - else + if (cmd->se_cmd_flags & SCF_USE_CPUID) queue_work_on(cmd->cpuid, target_completion_wq, &cmd->work); + else + queue_work(target_completion_wq, &cmd->work); } EXPORT_SYMBOL(target_complete_cmd); @@ -1426,6 +1426,12 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess */ transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, data_length, data_dir, task_attr, sense); + + if (flags & TARGET_SCF_USE_CPUID) + se_cmd->se_cmd_flags |= SCF_USE_CPUID; + else + se_cmd->cpuid = WORK_CPU_UNBOUND; + if (flags & TARGET_SCF_UNKNOWN_SIZE) se_cmd->unknown_data_length = 1; /* diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index d71a3ead9e63..e8c8c08bf575 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -141,6 +141,7 @@ enum se_cmd_flags_table { SCF_COMPARE_AND_WRITE_POST = 0x00100000, SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC = 0x00200000, SCF_ACK_KREF = 0x00400000, + SCF_USE_CPUID = 0x00800000, }; /* struct se_dev_entry->lun_flags and struct se_lun->lun_access */ @@ -188,6 +189,7 @@ enum target_sc_flags_table { TARGET_SCF_BIDI_OP = 0x01, TARGET_SCF_ACK_KREF = 0x02, TARGET_SCF_UNKNOWN_SIZE = 0x04, + TARGET_SCF_USE_CPUID = 0x08, }; /* fabric independent task management function values */ |