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03e98c9eb9
This patch removes legacy usage of PYX_TRANSPORT_* return codes in a number of locations and addresses cases where transport_generic_request_failure() was returning the incorrect sense upon CHECK_CONDITION status after the v3.1 converson to use errno return codes. This includes the conversion of transport_generic_request_failure() to process cmd->scsi_sense_reason and handle extra TCM_RESERVATION_CONFLICT before calling transport_send_check_condition_and_sense() to queue up response status. It also drops PYX_TRANSPORT_OUT_OF_MEMORY_RESOURCES legacy usgae, and returns TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE w/ a response for these cases. transport_generic_allocate_tasks(), transport_generic_new_cmd(), backend SCF_SCSI_DATA_SG_IO_CDB ->do_task(), and emulated ->execute_task() have all been updated to set se_cmd->scsi_sense_reason and return errno codes universally upon failure. This includes cmd->scsi_sense_reason assignment in target_core_alua.c, target_core_pr.c and target_core_cdb.c emulation code. Finally it updates fabric modules to remove the legacy usage, and for TFO->new_cmd_map() callers forwards return values outside of fabric code. iscsi-target has also been updated to remove a handful of special cases related to the cleanup and signaling QUEUE_FULL handling w/ ft_write_pending() (v2: Drop extra SCF_SCSI_CDB_EXCEPTION check during failure from transport_generic_new_cmd, and re-add missing task->task_error_status assignment in transport_complete_task) Cc: Christoph Hellwig <hch@lst.de> Cc: stable@kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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.. | ||
iscsi_target.c | ||
iscsi_target.h | ||
iscsi_target_auth.c | ||
iscsi_target_auth.h | ||
iscsi_target_configfs.c | ||
iscsi_target_configfs.h | ||
iscsi_target_core.h | ||
iscsi_target_datain_values.c | ||
iscsi_target_datain_values.h | ||
iscsi_target_device.c | ||
iscsi_target_device.h | ||
iscsi_target_erl0.c | ||
iscsi_target_erl0.h | ||
iscsi_target_erl1.c | ||
iscsi_target_erl1.h | ||
iscsi_target_erl2.c | ||
iscsi_target_erl2.h | ||
iscsi_target_login.c | ||
iscsi_target_login.h | ||
iscsi_target_nego.c | ||
iscsi_target_nego.h | ||
iscsi_target_nodeattrib.c | ||
iscsi_target_nodeattrib.h | ||
iscsi_target_parameters.c | ||
iscsi_target_parameters.h | ||
iscsi_target_seq_pdu_list.c | ||
iscsi_target_seq_pdu_list.h | ||
iscsi_target_stat.c | ||
iscsi_target_stat.h | ||
iscsi_target_tmr.c | ||
iscsi_target_tmr.h | ||
iscsi_target_tpg.c | ||
iscsi_target_tpg.h | ||
iscsi_target_tq.c | ||
iscsi_target_tq.h | ||
iscsi_target_util.c | ||
iscsi_target_util.h | ||
Kconfig | ||
Makefile |