scsi_dispatch_cmd(9)

✨ NAME ✨

okay so bestie, this is scsi_dispatch_cmd(9), straight outta the Kernel API Manual 💅 and it is literally the function that dispatches a command to the low-level driver. no cap, that is the whole main-character job. 🎀

🦋 SYNOPSIS 🦋

enum scsi_qc_status scsi_dispatch_cmd (struct scsi_cmnd *cmd );

💖 ARGUMENTS 💖

• cmd — the command block we are dispatching. that's it, that's the argument, and yes she is iconic 🫶

🔥 RETURN 🔥

if the return is nonzero, the request was rejected and the device's queue needs to be plugged. so like: nonzero = rejected request + plug that queue, periodt. 💀

🌈 SEE ALSO 🌈

if you're going on a lil kernel-source rabbit hole, these are the besties to check out — all chilling alongside the Kernel file ./drivers/scsi/scsi_lib.c:

• Kernel file: ./drivers/scsi/scsi_lib.c
• __scsi_queue_insert(9)
• scsi_queue_insert(9)
• scsi_failures_reset_retries(9)
• scsi_check_passthrough(9)
• scsi_execute_cmd(9)
• scsi_run_queue(9)
• scsi_result_to_blk_status(9)
• scsi_rq_err_bytes(9)
• scsi_io_completion(9)
• scsi_alloc_sgtables(9)
• scsi_initialize_rq(9)
• scsi_alloc_request(9)
• scsi_get_internal_cmd(9)
• scsi_put_internal_cmd(9)
• scsi_device_from_queue(9)
• scsi_block_requests(9)
• scsi_unblock_requests(9)
• scsi_mode_select(9)
• scsi_mode_sense(9)
• scsi_test_unit_ready(9)
• scsi_device_set_state(9)
• scsi_evt_emit(9)
• scsi_evt_thread(9)
• sdev_evt_send(9)
• sdev_evt_alloc(9)
• sdev_evt_send_simple(9)
• scsi_device_quiesce(9)
• scsi_device_resume(9)
• scsi_internal_device_block_nowait(9)
• scsi_device_block(9)
• scsi_internal_device_unblock_nowait(9)
• scsi_internal_device_unblock(9)
• scsi_block_targets(9)
• scsi_host_block(9)
• scsi_kmap_atomic_sg(9)
• scsi_kunmap_atomic_sg(9)
• scsi_vpd_lun_id(9)
• scsi_vpd_lun_serial(9)
• scsi_vpd_tpg_id(9)
• scsi_build_sense(9)

mwah 💋 this lil page lives in the Kernel API Manual, source ./drivers/scsi, dated October 2026, and she is called scsi_dispatch_cmd(9). byeee 🫶✨