scsi_eh_lock_door(9)

hey bestie, welcome to the scsi_eh_lock_door(9) page from the Kernel API Manual 💖 this one is short, but it's doing important door-locking business, so let's get into it.

✨ NAME ✨

scsi_eh_lock_door — prevent medium removal for the specified device. literally the “please don’t take the medium out” guy 🫶

🌸 SYNOPSIS 🌸

void scsi_eh_lock_door (struct scsi_device *sdev );

🎀 ARGUMENTS 🎀

• sdev — SCSI device to prevent medium removal. that's the device we're locking the door for, no cap.

💅 DESCRIPTION 💅

Locking: we must be called from process context. that's the whole rule, bestie — process context only, periodt.

🦋 NOTES 🦋

so here's the tea: we queue up an asynchronous "ALLOW MEDIUM REMOVAL" request on the head of the devices request queue, and continue. highkey iconic async behavior, we are not waiting around for it.

🔥 SEE ALSO 🔥

Kernel file ./drivers/scsi/scsi_error.c plus the whole bestie squad:

• scsi_schedule_eh(9)
• scmd_eh_abort_handler(9)
• scsi_abort_command(9)
• scsi_eh_reset(9)
• scsi_eh_scmd_add(9)
• scsi_timeout(9)
• scsi_block_when_processing_errors(9)
• scsi_eh_prt_fail_stats(9)
• scsi_report_sense(9)
• scsi_check_sense(9)
• scsi_eh_completed_normally(9)
• scsi_eh_done(9)
• scsi_try_host_reset(9)
• scsi_try_bus_reset(9)
• scsi_try_target_reset(9)
• scsi_try_bus_device_reset(9)
• scsi_try_to_abort_cmd(9)
• scsi_eh_prep_cmnd(9)
• scsi_eh_restore_cmnd(9)
• scsi_send_eh_cmnd(9)
• scsi_request_sense(9)
• scsi_eh_finish_cmd(9)
• scsi_eh_get_sense(9)
• scsi_eh_tur(9)
• scsi_eh_test_devices(9)
• scsi_eh_try_stu(9)
• scsi_eh_bus_device_reset(9)
• scsi_eh_target_reset(9)
• scsi_eh_bus_reset(9)
• scsi_eh_host_reset(9)
• scsi_eh_offline_sdevs(9)
• scsi_noretry_cmd(9)
• scsi_decide_disposition(9)
• scsi_restart_operations(9)
• scsi_eh_ready_devs(9)
• scsi_eh_flush_done_q(9)
• scsi_unjam_host(9)
• scsi_error_handler(9)
• scsi_report_bus_reset(9)
• scsi_report_device_reset(9)
• scsi_ioctl_reset(9)
• scsi_get_sense_info_fld(9)

that's the page, bestie 🫶 source/version: ./drivers/scsi; date: October 2026; page: scsi_eh_lock_door(9). now go forth and lock that door 💅✨