_scsih_scsi_..._find_by_lun(9)

📦 version 7.3.1, in nixpkgs unstable

💅 NAME 💅

okay so bestie, meet _scsih_scsi_lookup_find_by_lun — it's literally a search for a matching channel:id:lun, that's the whole gig 🎀

(this one's from the Kernel API Manual, _scsih_scsi_..._find_by_lun(9) — iykyk ✨)

✨ SYNOPSIS ✨

u8 _scsih_scsi_lookup_find_by_lun (struct MPT3SAS_ADAPTER *ioc , int id
, unsigned int lun , int channel );

like, she takes four things and hands you back a u8, no cap 🫶

🦋 ARGUMENTS 🦋

  • ioc — the per adapter object, your main character struct 👑
  • id — target id, the target's whole identity fr
  • lun — lun number, the lun in question 💫
  • channel — channel, yes that's the channel, exactly what it sounds like 🌸

🔒 CONTEXT 🔒

not me warning you: this function will acquire ioc->scsi_lookup_lock. so like, be aware of the lock situation going in, bestie ⚠️

💖 DESCRIPTION 💖

so what she actually does: this will search for a matching channel:id:lun in the scsi_lookup array, returning 1 if found. that's it. that's the vibe check. found = 1, slay 🎯

🌈 SEE ALSO 🌈

the whole squad lives in the Kernel file ./drivers/scsi/mpt3sas/mpt3sas_scsih.c — and honestly? iconic lineup:

and that's the page, bestie 🫶 this one came out of ./drivers/scsi/mpt3sas, dated October 2026 — go forth and find those luns, periodt 💜

📦 where this page comes from