STRUCT BFAD_CMD_PRIV(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ struct bfad_cmd_priv(9) ✨

okay so bestie, welcome to the struct bfad_cmd_priv(9) page β€” it's a kernel API manual moment, and honestly it's a short one but it's lowkey iconic πŸŽ€ this is the struct that keeps the private data per SCSI command, and yes, every single field matters, so let's go πŸ’…


🌸 NAME 🌸

struct bfad_cmd_priv β€” private data per SCSI command. that's literally it, that's the whole vibe ✨


πŸ¦‹ SYNOPSIS πŸ¦‹

struct bfad_cmd_priv {
    unsigned long status;
    wait_queue_head_t *wq;
 };

look at her. two members. clean. minimal. main character energy πŸ‘‘


πŸ’– Members πŸ’–

  • status β€” okay so this one is doing double duty fr fr. the lowest bit represents IO_DONE. and then the next seven bits? they hold a value of type enum bfi_tskim_status. so one unsigned long is carrying two whole pieces of info and honestly? we respect the hustle 🫢
  • wq β€” a wait queue, and its whole job is waiting for completion of an operation. it's a wait_queue_head_t *, so a pointer to the wait queue head, and yes she waits πŸ’€βœ¨

no cap: the way this struct packs IO_DONE into that lowest bit and the enum bfi_tskim_status value into the next seven bits is giving bit-field-adjacent excellence β€” just remember those seven bits are where the enum lives, so don't go messing with them πŸ™ˆ

🌈 SEE ALSO 🌈

  • Kernel file ./drivers/scsi/bfa/bfad_im.h β€” go read it, iykyk πŸ“–πŸ’œ

and that's the page bestie!! slay, you made it all the way to the end πŸŽ‰ this little beauty comes to you from ./drivers/scsi/bfa, dated October 2026, and it's the struct bfad_cmd_priv(9) page β€” periodt πŸ’…πŸŒΈ

πŸ“¦ where this page comes from