iowait_get_txhead(9)

💅 iowait_get_txhead(9) 💅

okay so this page is iowait_get_txhead(9) from the Kernel API Manual, and it's here to explain the tiny but iconic move of getting a packet off of the iowait list. no cap. 🎀

✨ NAME ✨

iowait_get_txhead — get packet off of iowait list. that's the whole assignment bestie, and yes it ate. 💖

🌸 SYNOPSIS 🌸

struct sdma_txreq * iowait_get_txhead (struct iowait_work *wait );

🦋 ARGUMENTS 🦋

• wait — an iowait_work structure. that's it, that's the arg, she's literally the main character of this call. ✨

👑 SEE ALSO 👑

kernel file ./drivers/infiniband/hw/hfi1/iowait.h plus the whole friend group:

• iowait_schedule(9)
• iowait_tid_schedule(9)
• iowait_sdma_drain(9)
• iowait_sdma_pending(9)
• iowait_sdma_inc(9)
• iowait_sdma_add(9)
• iowait_sdma_dec(9)
• iowait_pio_drain(9)
• iowait_pio_pending(9)
• iowait_pio_inc(9)
• iowait_pio_dec(9)
• iowait_drain_wakeup(9)
• iowait_queue(9)
• iowait_starve_clear(9)
• iowait_packet_queued(9)
• iowait_get_tid_work(9)
• iowait_get_ib_work(9)
• iowait_ioww_to_iow(9)

that's the tea 🍓 — source: ./drivers/infiniband/hw/hfi1, date: October 2026, Kernel API Manual, iowait_get_txhead(9) out 💋✨