frwr_wc_localinv_wake(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… frwr_wc_localinv_wake(9) β€” from the Kernel API Manual, bestie ✨

okay so before we even start: this is a page from the Kernel API Manual, and the function we're stanning today is frwr_wc_localinv_wake. yes the name is a mouthful. no we're not changing it. let's go πŸŽ€


✨ NAME ✨

frwr_wc_localinv_wake β€” the callback the RDMA provider hits you with when a LOCAL_INV WC shows up πŸ’«

like, literally. that's the whole job description. the RDMA provider invokes it for a LOCAL_INV WC. iconic behavior honestly πŸ‘‘


πŸ¦‹ SYNOPSIS πŸ¦‹

void frwr_wc_localinv_wake (struct ib_cq *cq , struct ib_wc *wc );

yeah that's it. void in, void out, two args in the middle. no cap 🫢


🌸 ARGUMENTS 🌸

  • cq β€” the completion queue πŸ’– (a struct ib_cq *, if you're keeping track)
  • wc β€” the WCE for a completed LocalInv WR 🌈 she's the receipt, basically

πŸ’… DESCRIPTION πŸ’…

So what does it do? It awakens anyone who's waiting for an MR to finish being fenced 😭🫢

read that again. awaken. anyone. waiting. the MR is done being fenced, and this function is the one knocking on the door like "bestie you're up πŸ’–". main character energy fr fr.


🧚 SEE ALSO 🧚

the kernel file in question lives at ./net/sunrpc/xprtrdma/frwr_ops.c πŸ“ β€” go read it, iykyk.

and the whole friend group 🫢:

all of them. every single one. squint at them in that exact order if you want, i don't make the rules πŸ’€


🌟 cute sign-off time: this little beauty comes to you from ./net/sunrpc/xprtrdma, dated October 2026, and she is, of course, frwr_wc_localinv_wake(9). slay, ate, periodt. πŸ’œπŸŽ€βœ¨
πŸ“¦ where this page comes from