xprt_rdma_bc_setup(9)

💖 xprt_rdma_bc_setup(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ — this is the page for xprt_rdma_bc_setup, and yes it's a mouthful, we love her anyway 🎀

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🌸 NAME 🌸

xprt_rdma_bc_setup — the girl who pre-allocates resources for handling backchannel requests 💅 like she's setting up the group chat before everyone starts spamming it

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⭐ SYNOPSIS ⭐

int xprt_rdma_bc_setup (struct rpc_xprt *xprt , unsigned int reqs );

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🦋 ARGUMENTS 🦋

• xprt — the transport that's associated with these backchannel resources 🫶 this is her transport, they're linked, it's giving main character energy
• reqs — how many concurrent incoming requests you're expecting 🌈 the headcount for the party, basically

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💀 DESCRIPTION 💀

She returns 0 on success — slay, iconic, ate 💖 — otherwise you get a negative errno 😭 so if the vibe check fails, you'll know.

no cap, that's the whole thing: success is 0, anything else is a negative errno. memorize it, bestie 🧚

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🔥 SEE ALSO 🔥

• Kernel file ./net/sunrpc/xprtrdma/backchannel.c 📁 — go read the source, iykyk
• xprt_rdma_bc_maxpayload(9)
• xprt_rdma_bc_send_reply(9)
• xprt_rdma_bc_destroy(9)
• xprt_rdma_bc_free_rqst(9)
• rpcrdma_bc_receive_call(9)

the whole friend group fr fr 🫶 go say hi to all of them

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mwah 💋 this page lives under ./net/sunrpc/xprtrdma, and it was dated October 2026 — that's the source/version and date, bestie, noted and cherished 👑✨