rpc_max_bc_payload(9)

💅 rpc_max_bc_payload(9) — a Kernel API Manual moment

okay so bestie, welcome to the Kernel API Manual entry for rpc_max_bc_payload(9). yes the manual name is literally in the title, i'm not being extra, that's just how these pages roll 🎀

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✨ NAME ✨

rpc_max_bc_payload — Get maximum backchannel payload size, in bytes 💖

like, it tells you how big the backchannel payload can get. in bytes. that's the whole vibe check. 🦋

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🌸 SYNOPSIS 🌸

size_t rpc_max_bc_payload (struct rpc_clnt *clnt );

that's it. one function, one argument, one size_t coming back at you. she's lowkey iconic for being this simple ✨

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🫶 ARGUMENTS 🫶

• clnt — RPC client to query 👑 this is the client you're asking. you hand her over, she gets queried. simple as that.

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🦋 SEE ALSO 🦋

okay this is the part where the page just dumps the whole friend group on you 😭 but honestly? respect. they're all hanging out in the kernel file ./net/sunrpc/clnt.c and here's the full roster, no cap:

• rpc_create(9)
• rpc_clone_client(9)
• rpc_clone_client_set_auth(9)
• rpc_switch_client_transport(9)
• rpc_clnt_iterate_for_each_xprt(9)
• rpc_cancel_tasks(9)
• rpc_hold_client(9)
• rpc_release_client(9)
• rpc_bind_new_program(9)
• rpc_run_task(9)
• rpc_call_sync(9)
• rpc_call_async(9)
• rpc_run_bc_task(9)
• rpc_prepare_reply_pages(9)
• rpc_peeraddr(9)
• rpc_peeraddr2str(9)
• rpc_localaddr(9)
• rpc_net_ns(9)
• rpc_max_payload(9)
• rpc_force_rebind(9)
• rpc_clnt_test_and_add_xprt(9)
• rpc_clnt_setup_test_and_add_xprt(9)
• rpc_clnt_add_xprt(9)

twenty-three besties. twenty-three!! literally a whole group chat 💀💅

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and that's the page, babe. no bugs section, no warnings, no drama — she's short and she knows it 🌈

ngl if you were looking for a plot twist, this is not that page. it just returns the max backchannel payload size in bytes and goes home. periodt. 🙈

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mwah 💋 this has been rpc_max_bc_payload(9) from the ./net/sunrpc corner of the universe, dated October 2026 — stay slay, stay sized, and remember: it's giving bytes 🎀✨🦋