xprt_rdma_send_request(9)

💖 xprt_rdma_send_request(9) 💖

okay so bestie, this little icon is straight outta the Kernel API Manual, and we're about to make her make sense. group-chat energy: on. 🫶✨

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🎀 NAME 🎀

xprt_rdma_send_request — marshal and send an RPC request. That's the whole name-section serve, and she ate. 💅

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🌸 SYNOPSIS 🌸

int xprt_rdma_send_request (struct rpc_rqst *rqst );

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🦋 ARGUMENTS 🦋

• rqst — the RPC message hangin' out in rq_snd_buf, ready for its moment. 💖

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🔥 DESCRIPTION 🔥

Real talk, queen: the caller holds the transport's write lock. That's the vibe check. 🔒✨

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💅 RETURN 💅

Here's the group-chat rundown of return values, and every single one matters:

• 0 — the RPC message has been sent. slay 💅
• -ENOTCONN — the caller should reconnect and call again.
• -EAGAIN — the caller should call again.
• -ENOBUFS — the caller should call again after a delay.
• -EMSGSIZE — encoding ran out of buffer space. The request was not sent. Do not try to send this message again.
• -EIO — an I/O error occurred. The request was not sent. Do not try to send this message again.

😭 babe, those last two are a hard no-retry zone. Not me stressing over it. Do not try to send this message again, fr fr.

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👑 SEE ALSO 👑

• Kernel file: ./net/sunrpc/xprtrdma/transport.c
• xprt_rdma_connect_worker(9)
• xprt_rdma_inject_disconnect(9)
• xprt_rdma_destroy(9)
• xprt_setup_rdma(9)
• xprt_rdma_close(9)
• xprt_rdma_set_port(9)
• xprt_rdma_timer(9)
• xprt_rdma_set_connect_timeout(9)
• xprt_rdma_connect(9)
• xprt_rdma_alloc_slot(9)
• xprt_rdma_free_slot(9)
• xprt_rdma_allocate(9)
• xprt_rdma_free(9)

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source/version: ./net/sunrpc/xprtrdma · date: October 2026 — okay that's the whole lore, byeee bestie, mwah 💋🫶🎀