target_put_sess_cmd(9)

💅 target_put_sess_cmd — bestie's guide to the kernel API manual

okay so first things first, this is a page from the Kernel API Manual (yes, that's the section-9 vibe, kernel devs only, iykyk 💖). The star of the show is target_put_sess_cmd, and she is literally the reverse card of the session-command world. Let's get into it 🎀

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✨ NAME ✨

target_put_sess_cmd — decrease the command reference count 🫶

Like, she's the one you call when you're done with a command and you're handing your reference back. Polite. Iconic. Minimal. Periodt.

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🌸 SYNOPSIS 🌸

int target_put_sess_cmd(struct se_cmd *se_cmd);

That's the whole signature, no cap. She takes one pointer and gives you back an int. Simple queen behaviour 💅

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🦋 ARGUMENTS 🦋

• se_cmd — the command you're dropping a reference from, bestie. That's it. That's the argument. Not me being vague, that's genuinely all the original says 🙈

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🔥 DESCRIPTION 🔥

okay so here's the tea ☕ — the return value on this one is very specific and you gotta respect it:

• She returns 1 if and only if this target_put_sess_cmd call was the one that caused the refcount to drop to zero. Like, you were the last one holding a reference and now she's free. Main character moment, honestly 👑
• She returns zero otherwise. Every other case. No drama, no surprises, just 0 🍓

Fr fr: "if and only if" is doing real work in that sentence. Don't be out here treating a 1 as "success" in the generic sense — it means this specific call hit zero. That's the whole semantic, and the original is very precise about it 💜

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💀 SEE ALSO 💀

okay so the source file for all of this lives right here:

Kernel file ./drivers/target/target_core_transport.c

and here's the whole friend group, all in section 9, all linked together — go say hi 🧚:

• transport_init_session(9)
• transport_alloc_session(9)
• transport_alloc_session_tags(9)
• transport_init_session_tags(9)
• target_cmd_size_check(9)
• target_init_cmd(9)
• target_submit_prep(9)
• target_submit_cmd(9)
• target_queue_submission(9)
• target_submit(9)
• target_submit_tmr(9)
• target_get_sess_cmd(9)
• target_stop_cmd_counter(9)
• target_stop_session(9)
• target_wait_for_cmds(9)
• target_wait_for_sess_cmds(9)
• transport_wait_for_tasks(9)
• translate_sense_reason(9)
• target_send_busy(9)

Lowkey note that target_get_sess_cmd(9) is right there in the list and she's basically the opposite energy — get it, then put it. Balanced, as all things should be 🌈

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🌟 sign-off 🌟

This page comes to you from the source path ./drivers/target, dated October 2026 — so yeah, future girl summer over here ⭐ Anyway, that's the whole manual page, you ate that, go forth and decrement responsibly 💖✨🎀