STRUCT ISER_FR_DESC(9)

💅 struct iser_fr_desc — Kernel API Manual, but make it make sense ✨

okay bestie, so this is a page from the Kernel API Manual about struct iser_fr_desc, and no cap, it's lowkey just a little struct with four members. but we're gonna slay the explanation anyway 🎀

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🌸 NAME 🌸

struct iser_fr_desc — the Fast registration descriptor. that's it, that's the name, and honestly? iconic. 💖

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✨ SYNOPSIS ✨

here's the whole struct, exactly as it lives, no edits, no drama:

struct iser_fr_desc {
    struct list_head                  list;
    struct iser_reg_resources         rsc;
    bool sig_protected;
    struct list_head                  all_list;
};

look at her. four fields. main character energy fr fr 🫶

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🦋 Members 🦋

• list — this one's the entry in the connection fastreg pool. like, it's on the list, literally. 💅
• rsc — the data buffer registration resources. all the resource-y bits for registering that data buffer live right here. 🍓
• sig_protected — this is the is region protected indicator. a bool, so it's giving yes/no, protected-or-not. 🎀
• all_list — the first and last list members. that's what the original says and we're not gonna overthink it, we're just gonna report it. 😭

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👑 SEE ALSO 👑

if you wanna go deeper (and you know you do), the kernel file is:

./drivers/infiniband/ulp/iser/iscsi_iser.h

and here's the whole squad of related structs — every single one, in order, no skips:

• struct iser_data_buf(9)
• struct iser_mem_reg(9)
• struct iser_tx_desc(9)
• struct iser_rx_desc(9)
• struct iser_login_desc(9)
• struct iser_device(9)
• struct iser_reg_resources(9)
• struct iser_fr_pool(9)
• struct ib_conn(9)
• struct iser_conn(9)
• struct iscsi_iser_task(9)
• struct iser_global(9)

like, the whole friend group showed up. obsessed. 🌈

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ngl, that last one in the list is struct iser_global(9) — and yes, it's still ./drivers/infiniband/ulp/iser energy, October 2026, struct iser_fr_desc(9), periodt 💀

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okay that's the whole page!! source is ./drivers/infiniband/ulp/iser, version/date is October 2026, and the page is struct iser_fr_desc(9) — mention it, remember it, maybe don't tattoo it. bye bestie, go register something fast 🔥✨💜