xas_retry(9)

💅 NAME 💅

Okay so welcome to xas_retry, bestie — straight out of the Kernel API Manual (that's the 9 in the name, kernel-space girlies only ✨). Here's the whole vibe:

• xas_retry — retry the operation if appropriate. That's it, that's the whole function. If appropriate? Retry. If not? Don't. Iconic behavior honestly 💅

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🦋 SYNOPSIS 🦋

bool xas_retry (struct xa_state *xas , const void *entry );

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🎀 ARGUMENTS 🎀

• xas — the XArray operation state 💖 this is the little guy holding all your walk progress, and yes he's about to get rearranged.
• entry — an entry from the xarray. You're handing it in so it can get vibe-checked 🫶

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🌸 DESCRIPTION 🌸

So here's the tea: the advanced functions may sometimes return an internal entry — like a retry entry, or a zero entry 🙈 not a "real" entry, just kernel-internal bookkeeping that slipped into your return value.

This function looks at that and sets up the xas to restart the walk from the head of the array if needed. That's the whole job. No cap, that's it — you got a weird internal entry, she rewinds the walk back to the head so you can go again. Main character energy: the walk resets, the plot continues 💫

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🌈 CONTEXT 🌈

Any context. Literally any. Not "any context except interrupt" — just any. She's flexible like that, lowkey the easiest context section you'll ever read 🧚

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⭐ RETURN ⭐

true if the operation needs to be retried. If it's true, bestie, you are going around again — no skipping. 🔥

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👑 SEE ALSO 👑

Everything lives in the kernel file ./include/linux/xarray.h, and there is a lot of family here — the whole xarray extended universe, fr fr:

xa_mk_value(9), xa_to_value(9), xa_is_value(9), xa_tag_pointer(9), xa_untag_pointer(9), xa_pointer_tag(9), xa_is_zero(9), xa_is_err(9), xa_err(9), struct xa_limit(9), struct xarray(9), DEFINE_XARRAY_FLAGS(9), DEFINE_XARRAY(9), DEFINE_XARRAY_ALLOC(9), DEFINE_XARRAY_ALLOC1(9), xa_init_flags(9), xa_init(9), xa_empty(9), xa_marked(9), xa_for_each_range(9), xa_for_each_start(9), xa_for_each(9), xa_for_each_marked(9), xa_store_bh(9), xa_store_irq(9), xa_erase_bh(9), xa_erase_irq(9), xa_cmpxchg(9), xa_cmpxchg_bh(9), xa_cmpxchg_irq(9), xa_insert(9), xa_insert_bh(9), xa_insert_irq(9), xa_alloc(9), xa_alloc_bh(9), xa_alloc_irq(9), xa_alloc_cyclic(9), xa_alloc_cyclic_bh(9), xa_alloc_cyclic_irq(9), xa_reserve(9), xa_reserve_bh(9), xa_reserve_irq(9), xa_release(9), xa_is_sibling(9), xa_is_retry(9), xa_is_advanced(9), xa_update_node_t(9), XA_STATE(9), XA_STATE_ORDER(9), xas_error(9), xas_set_err(9), xas_invalid(9), xas_valid(9), xas_is_node(9), xas_reset(9), xas_reload(9), xas_set(9), xas_advance(9), xas_set_order(9), xas_set_update(9), xas_next_entry(9), xas_next_marked(9), xas_for_each(9), xas_for_each_marked(9), xas_for_each_conflict(9), xas_prev(9), xas_next(9)

Like I said. A lot. Go read them, iykyk 📚💜

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Girl help, don't forget to actually check the return value — that true is your cue to loop again, and ignoring it is giving undefined-plot-twist 💀

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That's the whole page, bestie, you ate it up 🍓 Signing off from ./include/linux, dated October 2026, on the xas_retry(9) page — mwah, see you in the next walk of the array 💖🎀✨