nfsd_slot_shrinker_scan(9)

hiii bestie 💖 welcome to nfsd_slot_shrinker_scan(9) from the Kernel API Manual — section 9, kernel edition, no cap ✨. This page is all about reclaiming DRC slots under memory pressure, and it's honestly a short little icon, so let's go 🫶.

✨ NAME ✨

nfsd_slot_shrinker_scan — reclaim DRC slots under memory pressure 💅

🫶 SYNOPSIS 🫶

okay so the signature is literally right here, bestie — copy it exactly, no edits:

unsigned long nfsd_slot_shrinker_scan (struct shrinker *s , struct
shrink_control *sc );

💅 ARGUMENTS 💅

• s — shrinker descriptor. It's unused here, so it's just vibing in the function signature 💀.
• sc — shrink control; sc->nr_to_scan bounds the sessions visited, and sc->nr_scanned reports how many were visited. The way this struct is doing the actual tracking is iconic 🎀.

🎀 RETURN 🎀

The return value is the number of session slots NFSD will release. That's the count, periodt 💖.

🌈 SEE ALSO 🌈

Kernel file ./fs/nfsd/nfs4state.c is the home base, and these are the SEE ALSO cuties — all of them, no skips:

• nfs4_delegation_exists(9)
• hash_delegation_locked(9)
• revoke_delegation(9)
• nfs4_replay_free_cache(9)
• nfsd4_revoke_states(9)
• nfsd4_revoke_export_states(9)
• nfsd_slot_shrinker_count(9)
• nfsd4_put_client(9)
• nfsd_wait_for_delegreturn(9)
• nfsd_breaker_owns_lease(9)
• nfsd4_deleg_lm_open_conflict(9)
• nfsd4_process_open2(9)
• nfsd4_force_end_grace(9)
• nfs4_preprocess_stateid_op(9)
• nfs4_preprocess_seqid_op(9)
• nfsd4_release_lockowner(9)
• nfsd4_vet_deleg_time(9)
• nfsd4_deleg_getattr_conflict(9)
• nfsd_get_dir_deleg(9)
• nfsd_update_cmtime_attr(9)

okay that's the whole page, bestie 🫶 sourced from ./fs/nfsd, page nfsd_slot_shrinker_scan(9), dated October 2026 — catch you in the next manpage, mwah 💖✨