[$] Adding BPF to blk-iocost
We're bad at marketing We can admit it, marketing is not our strong suit. Our strength is writing the kind of articles that developers, administrators, and free-software supporters depend on to know what is going on in the Linux world. By Jonathan CorbetSeptember 15, 2026 The scheduling of block I/O requests has long been a challenge for operating-system kernels.
- ▪We're bad at marketing We can admit it, marketing is not our strong suit.
- ▪Our strength is writing the kind of articles that developers, administrators, and free-software supporters depend on to know what is going on in the Linux world.
- ▪By Jonathan CorbetSeptember 15, 2026 The scheduling of block I/O requests has long been a challenge for operating-system kernels.
LWN.net (Linux Weekly News) files mainly under tech. We currently carry 262 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | LWN.net (Linux Weekly News) |
| Canonical URL | https://lwn.net/Articles/1093661/ |
| Publication time | Tue, 15 Sep 2026 14:37:30 +0000 |
| Retrieval time | 2026-09-15T14:41:52.799Z |
| Last seen | 2026-09-15T14:41:53.662Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | eQvwsWJ0IRZP |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
We're bad at marketing We can admit it, marketing is not our strong suit. Our strength is writing the kind of articles that developers, administrators, and free-software supporters depend on to know what is going on in the Linux world. Please subscribe today to help us keep doing that, and so we don’t have to get good at marketing. By Jonathan CorbetSeptember 15, 2026 The scheduling of block I/O requests has long been a challenge for operating-system kernels. For many years, the performance characteristics of rotating drives meant that putting considerable resources into request ordering was worthwhile.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at LWN.net (Linux Weekly News).