From: Andrew Morton <akpm@linux-foundation.org>
To: Kuan-Wei Chiu <visitorckw@gmail.com>,
corbet@lwn.net, colyli@kernel.org, kent.overstreet@linux.dev,
robertpang@google.com, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-bcache@vger.kernel.org,
jserv@ccns.ncku.edu.tw, stable@vger.kernel.org
Subject: Re: [PATCH 0/8] Fix bcache regression with equality-aware heap APIs
Date: Wed, 11 Jun 2025 18:54:24 -0700 [thread overview]
Message-ID: <20250611185424.79f3cf82da78c2b271629657@linux-foundation.org> (raw)
In-Reply-To: <20250611184817.bf9fee25d6947a9bcf60b6f9@linux-foundation.org>
On Wed, 11 Jun 2025 18:48:17 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
> Unfortunately the changelog provides no indication of the magnitude of
> the userspace impact. Please tell us this, in detail.
OK I found details in the 8th patch's Closes: link. That was tricky ;)
It's impressively detailed but I'm still struggling to understand how
much pain this regression causes users in real life. So some sort of
reader-friendly executive summary would be great, please.
next prev parent reply other threads:[~2025-06-12 1:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-10 21:55 [PATCH 0/8] Fix bcache regression with equality-aware heap APIs Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 1/8] lib min_heap: Add equal-elements-aware sift_down variant Kuan-Wei Chiu
2025-06-12 13:00 ` Robert Pang
2025-06-13 6:17 ` Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 2/8] lib min_heap: Add typedef for sift_down function pointer Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 3/8] lib min_heap: add eqaware variant of min_heapify_all() Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 4/8] lib min_heap: add eqaware variant of min_heap_pop() Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 5/8] lib min_heap: add eqaware variant of min_heap_pop_push() Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 6/8] lib min_heap: add eqaware variant of min_heap_del() Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 7/8] Documentation/core-api: min_heap: Document _eqaware variants of min-heap APIs Kuan-Wei Chiu
2025-06-10 21:55 ` [PATCH 8/8] bcache: Fix the tail IO latency regression by using equality-aware min heap API Kuan-Wei Chiu
2025-06-12 1:48 ` [PATCH 0/8] Fix bcache regression with equality-aware heap APIs Andrew Morton
2025-06-12 1:54 ` Andrew Morton [this message]
2025-06-13 6:15 ` Kuan-Wei Chiu
2025-06-13 14:26 ` Robert Pang
2025-06-13 18:04 ` Andrew Morton
2025-06-13 23:19 ` Kuan-Wei Chiu
2025-06-14 1:31 ` Andrew Morton
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