linux-kernel - [PATCH v2 00/15] treewide: Refactor heap related implementation

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Date: Wed, 20 Mar 2024 22:54:02 +0800
From: Kuan-Wei Chiu <visitorckw@...il.com>
To: colyli@...e.de,
	kent.overstreet@...ux.dev,
	msakai@...hat.com,
	peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	akpm@...ux-foundation.org
Cc: bfoster@...hat.com,
	mark.rutland@....com,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	adrian.hunter@...el.com,
	jserv@...s.ncku.edu.tw,
	dm-devel@...ts.linux.dev,
	linux-bcache@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-bcachefs@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Kuan-Wei Chiu <visitorckw@...il.com>
Subject: [PATCH v2 00/15] treewide: Refactor heap related implementation

This patch series focuses on several adjustments related to heap
implementation. Firstly, a type-safe interface has been added to the
min_heap, along with the introduction of several new functions to
enhance its functionality. Additionally, the heap implementation for
bcache and bcachefs has been replaced with the generic min_heap
implementation from include/linux. Furthermore, several typos have been
corrected.

Previous discussion with Kent Overstreet:
https://lkml.kernel.org/ioyfizrzq7w7mjrqcadtzsfgpuntowtjdw5pgn4qhvsdp4mqqg@nrlek5vmisbu

Regards,
Kuan-Wei

---

You can preview this patch series on the 'refactor-heap-v2' branch of
the repository at the following link:

https://github.com/visitorckw/linux.git

Changes in v2:
- Add attribute __always_unused to the compare and swap functions
  that do not use the args parameter.
- Rename min_heapify() to min_heap_sift_down().
- Update lib/test_min_heap.c to use min_heap_init().
- Refine the commit message for bcache and bcachefs.
- Adjust the order of patches in the patch series.

Link to v1: https://lkml.kernel.org/20240319180005.246930-1-visitorckw@gmail.com

Kuan-Wei Chiu (15):
  perf/core: Fix several typos
  bcache: Fix typo
  bcachefs: Fix typo
  lib min_heap: Add type safe interface
  lib min_heap: Add min_heap_init()
  lib min_heap: Add min_heap_peek()
  lib min_heap: Add min_heap_full()
  lib min_heap: Add min_heap_del()
  lib min_heap: Add min_heap_sift_up()
  lib min_heap: Add args for min_heap_callbacks
  lib min_heap: Update min_heap_push() and min_heap_pop() to return bool
    values
  lib min_heap: Rename min_heapify() to min_heap_sift_down()
  lib/test_min_heap: Use min_heap_init() for initializing
  bcache: Remove heap-related macros and switch to generic min_heap
  bcachefs: Remove heap-related macros and switch to generic min_heap

 drivers/md/bcache/alloc.c      |  66 ++++++++----
 drivers/md/bcache/bcache.h     |   2 +-
 drivers/md/bcache/bset.c       |  73 ++++++++-----
 drivers/md/bcache/bset.h       |  38 ++++---
 drivers/md/bcache/btree.c      |  27 ++++-
 drivers/md/bcache/extents.c    |  44 ++++----
 drivers/md/bcache/movinggc.c   |  40 ++++++--
 drivers/md/bcache/super.c      |  16 +++
 drivers/md/bcache/sysfs.c      |   3 +
 drivers/md/bcache/util.c       |   2 +-
 drivers/md/bcache/util.h       |  81 +--------------
 drivers/md/dm-vdo/repair.c     |  29 +++---
 drivers/md/dm-vdo/slab-depot.c |  22 ++--
 fs/bcachefs/clock.c            |  53 +++++++---
 fs/bcachefs/clock_types.h      |   2 +-
 fs/bcachefs/ec.c               | 100 +++++++++++-------
 fs/bcachefs/ec_types.h         |   2 +-
 fs/bcachefs/util.c             |   2 +-
 fs/bcachefs/util.h             | 127 ++---------------------
 include/linux/min_heap.h       | 180 ++++++++++++++++++++++++++-------
 kernel/events/core.c           |  53 +++++-----
 lib/test_min_heap.c            |  70 ++++++-------
 22 files changed, 562 insertions(+), 470 deletions(-)

-- 
2.34.1