Hi, Jens 在 2025/09/09 16:20, Yu Kuai 写道:
Hi, Jens Please consider pulling following changes on your for-6.18/block branch, this pull request contains: - add kconfig for internal bitmap; - introduce new experimental feature lockless bitmap; Thanks, Kuai
Please ignore the typo in tittle, it's md-6.18-20250909 :) Thanks, Kuai
The following changes since commit ba28afbd9eff2a6370f23ef4e6a036ab0cfda409: blk-mq: fix blk_mq_tags double free while nr_requests grown (2025-09-05 13:52:52 -0600) are available in the Git repository at: https://kernel.googlesource.com/pub/scm/linux/kernel/git/mdraid/linux.git tags/md-6.18-20250909 for you to fetch changes up to 5ab829f1971dc99f2aac10846c378e67fc875abc: md/md-llbitmap: introduce new lockless bitmap (2025-09-06 17:27:51 +0800) ---------------------------------------------------------------- Yu Kuai (24): md/md-bitmap: remove the parameter 'init' for bitmap_ops->resize() md/md-bitmap: merge md_bitmap_group into bitmap_operations md/md-bitmap: add a new parameter 'flush' to bitmap_ops->enabled md/md-bitmap: add md_bitmap_registered/enabled() helper md/md-bitmap: handle the case bitmap is not enabled before start_sync() md/md-bitmap: handle the case bitmap is not enabled before end_sync() md/raid1: check bitmap before behind write md/raid1: check before referencing mddev->bitmap_ops md/raid10: check before referencing mddev->bitmap_ops md/raid5: check before referencing mddev->bitmap_ops md/dm-raid: check before referencing mddev->bitmap_ops md: check before referencing mddev->bitmap_ops md/md-bitmap: introduce CONFIG_MD_BITMAP md: add a new parameter 'offset' to md_super_write() md: factor out a helper raid_is_456() md/md-bitmap: support discard for bitmap ops md: add a new mddev field 'bitmap_id' md/md-bitmap: add a new sysfs api bitmap_type md/md-bitmap: delay registration of bitmap_ops until creating bitmap md/md-bitmap: add a new method skip_sync_blocks() in bitmap_operations md/md-bitmap: add a new method blocks_synced() in bitmap_operations md: add a new recovery_flag MD_RECOVERY_LAZY_RECOVER md/md-bitmap: make method bitmap_ops->daemon_work optional md/md-llbitmap: introduce new lockless bitmap Documentation/admin-guide/md.rst | 86 +++++--- drivers/md/Kconfig | 29 +++ drivers/md/Makefile | 4 +- drivers/md/dm-raid.c | 18 +- drivers/md/md-bitmap.c | 89 ++++---- drivers/md/md-bitmap.h | 107 +++++++++- drivers/md/md-cluster.c | 2 +- drivers/md/md-llbitmap.c | 1626 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ drivers/md/md.c | 378 +++++++++++++++++++++++++++------- drivers/md/md.h | 24 ++- drivers/md/raid1-10.c | 2 +- drivers/md/raid1.c | 79 ++++--- drivers/md/raid10.c | 49 ++--- drivers/md/raid5.c | 64 ++++-- 14 files changed, 2313 insertions(+), 244 deletions(-) create mode 100644 drivers/md/md-llbitmap.c .
