[PATCH v2 md-6.14 00/12] md/md-bitmap: introducet CONFIG_MD_BITMAP

From: Yu Kuai
Date: Wed Jan 08 2025 - 21:02:25 EST


From: Yu Kuai <yukuai3@xxxxxxxxxx>

Changes in v2:
- don't export apis, and don't support build md-bitmap as module

Yu Kuai (12):
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 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/dm-raid: check if bitmap is registered in raid_ctr()
md/raid1: check bitmap before behind write
md/raid1: check before deferencing mddev->bitmap_ops
md/raid10: check before deferencing mddev->bitmap_ops
md/raid5: check before deferencing mddev->bitmap_ops
md: check before deferencing mddev->bitmap_ops
md/md-bitmap: introducet CONFIG_MD_BITMAP

drivers/md/Kconfig | 18 +++++
drivers/md/dm-raid.c | 5 +-
drivers/md/md-bitmap.c | 65 ++++++++---------
drivers/md/md-bitmap.h | 66 +++++++++++++++--
drivers/md/md-cluster.c | 2 +-
drivers/md/md.c | 154 +++++++++++++++++++++++++++++++---------
drivers/md/md.h | 2 -
drivers/md/raid1-10.c | 2 +-
drivers/md/raid1.c | 79 ++++++++++++---------
drivers/md/raid10.c | 48 ++++++-------
drivers/md/raid5.c | 30 ++++----
11 files changed, 325 insertions(+), 146 deletions(-)

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2.39.2