linux-kernel - [PATCH 0/7] md: raid5,raid0,raid10: align bio to io

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Message-ID: <20251121051406.1316884-1-yukuai@fnnas.com>
Date: Fri, 21 Nov 2025 13:13:58 +0800
From: Yu Kuai <yukuai@...as.com>
To: song@...nel.org,
	yukuai@...as.com
Cc: linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linan122@...wei.com,
	xni@...hat.com
Subject: [PATCH 0/7] md: raid5,raid0,raid10: align bio to io_opt

Yu Kuai (7):
  md/raid5: use mempool to allocate stripe_request_ctx
  md/raid5: make sure max_sectors is not less than io_opt
  md: support to align bio to limits
  md: add a helper md_config_align_limits()
  md/raid5: align bio to io_opt
  md/raid10: align bio to io_opt
  md/raid0: align bio to io_opt

 drivers/md/md.c       | 46 ++++++++++++++++++++++++
 drivers/md/md.h       | 16 +++++++++
 drivers/md/raid0.c    |  2 ++
 drivers/md/raid1-10.c |  5 ---
 drivers/md/raid10.c   |  2 ++
 drivers/md/raid5.c    | 82 +++++++++++++++++++++++++++++--------------
 drivers/md/raid5.h    |  2 ++
 7 files changed, 124 insertions(+), 31 deletions(-)

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2.51.0