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commit 9c89f604476cf15c31fbbdb043cff7fbf1dbe0cb upstream. Bitmap is used for the whole array for raid1/raid10, hence IO for the array can be used directly for bitmap. However, bitmap is used for underlying disks for raid5, hence IO for the array can't be used directly for bitmap. Implement pers->bitmap_sector() for raid5 to convert IO ranges from the array to the underlying disks. Signed-off-by: Yu Kuai <yukuai3@huawei.com> Link: https://lore.kernel.org/r/20250109015145.158868-5-yukuai1@huaweicloud.com Signed-off-by: Song Liu <song@kernel.org> [ Resolve minor conflicts ] Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.