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[ Upstream commitd8b3df8b10] Surprisingly, `block' in sector_t indicates the number of i_blkbits-sized blocks rather than sectors for bmap. In addition, considering buffer_head limits mapped size to 32-bits, should avoid using generic_block_bmap. Link: https://lore.kernel.org/r/20201209115740.18802-1-huangjianan@oppo.com Fixes:9da681e017("staging: erofs: support bmap") Reviewed-by: Chao Yu <yuchao0@huawei.com> Reviewed-by: Gao Xiang <hsiangkao@redhat.com> Signed-off-by: Huang Jianan <huangjianan@oppo.com> Signed-off-by: Guo Weichao <guoweichao@oppo.com> [ Gao Xiang: slightly update the commit message description. ] Signed-off-by: Gao Xiang <hsiangkao@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.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.