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1.Last valid cluster of inode table is EXT4_B2C(sbi, offset + sbi->s_itb_per_group - 1). We should make sure last valid cluster is < max_bit, i.e., EXT4_B2C(sbi, offset + sbi->s_itb_per_group - 1) is < max_bit rather than EXT4_B2C(sbi, offset + sbi->s_itb_per_group) is < max_bit. 2.Bit search length should be last valid cluster plus 1, i.e., EXT4_B2C(sbi, offset + sbi->s_itb_per_group - 1) + 1 rather than EXT4_B2C(sbi, offset + sbi->s_itb_per_group). Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Link: https://lore.kernel.org/r/20230221115919.1918161-3-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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.