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27663d7784
Bcachefs often uses this function to divide by nanosecond times - which can easily cause problems when cast to u32. For example, `cat /sys/fs/bcachefs/*/internal/rebalance_status` would return invalid data in the `duration waited` field because dividing by the number of nanoseconds in a minute requires the divisor parameter to be u64. Signed-off-by: Reed Riley <reed@riley.engineer> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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 reStructuredText 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.