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46bac53529
bv_page can't be NULL in a valid bio_vec, so we can remove the NULL check, as we did in other places when calling bio_for_each_segment_all() to go through all bio_vec of a bio. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Xianting Tian <tian.xianting@h3c.com> Link: https://lore.kernel.org/r/20201020082201.34257-1-tian.xianting@h3c.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.