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grow_dev_page() is only called by grow_buffers(). grow_buffers() is only called by __getblk_slow() and __getblk_slow() is only called from __getblk_gfp(), so it is safe to move the GFP flags setting all the way up. With that done, add a new bdev_getblk() entry point that leaves the GFP flags the way the caller specified them. [willy@infradead.org: fix grow_dev_page() error handling] Link: https://lkml.kernel.org/r/ZRREEIwqiy5DijKB@casper.infradead.org Link: https://lkml.kernel.org/r/20230914150011.843330-3-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Hui Zhu <teawater@antgroup.com> Cc: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.