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75377ae754
Use submit_bio_wait() instead of hand-rolling our own synchronous wait. Also allocate the BIO on the stack since we're not deep in the call stack at this point. There's no need to kmap the page, since it isn't allocated from HIGHMEM. Turn the GFP_NOFS allocation into GFP_KERNEL; if the page allocator enters reclaim, we cannot be called as the filesystem has not yet been initialised and so has no pages to reclaim. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> |
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| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
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| .clang-format | ||
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| .get_maintainer.ignore | ||
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| README | ||
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.