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a39484371d
Previously we had a BUG_ON() inside extent_range_clear_dirty_for_io(), as we expected all involved folios to be still locked, thus no folio should be missing. However for extent_range_clear_dirty_for_io() itself, we can skip the missing folio and handle the remaining ones, and return an error if there is anything wrong. Remove the BUG_ON() and let the caller to handle the error. In the caller we do not have a quick way to cleanup the error, but all the compression routines would handle the missing folio as an error and properly error out, so we only need to do an ASSERT() for developers, while for non-debug build the compression routine would handle the error correctly. Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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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 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.