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c06631b0d8
Unlike read time tree checker errors, write time error can't be inspected by "btrfs inspect dump-tree", so we need extra information to determine what's going wrong. The patch will add the following output for write time tree checker error: - The content of the offending tree block To help determining if it's a false alert. - Kernel WARN_ON() for debug build This is helpful for us to detect unexpected write time tree checker error, especially fstests could catch the dmesg. Since the WARN_ON() is only triggered for write time tree checker, test cases utilizing dm-error won't trigger this WARN_ON(), thus no extra noise. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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.