aa5ccf2917
In the cow path we will clone the reloc csums for relocated data extents, and if there's an error we already have an ordered extent and rely on the ordered extent finishing to clean everything up. There's a problem however, we don't mark the ordered extent with an error, we pretend like everything was just fine. If we were at the end of our range we won't actually bubble up this error anywhere, and we could end up inserting an extent that doesn't have csums where it should have them. Fix this by adding a helper to mark the ordered extent with an error, and then use this when we fail to lookup the csums in btrfs_reloc_clone_csums. Use this helper in the other place where we use the same pattern while we're here. This will prevent us from erroneously inserting the extent that doesn't have the required checksums. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Josef Bacik <josef@toxicpanda.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 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.