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4e19438400
We can get errors in walk_down_proc as we try and lookup extent info for the snapshot dropping to act on. However if we get an error we simply return 1 which indicates we're done with walking down, which will lead us to improperly continue with the snapshot drop with the incorrect information. Instead break if we get any error from walk_down_proc or do_walk_down, and handle the case of ret == 1 by returning 0, otherwise return the ret value that we have. Signed-off-by: Josef Bacik <josef@toxicpanda.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.