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27f0afc737
Most callers of free_bitmap() only call it if bitmap_info->bytes is 0. However, there are certain cases where we may free the free space cache via __btrfs_remove_free_space_cache(). This exposes a path where free_bitmap() is called regardless. This may result in a bad accounting situation for discardable_bytes and discardable_extents. So, remove the stats and call btrfs_discard_update_discardable(). Signed-off-by: Dennis Zhou <dennis@kernel.org> 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.