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Filipe Manana
534cf531cc
At clean_pinned_extents(), whether we end up returning success or failure, we pretty much have to do the same things: 1) unlock unused_bg_unpin_mutex 2) decrement reference count on the previous transaction We also call btrfs_dec_block_group_ro() in case of failure, but that is better done in its caller, btrfs_delete_unused_bgs(), since its the caller that calls inc_block_group_ro(), so it should be responsible for the decrement operation, as it is in case any of the other functions it calls fail. So move the call to btrfs_dec_block_group_ro() from clean_pinned_extents() into btrfs_delete_unused_bgs() and unify the error and success return paths for clean_pinned_extents(), reducing duplicated code and making it simpler. Signed-off-by: Filipe Manana <fdmanana@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.