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bio_get/set is necessary only if the bio is going to be referenced following submissions. In the code paths where such calls are made we don't really need them since the bio is referenced only if btrfs_map_bio returns an error. And this function can return an error prior to submission only. So referencing the bio is safe. Furthermore we do call bio_endio which will consume the last reference. So let's remove the redundant calls. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.