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This flag was added byfe0f07d08e("direct-io: only inc/deci inode->i_dio_count for file systems") as means to optimise the atomic modificaiton of the variable for blockdevices. However with the advent of542ff7bf18("block: new direct I/O implementation") it became unused. So let's remove it. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.