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When a writeback error occurs, we want later callers to be able to pick up that fact when they go to wait on that writeback to complete. Traditionally, we've used AS_EIO/AS_ENOSPC flags to track that, but that's problematic since only one "checker" will be informed when an error occurs. In later patches, we're going to want to convert many of these callers to check for errors since a well-defined point in time. For now, ensure that we can handle both sorts of checks by both setting errors in both places when there is a writeback failure. Signed-off-by: Jeff Layton <jlayton@redhat.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.