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When a Ceph volume hits capacity, a flag is set in the OSD map to indicate that, and a new map is sprayed around the cluster. With cephfs we want it to shut down any abortable requests that are in progress with an -ENOSPC error as they'd just hang otherwise. Add a new ceph_osdc_abort_on_full helper function to handle this. It will first check whether there is an out-of-space condition in the cluster and then walk the tree and abort any request that has r_abort_on_full set with a -ENOSPC error. Call this new function directly whenever we get a new OSD map. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.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.