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fb457c5c0c
virStorageFileIsSharedFS would previously only work if the entire path in question was stat'able by the uid of the libvirtd process. This patch changes it to crawl backwards up the path retrying the statfs call until it gets to a partial path that *can* be stat'ed. This is necessary to use the function to learn the fstype for files stored as a different user (and readable only by that user) on a root-squashed remote filesystem.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>