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1bc84b0a08
Similar to the openflags VIR_STORAGE_VOL_OPEN_NOERROR processing, if some read processing operation fails, check the readflags for the corresponding error flag being set. If so, rather then causing an error - use VIR_WARN to flag the error, but return -2 which some callers can use to perform specific actions. Use a new VIR_STORAGE_VOL_READ_NOERROR flag in a new VolReadErrorMode enum.
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>