On 03/14/2018 04:07 PM, Nir Soffer wrote:
What is the use case for flushing ranges? I guess we will have one
or few flushes per images.
Looking at sync_file_range(2), it does not seem to be a safe way to
flush:
Wow - I didn't know there was a syscall for flushing ranges. Even if it
is unusable for our purposes given the warnings in its documentation,
and unneeded since neither qemu nor NBD flush by ranges.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
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