[ Version ( since = "1.19.39" ) ]
public int8 disk_has_backing_file (string filename) throws Error
return whether disk has a backing file
Detect and return whether the disk image filename has a backing file.
Note that detecting disk features can be insecure under some circumstances. See "CVE-2010-3851" in guestfs(3).
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A GuestfsSession object |
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the returned value, or -1 on error |