[Buildroot] [Bug 3475] New: Calling sync on large filesystems when not always necessary

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=3475

           Summary: Calling sync on large filesystems when not always
                    necessary
           Product: buildroot
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: orionrobots at gmail.com
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


When using build root to cross compile for other devices, especially when doing
many builds (multiple targets), on a CI system with 10s of gigs of ram and many
intermediate targets, then sync is not really desirable here.

The makedevs step makes a call to /bin/sync.

I am suggesting a "--nosync" be introduced so buildroot will not sync the
drives then? While of course preserving existing behaviour for the majority
that don't find any problems.

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