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set unix.MS_BIND flag for bind mount #1799

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set unix.MS_BIND flag for bind mount #1799

wants to merge 1 commit into from

Commits on May 8, 2018

  1. set unix.MS_BIND flag for bind mount 

    always set unix.MS_BIND flag for bind mount, this fixs a error reporting
"no such device" with following  mount configration, which is similar to
mount --bind oldidr newdir

{
     "destination": "/host_dir",
     "type": "bind",
     "source": "host_dir"
}

Without this change, we always have to set the "options":
["rbind"], which will add the flag unix.MS_BIND in parseMountOptions.

Alternative fix is to add option "bind" to Mount.Options when it is bind
mount so the right flag can be set in parseMountOptions.

Signed-off-by: Bin Chen <nk@devicu.com>
    @binchenX
    binchenX committed May 8, 2018
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