Re: [PATCH][RFC] splice support

[Jan Engelhardt]

>> OK..  Do you plan to make it reject unrecognised flags?
>
>Depends, not sure if eg a 'move' flag should be a hard or soft
>indication. Say we can't move a page and the caller asked us to migrate,
>we'd probably just do the sane thing and copy that one page. It would be
>silly to fail that request entirely.
>

Another bit in the flags:

enum {
    SPLICE_COPY       = 1 << 0,
    SPLICE_MOVE       = 1 << 1,
    SPLICE_MOVEORCOPY = 1 << 2, // fallback to copy if move fails
};


Jan Engelhardt
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