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SubjectRe: dd PATCH: add conv=direct
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Paul Eggert <eggert@CS.UCLA.EDU> writes:

> dd has new iflags= and oflags= options with the following flags:
>
> append append mode (makes sense for output file only)
> direct use direct I/O for data
> dsync use synchronized I/O for data
> sync likewise, but also for metadata
> nonblock use non-blocking I/O
> nofollow do not follow symlinks
> noctty do not assign controlling terminal from file

noctty definitely seems overkill... I can't see why dd would ever want
to open a file without O_NOCTTY. On systems where O_NOCTTY makes sense
(SvR4) that is.

Phil.
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