Re: fsync for only part of a file

wrstuden-DZEk9q7Sfju/3pe1ocb+swC/[email protected] writes:

> I'd like to add a version of fsync(2) which only synchronizes part of the
> on disk and in-core data of a file. I am soliciting input on the name of
> this call, and the general format of the functionality.
>
> The best name so far for the functionality is fsync2(2). Suggestions on a
> better name are appreciated.
>
> The proposed signature I have in mind is:
>
> int fsync2(int fd, off_t start, size_t run);

Some general API concern: you want to make the run argument an off_t
as well since we're dealing with _file_ offsets after all.  For a
precedent, check out fcntl(2)'s struct flock.


- Klaus

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