| Date | Sun, 29 Apr 2007 22:25:59 -0700 | From | Chris Wedgwood <> | Subject | Re: [PATCH 0/5] fallocate system call |
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On Mon, Apr 30, 2007 at 10:47:02AM +1000, David Chinner wrote:
> For FA_ALLOCATE, it's supposed to change the file size if we > allocate past EOF, right?
I would argue no. Use truncate for that.
> For FA_DEALLOCATE, does it change the filesize at all?
Same as above.
> Or does > it just punch a hole in the file?
Yes.
> FWIW, we definitely need a FA_PREALLOCATE mode (FA_ALLOCATE but does > not change file size) so we can preallocate beyond EOF for apps > which use O_APPEND (i.e. changing file size would cause problems for > them).
FA_ALLOCATE should be able to allocate past-EOF I would argue. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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