On Fri, 02 Mar 2007 08:13:00 -0800 Badari Pulavarty <pbadari@xxxxxxxxxx> wrote: > > > > > What about > > > if the > > > blocks already exists ? What would be return values in those cases ? > > > > 0 on success, other normal errors oetherwise.. > > > > If asked for a range that includes already-allocated blocks, you just > > allocate any non-allocated blocks in the range, I think. > > Yes. What I was trying to figure out is, if there is a requirement that > interface need to return exact number of bytes it *really* allocated > (like write() or read()). I can't think of any, but just wanted to > through it out.. Hopefully not, because posix didn't anticipate that. We could of course return a positive number on success, but it'd get tricky on 32-bit machines. > BTW, what is the interface for finding out what is the size of the > pre-allocated file ? stat.st_blocks? - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
