Hi Jim,
On Wed, Jan 26, 2011 at 10:50:46AM -0800, Cathey, Jim wrote:
> The 'errors' EBUSY and EAGAIN are _temporary_ conditions,
> often the correct response is to try again. (Even EACCESS,
> ENOSPC, EEXIST, etc. could be considered temporary, depending
> on circumstances, and a delayed retry could be considered the
> right thing to do. Not commonly, of course.) Nowhere I know
> of is it required that a retry be exactly the same as a
> rejected attempt, one could even argue that trying it again
> a different way might even be superior under certain conditions.
> (Not, of course, when speaking to devices that have blocking
> requirements, whether advertised or unadvertised.)
OK. But this should at least be consistent. That is, if you retry the IO
operation, do the full IO, not just the first byte.
baruch
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