On Wed, Jun 07, 2006 at 07:10:56AM -0700, Andrzej Butkiewicz wrote:
> I suppose that could be work on this way: zfs receive a command to
> write part of the block, e.g. last 8kB in 32kB block. Next, instead
> that read-modify-write we write modify information into the cache and
> wait for next modification of this block. If any next write-command
> will fill all parts of the block we will could write whole block
> without reading it.
Yep, that pretty much describes this bug:
5035516 Overwrites should not require synchronous reads
--matt
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