Re: [PATCH] zerocopy NFS updated

From: Chris Wedgwood (cw@f00f.org)
Date: Sun Apr 14 2002 - 03:19:46 EST


On Sun, Apr 14, 2002 at 10:07:56AM +1000, Keith Owens wrote:

    Write in append mode must be atomic in the kernel. Whether a user
    space write in append mode is atomic or not depends on how many
    write() syscalls it takes to pass the data into the kernel. Each
    write() append will be atomic but multiple writes can be
    interleaved.

Up to what size? I assume I cannot assume O_APPEND atomicity for
(say) 100M writes?

  --cw
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