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    SubjectRe: TCP push missing with writev()
    On Thu, Nov 30, 2000 at 05:35:41PM +0000, Ben Mansell wrote:
    > (possibly treading on ground covered before:
    > http://www.uwsg.iu.edu/hypermail/linux/kernel/9904.1/0304.html )
    >
    > To be brief and to the point: Should there be any difference between the
    > following two ways of writing data to a TCP socket?
    >
    > 1) write( fd, buffer, length )
    > 2) writev( fd, {buffer, length}, {NULL,0} )

    No.

    >
    > The problem is that if data happens to be written via method (2), then
    > the PUSH flag is never set on any packets generated. This is a bug,
    > surely?

    I just tried it on 2.2.17 and 2.4.0test11 and it sets PUSH for writev()
    for both cases just fine. Maybe you could supply a test program and tcpdump
    logs for what you think is wrong ?

    -Andi
    -
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