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    tipc: Fix issues with fragmentation of an existing message buffer · 77561557
    Allan Stephens 提交于
    Modifies the routine that fragments an existing message buffer to
    use similar logic to that used when generating fragments from an iovec.
    The routine now creates a complete chain of fragments and adds them to
    the link transmit queue as a unit, so that the link sends all fragments
    or none; this prevents the incomplete transmission of a fragmented
    message that might otherwise result because of link congestion or
    memory exhaustion. This change also ensures that the counter recording
    the number of fragmented messages sent by the link is now incremented
    only if the message is actually sent.
    Signed-off-by: NAllan Stephens <allan.stephens@windriver.com>
    Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
    77561557
link.c 77.9 KB