[AF_IUCV]: postpone receival of iucv-packets

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AF_IUCV socket programs may waste Linux storage, because af_iucv
allocates an skb whenever posted by the receive callback routine and
receives the message immediately.
Message receival is now postponed if data from previous callbacks has
not yet been transferred to the receiving socket program. Instead a
message handle is saved in a message queue as a reminder. Once
messages could be given to the receiving socket program, there is
an additional checking for entries in the message queue, followed
by skb allocation and message receival if applicable.

Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ursula Braun 2007-10-08 02:03:31 -07:00 • committed by David S. Miller

parent 57f2044803

commit f0703c80e5

2 changed files with 132 additions and 86 deletions

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7

include/net/iucv/af_iucv.h

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211

net/iucv/af_iucv.c

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