From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Wed, 17 Jun 2009 21:54:48 +0000 (+0000)
Subject: af_iucv: Return -EAGAIN if iucv msg limit is exceeded
X-Git-Tag: v2.6.31-rc1~63^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ea920d211e0a870871965418923b08da2025b4a;p=pandora-kernel.git

af_iucv: Return -EAGAIN if iucv msg limit is exceeded

If the iucv message limit for a communication path is exceeded,
sendmsg() returns -EAGAIN instead of -EPIPE.
The calling application can then handle this error situtation,
e.g. to try again after waiting some time.

For blocking sockets, sendmsg() waits up to the socket timeout
before returning -EAGAIN. For the new wait condition, a macro
has been introduced and the iucv_sock_wait_state() has been
refactored to this macro.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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