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authorVenkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>2010-09-29 18:33:41 -0700
committerEric Van Hensbergen <ericvh@gmail.com>2010-10-28 09:08:48 -0500
commit52f44e0d08ff1a065bf06615483c608163575cb1 (patch)
tree44292212cecafac6ed870812b882b9af545bdaa6 /init
parent419b39561e698d73a42f8010655d22e0134486da (diff)
net/9p: Add waitq to VirtIO transport.
If there is not enough space for the PDU on the VirtIO ring, current code returns -EIO propagating the error to user. This patch introduced a wqit_queue on the channel, and lets the process wait on this queue until VirtIO ring frees up. Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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