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(parent: 419b395) | patch
net/9p: Add waitq to VirtIO transport.
authorVenkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>
Thu, 30 Sep 2010 01:33:41 +0000 (18:33 -0700)
committerEric Van Hensbergen <ericvh@gmail.com>
Thu, 28 Oct 2010 14:08:48 +0000 (09:08 -0500)
commit52f44e0d08ff1a065bf06615483c608163575cb1
tree44292212cecafac6ed870812b882b9af545bdaa6tree | snapshot (tar.gz zip)
parent419b39561e698d73a42f8010655d22e0134486dacommit | 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>
net/9p/client.c diff | blob | blame | history
net/9p/trans_virtio.c diff | blob | blame | history