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| author |   Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com> | 2010-09-29 18:33:41 -0700 |
|---|---|---|
| committer |   Eric Van Hensbergen <ericvh@gmail.com> | 2010-10-28 09:08:48 -0500 |
| commit | 52f44e0d08ff1a065bf06615483c608163575cb1 (patch) | |
| tree | 44292212cecafac6ed870812b882b9af545bdaa6 /fs/9p | |
| parent | [net/9p]Serialize virtqueue operations to make VirtIO transport SMP safe. (diff) | |
| download | linux-dev-52f44e0d08ff1a065bf06615483c608163575cb1.tar.xz linux-dev-52f44e0d08ff1a065bf06615483c608163575cb1.zip | |
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>
Diffstat (limited to 'fs/9p')
0 files changed, 0 insertions, 0 deletions