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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-15 20:17:12 +0100
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 08:06:10 +0100
commitf3c391e89c92651105364c6645244118ec9b3952 (patch)
tree248ea7f3f5244b4f00acc8b1f36c57324b61ff31 /scripts/Kbuild.include
parentSUNRPC: Don't bother changing the sigmask for asynchronous RPC calls (diff)
downloadlinux-f3c391e89c92651105364c6645244118ec9b3952.tar.xz
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NFS: Optimise away the sigmask code in aio/dio reads and writes
There are no interruptible waits for asynchronous RPC tasks, so we don't need to wrap calls to rpc_run_task() with an rpc_clnt_sigmask/rpc_clnt_unsigmask pair. Instead we can wrap the wait_for_completion_interruptible() in nfs_direct_wait(). This means that we completely optimise away sigmask setting for the case of non-blocking aio/dio. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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