xprtrdma: Return -ENOBUFS when no pages are available

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The use of -EAGAIN in rpcrdma_convert_iovs() is a latent bug: the
transport never calls xprt_write_space() when more pages become
available. -ENOBUFS will trigger the correct "delay briefly and call
again" logic.

Fixes: 7a89f9c626 ("xprtrdma: Honor ->send_request API contract")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Chuck Lever 2018-05-04 15:35:46 -04:00 • committed by Anna Schumaker

parent efd81e90d3

commit a8f688ec43

1 changed files with 1 additions and 1 deletions

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net/sunrpc/xprtrdma/rpc_rdma.c

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