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(parent: efd81e9) | patch
xprtrdma: Return -ENOBUFS when no pages are available
authorChuck Lever <chuck.lever@oracle.com>
Fri, 4 May 2018 19:35:46 +0000 (15:35 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Fri, 1 Jun 2018 17:56:30 +0000 (13:56 -0400)
commita8f688ec437dc2045cc8f0c89fe877d5803850da
treea558fb60f62e84305a9049d0c4cc0df5e55d495atree | snapshot
parentefd81e90d3f719a2a7fd696c9ed0247e1cae1b7ccommit | diff
xprtrdma: Return -ENOBUFS when no pages are available

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: 7a89f9c626e3 ("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>
net/sunrpc/xprtrdma/rpc_rdma.c diff | blob | history