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xprtrdma: Properly handle RDMA_ERROR replies

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These are shorter than RPCRDMA_HDRLEN_MIN, and they need to
complete the waiting RPC.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2016-03-04 11:28:18 -05:00 • committed by Anna Schumaker
parent d8647f2d3c
commit 59aa1f9a3c
2 changed files with 49 additions and 13 deletions
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11
include/linux/sunrpc/rpc_rdma.h
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@ -93,6 +93,12 @@ struct rpcrdma_msg {
__be32 rm_pempty[3]; /* 3 empty chunk lists */
} rm_padded;
struct {
__be32 rm_err;
__be32 rm_vers_low;
__be32 rm_vers_high;
} rm_error;
__be32 rm_chunks[0]; /* read, write and reply chunks */
} rm_body;
@ -109,11 +115,6 @@ enum rpcrdma_errcode {
ERR_CHUNK = 2
};
struct rpcrdma_err_vers {
uint32_t rdma_vers_low; /* Version range supported by peer */
uint32_t rdma_vers_high;
};
enum rpcrdma_proc {
RDMA_MSG = 0, /* An RPC call or reply msg */
RDMA_NOMSG = 1, /* An RPC call or reply msg - separate body */