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rpcrdma: Remove C structure definitions of XDR data items

Browse source 
Clean up: C-structure style XDR encoding and decoding logic has
been replaced over the past several merge windows on both the
client and server. These data structures are no longer used.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-10-30 16:21:57 -04:00 committed by Anna Schumaker
parent a4699f5647
commit 2232df5ece
3 changed files with 3 additions and 68 deletions
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59
include/linux/sunrpc/rpc_rdma.h
View file

@ -50,65 +50,6 @@ enum {
RPCRDMA_V1_DEF_INLINE_SIZE = 1024,
};
struct rpcrdma_segment {
__be32 rs_handle; /* Registered memory handle */
__be32 rs_length; /* Length of the chunk in bytes */
__be64 rs_offset; /* Chunk virtual address or offset */
};
/*
* read chunk(s), encoded as a linked list.
*/
struct rpcrdma_read_chunk {
__be32 rc_discrim; /* 1 indicates presence */
__be32 rc_position; /* Position in XDR stream */
struct rpcrdma_segment rc_target;
};
/*
* write chunk, and reply chunk.
*/
struct rpcrdma_write_chunk {
struct rpcrdma_segment wc_target;
};
/*
* write chunk(s), encoded as a counted array.
*/
struct rpcrdma_write_array {
__be32 wc_discrim; /* 1 indicates presence */
__be32 wc_nchunks; /* Array count */
struct rpcrdma_write_chunk wc_array[0];
};
struct rpcrdma_msg {
__be32 rm_xid; /* Mirrors the RPC header xid */
__be32 rm_vers; /* Version of this protocol */
__be32 rm_credit; /* Buffers requested/granted */
__be32 rm_type; /* Type of message (enum rpcrdma_proc) */
union {
struct { /* no chunks */
__be32 rm_empty[3]; /* 3 empty chunk lists */
} rm_nochunks;
struct { /* no chunks and padded */
__be32 rm_align; /* Padding alignment */
__be32 rm_thresh; /* Padding threshold */
__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;
};
/*
* XDR sizes, in quads
*/

6
net/sunrpc/xprtrdma/rpc_rdma.c
View file

@ -75,11 +75,11 @@ static unsigned int rpcrdma_max_call_header_size(unsigned int maxsegs)
/* Maximum Read list size */
maxsegs += 2; /* segment for head and tail buffers */
size = maxsegs * sizeof(struct rpcrdma_read_chunk);
size = maxsegs * rpcrdma_readchunk_maxsz * sizeof(__be32);
/* Minimal Read chunk size */
size += sizeof(__be32); /* segment count */
size += sizeof(struct rpcrdma_segment);
size += rpcrdma_segment_maxsz * sizeof(__be32);
size += sizeof(__be32); /* list discriminator */
dprintk("RPC: %s: max call header size = %u\n",
@ -102,7 +102,7 @@ static unsigned int rpcrdma_max_reply_header_size(unsigned int maxsegs)
/* Maximum Write list size */
maxsegs += 2; /* segment for head and tail buffers */
size = sizeof(__be32); /* segment count */
size += maxsegs * sizeof(struct rpcrdma_segment);
size += maxsegs * rpcrdma_segment_maxsz * sizeof(__be32);
size += sizeof(__be32); /* list discriminator */
dprintk("RPC: %s: max reply header size = %u\n",

6
net/sunrpc/xprtrdma/xprt_rdma.h
View file

@ -145,12 +145,6 @@ rdmab_lkey(struct rpcrdma_regbuf *rb)
return rb->rg_iov.lkey;
}
static inline struct rpcrdma_msg *
rdmab_to_msg(struct rpcrdma_regbuf *rb)
{
return (struct rpcrdma_msg *)rb->rg_base;
}
static inline struct ib_device *
rdmab_device(struct rpcrdma_regbuf *rb)
{