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-rw-r--r--net/rds/message.c24
1 files changed, 2 insertions, 22 deletions
diff --git a/net/rds/message.c b/net/rds/message.c
index 84f937f11d47..a84545dae370 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -106,8 +106,8 @@ void rds_message_populate_header(struct rds_header *hdr, __be16 sport,
106} 106}
107EXPORT_SYMBOL_GPL(rds_message_populate_header); 107EXPORT_SYMBOL_GPL(rds_message_populate_header);
108 108
109int rds_message_add_extension(struct rds_header *hdr, 109int rds_message_add_extension(struct rds_header *hdr, unsigned int type,
110 unsigned int type, const void *data, unsigned int len) 110 const void *data, unsigned int len)
111{ 111{
112 unsigned int ext_len = sizeof(u8) + len; 112 unsigned int ext_len = sizeof(u8) + len;
113 unsigned char *dst; 113 unsigned char *dst;
@@ -177,26 +177,6 @@ none:
177 return RDS_EXTHDR_NONE; 177 return RDS_EXTHDR_NONE;
178} 178}
179 179
180int rds_message_add_version_extension(struct rds_header *hdr, unsigned int version)
181{
182 struct rds_ext_header_version ext_hdr;
183
184 ext_hdr.h_version = cpu_to_be32(version);
185 return rds_message_add_extension(hdr, RDS_EXTHDR_VERSION, &ext_hdr, sizeof(ext_hdr));
186}
187
188int rds_message_get_version_extension(struct rds_header *hdr, unsigned int *version)
189{
190 struct rds_ext_header_version ext_hdr;
191 unsigned int pos = 0, len = sizeof(ext_hdr);
192
193 /* We assume the version extension is the only one present */
194 if (rds_message_next_extension(hdr, &pos, &ext_hdr, &len) != RDS_EXTHDR_VERSION)
195 return 0;
196 *version = be32_to_cpu(ext_hdr.h_version);
197 return 1;
198}
199
200int rds_message_add_rdma_dest_extension(struct rds_header *hdr, u32 r_key, u32 offset) 180int rds_message_add_rdma_dest_extension(struct rds_header *hdr, u32 r_key, u32 offset)
201{ 181{
202 struct rds_ext_header_rdma_dest ext_hdr; 182 struct rds_ext_header_rdma_dest ext_hdr;