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Merge branch 'for-4.2-misc' into k.o/for-4.2

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This commit is contained in:
Doug Ledford
2015-06-02 09:33:22 -04:00
parent 73cdaaeed1 1156256811
commit b806ef3bbe
10 changed files with 47 additions and 18 deletions
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17
net/rds/ib_send.c
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@@ -571,6 +571,8 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
}
rds_message_addref(rm);
rm->data.op_dmasg = 0;
rm->data.op_dmaoff = 0;
ic->i_data_op = &rm->data;
/* Finalize the header */
@@ -624,7 +626,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
first = send;
prev = NULL;
scat = &ic->i_data_op->op_sg[sg];
scat = &ic->i_data_op->op_sg[rm->data.op_dmasg];
i = 0;
do {
unsigned int len = 0;
@@ -646,17 +648,20 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
/* Set up the data, if present */
if (i < work_alloc
&& scat != &rm->data.op_sg[rm->data.op_count]) {
len = min(RDS_FRAG_SIZE, ib_sg_dma_len(dev, scat) - off);
len = min(RDS_FRAG_SIZE,
ib_sg_dma_len(dev, scat) - rm->data.op_dmaoff);
send->s_wr.num_sge = 2;
send->s_sge[1].addr = ib_sg_dma_address(dev, scat) + off;
send->s_sge[1].addr = ib_sg_dma_address(dev, scat);
send->s_sge[1].addr += rm->data.op_dmaoff;
send->s_sge[1].length = len;
bytes_sent += len;
off += len;
if (off == ib_sg_dma_len(dev, scat)) {
rm->data.op_dmaoff += len;
if (rm->data.op_dmaoff == ib_sg_dma_len(dev, scat)) {
scat++;
off = 0;
rm->data.op_dmasg++;
rm->data.op_dmaoff = 0;
}
}

18
net/rds/iw_send.c
View File

@@ -581,6 +581,8 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
ic->i_unsignaled_wrs = rds_iw_sysctl_max_unsig_wrs;
ic->i_unsignaled_bytes = rds_iw_sysctl_max_unsig_bytes;
rds_message_addref(rm);
rm->data.op_dmasg = 0;
rm->data.op_dmaoff = 0;
ic->i_rm = rm;
/* Finalize the header */
@@ -622,7 +624,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
first = send;
prev = NULL;
scat = &rm->data.op_sg[sg];
scat = &rm->data.op_sg[rm->data.op_dmasg];
sent = 0;
i = 0;
@@ -656,10 +658,11 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
send = &ic->i_sends[pos];
len = min(RDS_FRAG_SIZE, ib_sg_dma_len(dev, scat) - off);
len = min(RDS_FRAG_SIZE,
ib_sg_dma_len(dev, scat) - rm->data.op_dmaoff);
rds_iw_xmit_populate_wr(ic, send, pos,
ib_sg_dma_address(dev, scat) + off, len,
send_flags);
ib_sg_dma_address(dev, scat) + rm->data.op_dmaoff, len,
send_flags);
/*
* We want to delay signaling completions just enough to get
@@ -687,10 +690,11 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
&send->s_wr, send->s_wr.num_sge, send->s_wr.next);
sent += len;
off += len;
if (off == ib_sg_dma_len(dev, scat)) {
rm->data.op_dmaoff += len;
if (rm->data.op_dmaoff == ib_sg_dma_len(dev, scat)) {
scat++;
off = 0;
rm->data.op_dmaoff = 0;
rm->data.op_dmasg++;
}
add_header:

2
net/rds/rds.h
View File

@@ -363,6 +363,8 @@ struct rds_message {
unsigned int op_active:1;
unsigned int op_nents;
unsigned int op_count;
unsigned int op_dmasg;
unsigned int op_dmaoff;
struct scatterlist *op_sg;
} data;
};