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ib_srpt: Make max_rsp_size writable

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3914 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2011-11-07 20:04:26 +00:00
parent aad2d7cb80
commit d393914d3d
2 changed files with 6 additions and 7 deletions
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12
srpt/src/ib_srpt.c
View File

@@ -99,7 +99,7 @@ MODULE_PARM_DESC(srp_max_req_size,
"Maximum size of SRP request messages in bytes.");
static unsigned int srp_max_rsp_size = DEFAULT_MAX_RSP_SIZE;
module_param(srp_max_rsp_size, int, 0444);
module_param(srp_max_rsp_size, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(srp_max_rsp_size,
"Maximum size of SRP response messages in bytes.");
@@ -804,7 +804,6 @@ static struct srpt_ioctx **srpt_alloc_ioctx_ring(struct srpt_device *sdev,
WARN_ON(ioctx_size != sizeof(struct srpt_recv_ioctx) &&
ioctx_size != sizeof(struct srpt_send_ioctx));
WARN_ON(dma_size != srp_max_req_size && dma_size != srp_max_rsp_size);
ring = kmalloc(ring_size * sizeof(ring[0]), GFP_KERNEL);
if (!ring)
@@ -836,8 +835,6 @@ static void srpt_free_ioctx_ring(struct srpt_ioctx **ioctx_ring,
{
int i;
WARN_ON(dma_size != srp_max_req_size && dma_size != srp_max_rsp_size);
for (i = 0; i < ring_size; ++i)
srpt_free_ioctx(sdev, ioctx_ring[i], dma_size, dir);
kfree(ioctx_ring);
@@ -2230,7 +2227,7 @@ static void srpt_free_ch(struct scst_session *sess)
srpt_free_ioctx_ring((struct srpt_ioctx **)ch->ioctx_ring,
sdev, ch->rq_size,
srp_max_rsp_size, DMA_TO_DEVICE);
ch->max_rsp_size, DMA_TO_DEVICE);
spin_lock_irq(&sdev->spinlock);
list_del(&ch->list);
@@ -2432,10 +2429,11 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
ch->state = CH_CONNECTING;
INIT_LIST_HEAD(&ch->cmd_wait_list);
init_waitqueue_head(&ch->state_wq);
ch->max_rsp_size = max_t(uint32_t, srp_max_rsp_size, MIN_MAX_RSP_SIZE);
ch->ioctx_ring = (struct srpt_send_ioctx **)
srpt_alloc_ioctx_ring(ch->sport->sdev, ch->rq_size,
sizeof(*ch->ioctx_ring[0]),
srp_max_rsp_size, DMA_TO_DEVICE);
ch->max_rsp_size, DMA_TO_DEVICE);
if (!ch->ioctx_ring)
goto free_ch;
@@ -2562,7 +2560,7 @@ destroy_ib:
free_ring:
srpt_free_ioctx_ring((struct srpt_ioctx **)ch->ioctx_ring,
ch->sport->sdev, ch->rq_size,
srp_max_rsp_size, DMA_TO_DEVICE);
ch->max_rsp_size, DMA_TO_DEVICE);
free_ch:
kfree(ch);

1
srpt/src/ib_srpt.h
View File

@@ -319,6 +319,7 @@ struct srpt_rdma_ch {
struct ib_cq *cq;
int rq_size;
int max_sge;
int max_rsp_size;
int sq_wr_avail;
struct srpt_port *sport;
u8 i_port_id[16];