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svcrdma: Refactor svc_rdma_init() and svc_rdma_clean_up()

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Setting up the proc variables is about to get more complicated.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-12-29 15:56:20 -05:00
parent 20ad856e47
commit 59a00257c6
1 changed files with 23 additions and 7 deletions
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28
net/sunrpc/xprtrdma/svc_rdma.c
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@ -224,27 +224,43 @@ static struct ctl_table svcrdma_root_table[] = {
{ }, { },
}; };
void svc_rdma_cleanup(void) static void svc_rdma_proc_cleanup(void)
{ {
dprintk("SVCRDMA Module Removed, deregister RPC RDMA transport\n"); if (!svcrdma_table_header)
if (svcrdma_table_header) { return;
unregister_sysctl_table(svcrdma_table_header); unregister_sysctl_table(svcrdma_table_header);
svcrdma_table_header = NULL; svcrdma_table_header = NULL;
} }
static int svc_rdma_proc_init(void)
{
if (svcrdma_table_header)
return 0;
svcrdma_table_header = register_sysctl_table(svcrdma_root_table);
return 0;
}
void svc_rdma_cleanup(void)
{
dprintk("SVCRDMA Module Removed, deregister RPC RDMA transport\n");
svc_unreg_xprt_class(&svc_rdma_class); svc_unreg_xprt_class(&svc_rdma_class);
svc_rdma_proc_cleanup();
} }
int svc_rdma_init(void) int svc_rdma_init(void)
{ {
int rc;
dprintk("SVCRDMA Module Init, register RPC RDMA transport\n"); dprintk("SVCRDMA Module Init, register RPC RDMA transport\n");
dprintk("\tsvcrdma_ord : %d\n", svcrdma_ord); dprintk("\tsvcrdma_ord : %d\n", svcrdma_ord);
dprintk("\tmax_requests : %u\n", svcrdma_max_requests); dprintk("\tmax_requests : %u\n", svcrdma_max_requests);
dprintk("\tmax_bc_requests : %u\n", svcrdma_max_bc_requests); dprintk("\tmax_bc_requests : %u\n", svcrdma_max_bc_requests);
dprintk("\tmax_inline : %d\n", svcrdma_max_req_size); dprintk("\tmax_inline : %d\n", svcrdma_max_req_size);
if (!svcrdma_table_header) rc = svc_rdma_proc_init();
svcrdma_table_header = if (rc)
register_sysctl_table(svcrdma_root_table); return rc;
/* Register RDMA with the SVC transport switch */ /* Register RDMA with the SVC transport switch */
svc_reg_xprt_class(&svc_rdma_class); svc_reg_xprt_class(&svc_rdma_class);