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| author |   Chuck Lever <chuck.lever@oracle.com> | 2019-04-24 09:39:42 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-04-25 15:19:26 -0400 |
| commit | 4ba02e8d0ea5461d0e55e76c91481f1153f63365 (patch) | |
| tree | 031a0313b77534130a34868f3ea7ed4079b09ce1 /net/sunrpc | |
| parent | xprtrdma: Backchannel can use GFP_KERNEL allocations (diff) | |
| download | linux-dev-4ba02e8d0ea5461d0e55e76c91481f1153f63365.tar.xz linux-dev-4ba02e8d0ea5461d0e55e76c91481f1153f63365.zip | |
xprtrdma: Increase maximum number of backchannel requests
Reflects the change introduced in commit 067c46967160 ("NFSv4.1:
Bump the default callback session slot count to 16").
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index b942c9d322a7..7621e2d0f107 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -103,12 +103,14 @@ struct rpcrdma_ep { /* Pre-allocate extra Work Requests for handling backward receives * and sends. This is a fixed value because the Work Queues are - * allocated when the forward channel is set up. + * allocated when the forward channel is set up, long before the + * backchannel is provisioned. This value is two times + * NFS4_DEF_CB_SLOT_TABLE_SIZE. */ #if defined(CONFIG_SUNRPC_BACKCHANNEL) -#define RPCRDMA_BACKWARD_WRS (8) +#define RPCRDMA_BACKWARD_WRS (32) #else -#define RPCRDMA_BACKWARD_WRS (0) +#define RPCRDMA_BACKWARD_WRS (0) #endif /* Registered buffer -- registered kmalloc'd memory for RDMA SEND/RECV |