diff options
| author | J. Bruce Fields <bfields@citi.umich.edu> | 2007-07-11 18:39:02 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-19 15:21:39 -0400 |
| commit | be879c4e249a8875d7129f3b0c1bb62584dafbd8 (patch) | |
| tree | 6d6d774ac4dd24ff280e83e1d6a65be29a6dc6f8 /net/sunrpc | |
| parent | e3a535e1739a9da3cc316ccdfe5cd4bf84d745ac (diff) | |
SUNRPC: move bkl locking and xdr proc invocation into a common helper
Since every invocation of xdr encode or decode functions takes the BKL now,
there's a lot of redundant lock_kernel/unlock_kernel pairs that we can pull
out into a common function.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth.c | 13 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 21 |
2 files changed, 7 insertions, 27 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 29a8ecc60928..1ea27559b1de 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -13,7 +13,6 @@ #include <linux/errno.h> #include <linux/sunrpc/clnt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #ifdef RPC_DEBUG # define RPCDBG_FACILITY RPCDBG_AUTH @@ -476,17 +475,13 @@ rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, __be32 *data, void *obj) { struct rpc_cred *cred = task->tk_msg.rpc_cred; - int ret; dprintk("RPC: %5u using %s cred %p to wrap rpc data\n", task->tk_pid, cred->cr_ops->cr_name, cred); if (cred->cr_ops->crwrap_req) return cred->cr_ops->crwrap_req(task, encode, rqstp, data, obj); /* By default, we encode the arguments normally. */ - lock_kernel(); - ret = encode(rqstp, data, obj); - unlock_kernel(); - return ret; + return rpc_call_xdrproc(encode, rqstp, data, obj); } int @@ -494,7 +489,6 @@ rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, __be32 *data, void *obj) { struct rpc_cred *cred = task->tk_msg.rpc_cred; - int ret; dprintk("RPC: %5u using %s cred %p to unwrap rpc data\n", task->tk_pid, cred->cr_ops->cr_name, cred); @@ -502,10 +496,7 @@ rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, return cred->cr_ops->crunwrap_resp(task, decode, rqstp, data, obj); /* By default, we decode the arguments normally. */ - lock_kernel(); - ret = decode(rqstp, data, obj); - unlock_kernel(); - return ret; + return rpc_call_xdrproc(decode, rqstp, data, obj); } int diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index abfda33bac64..4bbc59cc237c 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -43,7 +43,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/auth.h> @@ -1000,9 +999,7 @@ gss_wrap_req_integ(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base; *p++ = htonl(rqstp->rq_seqno); - lock_kernel(); - status = encode(rqstp, p, obj); - unlock_kernel(); + status = rpc_call_xdrproc(encode, rqstp, p, obj); if (status) return status; @@ -1096,9 +1093,7 @@ gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base; *p++ = htonl(rqstp->rq_seqno); - lock_kernel(); - status = encode(rqstp, p, obj); - unlock_kernel(); + status = rpc_call_xdrproc(encode, rqstp, p, obj); if (status) return status; @@ -1157,16 +1152,12 @@ gss_wrap_req(struct rpc_task *task, /* The spec seems a little ambiguous here, but I think that not * wrapping context destruction requests makes the most sense. */ - lock_kernel(); - status = encode(rqstp, p, obj); - unlock_kernel(); + status = rpc_call_xdrproc(encode, rqstp, p, obj); goto out; } switch (gss_cred->gc_service) { case RPC_GSS_SVC_NONE: - lock_kernel(); - status = encode(rqstp, p, obj); - unlock_kernel(); + status = rpc_call_xdrproc(encode, rqstp, p, obj); break; case RPC_GSS_SVC_INTEGRITY: status = gss_wrap_req_integ(cred, ctx, encode, @@ -1282,9 +1273,7 @@ gss_unwrap_resp(struct rpc_task *task, cred->cr_auth->au_rslack = cred->cr_auth->au_verfsize + (p - savedp) + (savedlen - head->iov_len); out_decode: - lock_kernel(); - status = decode(rqstp, p, obj); - unlock_kernel(); + status = rpc_call_xdrproc(decode, rqstp, p, obj); out: gss_put_ctx(ctx); dprintk("RPC: %5u gss_unwrap_resp returning %d\n", task->tk_pid, |