diff options
author | Chuck Lever <chuck.lever@oracle.com> | 2016-09-15 17:55:29 +0300 |
---|---|---|
committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-19 20:08:37 +0300 |
commit | 3435c74aed2d7b743ccbf34616c523ebee7be943 (patch) | |
tree | 7f0c96c886f2d0e4992508fb79a7b2ab3c05dc6b /net/sunrpc/sched.c | |
parent | 5fe6eaa1f9a00b9a5927e3b791ecad2f3eaab130 (diff) | |
download | linux-3435c74aed2d7b743ccbf34616c523ebee7be943.tar.xz |
SUNRPC: Generalize the RPC buffer release API
xprtrdma needs to allocate the Call and Reply buffers separately.
TBH, the reliance on using a single buffer for the pair of XDR
buffers is transport implementation-specific.
Instead of passing just the rq_buffer into the buf_free method, pass
the task structure and let buf_free take care of freeing both
XDR buffers at once.
There's a micro-optimization here. In the common case, both
xprt_release and the transport's buf_free method were checking if
rq_buffer was NULL. Now the check is done only once per RPC.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/sched.c')
-rw-r--r-- | net/sunrpc/sched.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index b964d40b259b..6690ebc774ed 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -896,18 +896,16 @@ int rpc_malloc(struct rpc_task *task) EXPORT_SYMBOL_GPL(rpc_malloc); /** - * rpc_free - free buffer allocated via rpc_malloc - * @buffer: buffer to free + * rpc_free - free RPC buffer resources allocated via rpc_malloc + * @task: RPC task * */ -void rpc_free(void *buffer) +void rpc_free(struct rpc_task *task) { + void *buffer = task->tk_rqstp->rq_buffer; size_t size; struct rpc_buffer *buf; - if (!buffer) - return; - buf = container_of(buffer, struct rpc_buffer, data); size = buf->len; |