diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-13 10:03:59 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-16 15:10:15 -0400 |
| commit | 729749bb8da186e68d97d1b0439f0b1e0059c41d (patch) | |
| tree | c1d450aa081919168535f06755247f022a09a517 /include/linux/sunrpc/xprt.h | |
| parent | 2ce209c42c01ca976ad680fea52a8e8b9a53643b (diff) | |
SUNRPC: Don't hold the transport lock across socket copy operations
Instead add a mechanism to ensure that the request doesn't disappear
from underneath us while copying from the socket. We do this by
preventing xprt_release() from freeing the XDR buffers until the
flag RPC_TASK_MSG_RECV has been cleared from the request.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/linux/sunrpc/xprt.h')
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index eab1c749e192..65b9e0224753 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -372,6 +372,8 @@ void xprt_write_space(struct rpc_xprt *xprt); void xprt_adjust_cwnd(struct rpc_xprt *xprt, struct rpc_task *task, int result); struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid); void xprt_complete_rqst(struct rpc_task *task, int copied); +void xprt_pin_rqst(struct rpc_rqst *req); +void xprt_unpin_rqst(struct rpc_rqst *req); void xprt_release_rqst_cong(struct rpc_task *task); void xprt_disconnect_done(struct rpc_xprt *xprt); void xprt_force_disconnect(struct rpc_xprt *xprt); |