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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-13 17:03:59 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-08-16 22:10:15 +0300 |
| commit | 729749bb8da186e68d97d1b0439f0b1e0059c41d (patch) | |
| tree | c1d450aa081919168535f06755247f022a09a517 /include/linux/sunrpc/sched.h | |
| parent | 2ce209c42c01ca976ad680fea52a8e8b9a53643b (diff) | |
| download | linux-729749bb8da186e68d97d1b0439f0b1e0059c41d.tar.xz | |
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/sched.h')
| -rw-r--r-- | include/linux/sunrpc/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 50a99a117da7..c1768f9d993b 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -139,6 +139,8 @@ struct rpc_task_setup { #define RPC_TASK_RUNNING 0 #define RPC_TASK_QUEUED 1 #define RPC_TASK_ACTIVE 2 +#define RPC_TASK_MSG_RECV 3 +#define RPC_TASK_MSG_RECV_WAIT 4 #define RPC_IS_RUNNING(t) test_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) #define rpc_set_running(t) set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) |