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SUNRPC: Add a flag to avoid reference counts on credentials

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Add a flag to signal to the RPC layer that the credential is already
pinned for the duration of the RPC call.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2020-02-07 19:11:12 -05:00
parent 1d179d6bd6
commit 7eac52648a
3 changed files with 6 additions and 3 deletions
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include/linux/sunrpc/sched.h
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@@ -132,6 +132,7 @@ struct rpc_task_setup {
#define RPC_TASK_TIMEOUT 0x1000 /* fail with ETIMEDOUT on timeout */
#define RPC_TASK_NOCONNECT 0x2000 /* return ENOTCONN if not connected */
#define RPC_TASK_NO_RETRANS_TIMEOUT 0x4000 /* wait forever for a reply */
#define RPC_TASK_CRED_NOREF 0x8000 /* No refcount on the credential */
#define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC)
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)