diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-06-16 20:17:01 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-11 05:40:28 +0200 |
| commit | c44fe705530ff9ea5e563bf9b65bdd29defe682b (patch) | |
| tree | 8f4a7eaf29d5d6e1752f5807bc9e9e27d2256f67 /net/sunrpc/sched.c | |
| parent | SUNRPC: Add a per-rpc_clnt spinlock (diff) | |
| download | linux-c44fe705530ff9ea5e563bf9b65bdd29defe682b.tar.xz linux-c44fe705530ff9ea5e563bf9b65bdd29defe682b.zip | |
SUNRPC: Clean up tk_pid allocation and make it lockless
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/sched.c')
| -rw-r--r-- | net/sunrpc/sched.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index f56ebc5a08f7..0e9fbbd4f987 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -25,7 +25,6 @@ #ifdef RPC_DEBUG #define RPCDBG_FACILITY RPCDBG_SCHED #define RPC_TASK_MAGIC_ID 0xf00baa -static int rpc_task_id; #endif /* @@ -268,17 +267,26 @@ static int rpc_wait_bit_interruptible(void *word) return 0; } +#ifdef RPC_DEBUG +static void rpc_task_set_debuginfo(struct rpc_task *task) +{ + static atomic_t rpc_pid; + + task->tk_magic = RPC_TASK_MAGIC_ID; + task->tk_pid = atomic_inc_return(&rpc_pid); +} +#else +static inline void rpc_task_set_debuginfo(struct rpc_task *task) +{ +} +#endif + static void rpc_set_active(struct rpc_task *task) { struct rpc_clnt *clnt; if (test_and_set_bit(RPC_TASK_ACTIVE, &task->tk_runstate) != 0) return; -#ifdef RPC_DEBUG - task->tk_magic = RPC_TASK_MAGIC_ID; - spin_lock(&rpc_sched_lock); - task->tk_pid = rpc_task_id++; - spin_unlock(&rpc_sched_lock); -#endif + rpc_task_set_debuginfo(task); /* Add to global list of all tasks */ clnt = task->tk_client; if (clnt != NULL) { |