[PATCH 04/11] sched/wait,afs: Replace wait_on_atomic_t usage

From: Peter Zijlstra
Date: Thu Mar 15 2018 - 08:36:03 EST


Convert the wait_on_atomic_t() usage to the new wait_var_event() API.

Cc: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
fs/afs/cell.c | 6 +++---
fs/afs/rxrpc.c | 6 +++---
fs/afs/server.c | 6 +++---
3 files changed, 9 insertions(+), 9 deletions(-)

--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -25,7 +25,7 @@ static void afs_manage_cell(struct work_
static void afs_dec_cells_outstanding(struct afs_net *net)
{
if (atomic_dec_and_test(&net->cells_outstanding))
- wake_up_atomic_t(&net->cells_outstanding);
+ wake_up_var(&net->cells_outstanding);
}

/*
@@ -764,7 +764,7 @@ void afs_cell_purge(struct afs_net *net)
afs_queue_cell_manager(net);

_debug("wait");
- wait_on_atomic_t(&net->cells_outstanding, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ wait_var_event(&net->cells_outstanding,
+ !atomic_read(&net->cells_outstanding));
_leave("");
}
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -103,8 +103,8 @@ void afs_close_socket(struct afs_net *ne
}

_debug("outstanding %u", atomic_read(&net->nr_outstanding_calls));
- wait_on_atomic_t(&net->nr_outstanding_calls, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ wait_var_event(&net->nr_outstanding_calls,
+ !atomic_read(&net->nr_outstanding_calls));
_debug("no outstanding calls");

kernel_sock_shutdown(net->socket, SHUT_RDWR);
@@ -175,7 +175,7 @@ void afs_put_call(struct afs_call *call)
trace_afs_call(call, afs_call_trace_free, 0, o,
__builtin_return_address(0));
if (o == 0)
- wake_up_atomic_t(&net->nr_outstanding_calls);
+ wake_up_var(&net->nr_outstanding_calls);
}
}

--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -25,7 +25,7 @@ static void afs_inc_servers_outstanding(
static void afs_dec_servers_outstanding(struct afs_net *net)
{
if (atomic_dec_and_test(&net->servers_outstanding))
- wake_up_atomic_t(&net->servers_outstanding);
+ wake_up_var(&net->servers_outstanding);
}

/*
@@ -521,8 +521,8 @@ void afs_purge_servers(struct afs_net *n
afs_queue_server_manager(net);

_debug("wait");
- wait_on_atomic_t(&net->servers_outstanding, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ wait_var_event(&net->servers_outstanding,
+ !atomic_read(&net->servers_outstanding));
_leave("");
}