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authorMatthew Wilcox <matthew@wil.cx>2007-12-06 16:24:39 -0500
committerMatthew Wilcox <willy@linux.intel.com>2007-12-06 17:40:25 -0500
commit150030b78a454ba50d5e267b0dcf01b162809192 (patch)
tree4de766e7abbfd73a052f14f8efd3a26eb7b59d87 /net/sunrpc/clnt.c
parent009e577e079656d51d0fe9b15e61e41b00816c29 (diff)
downloadop-kernel-dev-150030b78a454ba50d5e267b0dcf01b162809192.zip
op-kernel-dev-150030b78a454ba50d5e267b0dcf01b162809192.tar.gz
NFS: Switch from intr mount option to TASK_KILLABLE
By using the TASK_KILLABLE infrastructure, we can get rid of the 'intr' mount option. We have to use _killable everywhere instead of _interruptible as we get rid of rpc_clnt_sigmask/sigunmask. Signed-off-by: Liam R. Howlett <howlett@gmail.com> Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
-rw-r--r--net/sunrpc/clnt.c47
1 files changed, 2 insertions, 45 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 76be83e..a99729f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -281,7 +281,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
return clnt;
if (!(args->flags & RPC_CLNT_CREATE_NOPING)) {
- int err = rpc_ping(clnt, RPC_TASK_SOFT|RPC_TASK_NOINTR);
+ int err = rpc_ping(clnt, RPC_TASK_SOFT);
if (err != 0) {
rpc_shutdown_client(clnt);
return ERR_PTR(err);
@@ -292,8 +292,6 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
if (args->flags & RPC_CLNT_CREATE_HARDRTRY)
clnt->cl_softrtry = 0;
- if (args->flags & RPC_CLNT_CREATE_INTR)
- clnt->cl_intr = 1;
if (args->flags & RPC_CLNT_CREATE_AUTOBIND)
clnt->cl_autobind = 1;
if (args->flags & RPC_CLNT_CREATE_DISCRTRY)
@@ -459,7 +457,7 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *old,
clnt->cl_prog = program->number;
clnt->cl_vers = version->number;
clnt->cl_stats = program->stats;
- err = rpc_ping(clnt, RPC_TASK_SOFT|RPC_TASK_NOINTR);
+ err = rpc_ping(clnt, RPC_TASK_SOFT);
if (err != 0) {
rpc_shutdown_client(clnt);
clnt = ERR_PTR(err);
@@ -480,44 +478,6 @@ static const struct rpc_call_ops rpc_default_ops = {
.rpc_call_done = rpc_default_callback,
};
-/*
- * Export the signal mask handling for synchronous code that
- * sleeps on RPC calls
- */
-#define RPC_INTR_SIGNALS (sigmask(SIGHUP) | sigmask(SIGINT) | sigmask(SIGQUIT) | sigmask(SIGTERM))
-
-static void rpc_save_sigmask(sigset_t *oldset, int intr)
-{
- unsigned long sigallow = sigmask(SIGKILL);
- sigset_t sigmask;
-
- /* Block all signals except those listed in sigallow */
- if (intr)
- sigallow |= RPC_INTR_SIGNALS;
- siginitsetinv(&sigmask, sigallow);
- sigprocmask(SIG_BLOCK, &sigmask, oldset);
-}
-
-static inline void rpc_task_sigmask(struct rpc_task *task, sigset_t *oldset)
-{
- rpc_save_sigmask(oldset, !RPC_TASK_UNINTERRUPTIBLE(task));
-}
-
-static inline void rpc_restore_sigmask(sigset_t *oldset)
-{
- sigprocmask(SIG_SETMASK, oldset, NULL);
-}
-
-void rpc_clnt_sigmask(struct rpc_clnt *clnt, sigset_t *oldset)
-{
- rpc_save_sigmask(oldset, clnt->cl_intr);
-}
-
-void rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset)
-{
- rpc_restore_sigmask(oldset);
-}
-
static
struct rpc_task *rpc_do_run_task(struct rpc_clnt *clnt,
struct rpc_message *msg,
@@ -526,7 +486,6 @@ struct rpc_task *rpc_do_run_task(struct rpc_clnt *clnt,
void *data)
{
struct rpc_task *task, *ret;
- sigset_t oldset;
task = rpc_new_task(clnt, flags, ops, data);
if (task == NULL) {
@@ -535,7 +494,6 @@ struct rpc_task *rpc_do_run_task(struct rpc_clnt *clnt,
}
/* Mask signals on synchronous RPC calls and RPCSEC_GSS upcalls */
- rpc_task_sigmask(task, &oldset);
if (msg != NULL) {
rpc_call_setup(task, msg, 0);
if (task->tk_status != 0) {
@@ -548,7 +506,6 @@ struct rpc_task *rpc_do_run_task(struct rpc_clnt *clnt,
rpc_execute(task);
ret = task;
out:
- rpc_restore_sigmask(&oldset);
return ret;
}
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