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Merge branch 'task_killable' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc

Browse source 
* 'task_killable' of git://git.kernel.org/pub/scm/linux/kernel/git/willy/misc: (22 commits)
  Remove commented-out code copied from NFS
  NFS: Switch from intr mount option to TASK_KILLABLE
  Add wait_for_completion_killable
  Add wait_event_killable
  Add schedule_timeout_killable
  Use mutex_lock_killable in vfs_readdir
  Add mutex_lock_killable
  Use lock_page_killable
  Add lock_page_killable
  Add fatal_signal_pending
  Add TASK_WAKEKILL
  exit: Use task_is_*
  signal: Use task_is_*
  sched: Use task_contributes_to_load, TASK_ALL and TASK_NORMAL
  ptrace: Use task_is_*
  power: Use task_is_*
  wait: Use TASK_NORMAL
  proc/base.c: Use task_is_*
  proc/array.c: Use TASK_REPORT
  perfmon: Use task_is_*
  ...

Fixed up conflicts in NFS/sunrpc manually..
This commit is contained in:
Linus Torvalds 2008-02-01 11:45:47 +11:00
commit 75659ca0c1
38 changed files with 282 additions and 252 deletions
Download patch file Download diff file Expand all files Collapse all files

3
net/sunrpc/auth.c
View file

@ -385,7 +385,6 @@ rpcauth_bindcred(struct rpc_task *task)
.group_info = current->group_info,
};
struct rpc_cred *ret;
sigset_t oldset;
int flags = 0;
dprintk("RPC: %5u looking up %s cred\n",
@ -393,9 +392,7 @@ rpcauth_bindcred(struct rpc_task *task)
get_group_info(acred.group_info);
if (task->tk_flags & RPC_TASK_ROOTCREDS)
flags |= RPCAUTH_LOOKUP_ROOTCREDS;
rpc_clnt_sigmask(task->tk_client, &oldset);
ret = auth->au_ops->lookup_cred(auth, &acred, flags);
rpc_clnt_sigunmask(task->tk_client, &oldset);
if (!IS_ERR(ret))
task->tk_msg.rpc_cred = ret;
else

55
net/sunrpc/clnt.c
View file

@ -313,7 +313,7 @@ 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);
@ -324,8 +324,6 @@ 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)
@ -493,7 +491,7 @@ 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);
@ -515,46 +513,6 @@ 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 void rpc_task_sigmask(struct rpc_task *task, sigset_t *oldset)
{
rpc_save_sigmask(oldset, !RPC_TASK_UNINTERRUPTIBLE(task));
}
static 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);
}
EXPORT_SYMBOL_GPL(rpc_clnt_sigmask);
void rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset)
{
rpc_restore_sigmask(oldset);
}
EXPORT_SYMBOL_GPL(rpc_clnt_sigunmask);
/**
* rpc_run_task - Allocate a new RPC task, then run rpc_execute against it
* @task_setup_data: pointer to task initialisation data
@ -562,7 +520,6 @@ EXPORT_SYMBOL_GPL(rpc_clnt_sigunmask);
struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
{
struct rpc_task *task, *ret;
sigset_t oldset;
task = rpc_new_task(task_setup_data);
if (task == NULL) {
@ -578,13 +535,7 @@ struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
goto out;
}
atomic_inc(&task->tk_count);
/* Mask signals on synchronous RPC calls and RPCSEC_GSS upcalls */
if (!RPC_IS_ASYNC(task)) {
rpc_task_sigmask(task, &oldset);
rpc_execute(task);
rpc_restore_sigmask(&oldset);
} else
rpc_execute(task);
rpc_execute(task);
ret = task;
out:
return ret;

3
net/sunrpc/rpcb_clnt.c
View file

@ -120,8 +120,7 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
.program = &rpcb_program,
.version = version,
.authflavor = RPC_AUTH_UNIX,
.flags = (RPC_CLNT_CREATE_NOPING |
RPC_CLNT_CREATE_INTR),
.flags = RPC_CLNT_CREATE_NOPING,
};
switch (srvaddr->sa_family) {

15
net/sunrpc/sched.c
View file

@ -245,9 +245,9 @@ void rpc_init_wait_queue(struct rpc_wait_queue *queue, const char *qname)
}
EXPORT_SYMBOL_GPL(rpc_init_wait_queue);
static int rpc_wait_bit_interruptible(void *word)
static int rpc_wait_bit_killable(void *word)
{
if (signal_pending(current))
if (fatal_signal_pending(current))
return -ERESTARTSYS;
schedule();
return 0;
@ -299,9 +299,9 @@ static void rpc_mark_complete_task(struct rpc_task *task)
int __rpc_wait_for_completion_task(struct rpc_task *task, int (*action)(void *))
{
if (action == NULL)
action = rpc_wait_bit_interruptible;
action = rpc_wait_bit_killable;
return wait_on_bit(&task->tk_runstate, RPC_TASK_ACTIVE,
action, TASK_INTERRUPTIBLE);
action, TASK_KILLABLE);
}
EXPORT_SYMBOL_GPL(__rpc_wait_for_completion_task);
@ -696,10 +696,9 @@ static void __rpc_execute(struct rpc_task *task)
/* sync task: sleep here */
dprintk("RPC: %5u sync task going to sleep\n", task->tk_pid);
/* Note: Caller should be using rpc_clnt_sigmask() */
status = out_of_line_wait_on_bit(&task->tk_runstate,
RPC_TASK_QUEUED, rpc_wait_bit_interruptible,
TASK_INTERRUPTIBLE);
RPC_TASK_QUEUED, rpc_wait_bit_killable,
TASK_KILLABLE);
if (status == -ERESTARTSYS) {
/*
* When a sync task receives a signal, it exits with
@ -840,8 +839,6 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
kref_get(&task->tk_client->cl_kref);
if (task->tk_client->cl_softrtry)
task->tk_flags |= RPC_TASK_SOFT;
if (!task->tk_client->cl_intr)
task->tk_flags |= RPC_TASK_NOINTR;
}
if (task->tk_ops->rpc_call_prepare != NULL)