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staging: lustre: remove unnecessary cfs_block_allsigs() calls 

Threads started by kthread_run() ignore all signals,
as kthreadd() calls ignore_signals(), and this is
inherited by all children.
So there is no need to call cfs_block_allsigs() in functions
that are only run from kthread_run().

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-02-20 13:23:37 +11:00 committed by Greg Kroah-Hartman
parent 37d3b407dc
commit 1b2dad1459
5 changed files with 0 additions and 18 deletions
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6
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
View File

@ -3288,8 +3288,6 @@ kiblnd_connd(void *arg)
int peer_index = 0;
unsigned long deadline = jiffies;
cfs_block_allsigs();
init_waitqueue_entry(&wait, current);
kiblnd_data.kib_connd = current;
@ -3542,8 +3540,6 @@ kiblnd_scheduler(void *arg)
int busy_loops = 0;
int rc;
cfs_block_allsigs();
init_waitqueue_entry(&wait, current);
sched = kiblnd_data.kib_scheds[KIB_THREAD_CPT(id)];
@ -3676,8 +3672,6 @@ kiblnd_failover_thread(void *arg)
LASSERT(*kiblnd_tunables.kib_dev_failover);
cfs_block_allsigs();
init_waitqueue_entry(&wait, current);
write_lock_irqsave(glock, flags);

6
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
View File

@ -1324,8 +1324,6 @@ int ksocknal_scheduler(void *arg)
info = ksocknal_data.ksnd_sched_info[KSOCK_THREAD_CPT(id)];
sched = &info->ksi_scheds[KSOCK_THREAD_SID(id)];
cfs_block_allsigs();
rc = cfs_cpt_bind(lnet_cpt_table(), info->ksi_cpt);
if (rc) {
CWARN("Can't set CPU partition affinity to %d: %d\n",
@ -2078,8 +2076,6 @@ ksocknal_connd(void *arg)
int nloops = 0;
int cons_retry = 0;
cfs_block_allsigs();
init_waitqueue_entry(&wait, current);
spin_lock_bh(connd_lock);
@ -2472,8 +2468,6 @@ ksocknal_reaper(void *arg)
int peer_index = 0;
unsigned long deadline = cfs_time_current();
cfs_block_allsigs();
INIT_LIST_HEAD(&enomem_conns);
init_waitqueue_entry(&wait, current);

2
drivers/staging/lustre/lnet/lnet/acceptor.c
View File

@ -335,8 +335,6 @@ lnet_acceptor(void *arg)
LASSERT(!lnet_acceptor_state.pta_sock);
cfs_block_allsigs();
rc = lnet_sock_listen(&lnet_acceptor_state.pta_sock, 0, accept_port,
accept_backlog);
if (rc) {

2
drivers/staging/lustre/lnet/lnet/router.c
View File

@ -1226,8 +1226,6 @@ lnet_router_checker(void *arg)
struct lnet_peer *rtr;
struct list_head *entry;
cfs_block_allsigs();
while (the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING) {
__u64 version;
int cpt;

2
drivers/staging/lustre/lnet/selftest/timer.c
View File

@ -170,8 +170,6 @@ stt_timer_main(void *arg)
{
int rc = 0;
cfs_block_allsigs();
while (!stt_data.stt_shuttingdown) {
stt_check_timers(&stt_data.stt_prev_slot);