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>

diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index ca09455..6690a6c 100644 (file)
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -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);
 

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index 63e452f..6ab002c 100644 (file)
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -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);
 

diff --git a/drivers/staging/lustre/lnet/lnet/acceptor.c b/drivers/staging/lustre/lnet/lnet/acceptor.c
index 6c1f494..fb478e2 100644 (file)
--- a/drivers/staging/lustre/lnet/lnet/acceptor.c
+++ b/drivers/staging/lustre/lnet/lnet/acceptor.c
@@ -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) {

diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index ec1d3e5..a3c3f49 100644 (file)
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -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;

diff --git a/drivers/staging/lustre/lnet/selftest/timer.c b/drivers/staging/lustre/lnet/selftest/timer.c
index 9716afe..1b2c5fc 100644 (file)
--- a/drivers/staging/lustre/lnet/selftest/timer.c
+++ b/drivers/staging/lustre/lnet/selftest/timer.c
@@ -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);