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authorPavel Emelyanov <xemul@openvz.org>2007-11-11 01:06:01 -0500
committerDavid S. Miller <davem@davemloft.net>2007-11-11 01:06:01 -0500
commit9305cfa4443dbfb99faf35c5603ec0c0e91b5ef8 (patch)
tree957551b7016caedcb6f85ec733e6a14d6707096f /net/unix/garbage.c
parent8032b46489e50ef8f3992159abd0349b5b8e476c (diff)
[AF_UNIX]: Make unix_tot_inflight counter non-atomic
This counter is _always_ modified under the unix_gc_lock spinlock, so its atomicity can be provided w/o additional efforts. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/unix/garbage.c')
-rw-r--r--net/unix/garbage.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 406b6433e467..399717ed7b9d 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -92,7 +92,7 @@ static LIST_HEAD(gc_inflight_list);
92static LIST_HEAD(gc_candidates); 92static LIST_HEAD(gc_candidates);
93static DEFINE_SPINLOCK(unix_gc_lock); 93static DEFINE_SPINLOCK(unix_gc_lock);
94 94
95atomic_t unix_tot_inflight = ATOMIC_INIT(0); 95unsigned int unix_tot_inflight;
96 96
97 97
98static struct sock *unix_get_socket(struct file *filp) 98static struct sock *unix_get_socket(struct file *filp)
@@ -133,7 +133,7 @@ void unix_inflight(struct file *fp)
133 } else { 133 } else {
134 BUG_ON(list_empty(&u->link)); 134 BUG_ON(list_empty(&u->link));
135 } 135 }
136 atomic_inc(&unix_tot_inflight); 136 unix_tot_inflight++;
137 spin_unlock(&unix_gc_lock); 137 spin_unlock(&unix_gc_lock);
138 } 138 }
139} 139}
@@ -147,7 +147,7 @@ void unix_notinflight(struct file *fp)
147 BUG_ON(list_empty(&u->link)); 147 BUG_ON(list_empty(&u->link));
148 if (atomic_dec_and_test(&u->inflight)) 148 if (atomic_dec_and_test(&u->inflight))
149 list_del_init(&u->link); 149 list_del_init(&u->link);
150 atomic_dec(&unix_tot_inflight); 150 unix_tot_inflight--;
151 spin_unlock(&unix_gc_lock); 151 spin_unlock(&unix_gc_lock);
152 } 152 }
153} 153}