[GFS2] use an temp variable to reduce a spin_unlock
this is more clear. Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
parent
6760bdcd03
commit
cee23c79d0
|
@ -346,15 +346,16 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
|
|||
|
||||
static unsigned int dev_poll(struct file *file, poll_table *wait)
|
||||
{
|
||||
unsigned int mask = 0;
|
||||
|
||||
poll_wait(file, &send_wq, wait);
|
||||
|
||||
spin_lock(&ops_lock);
|
||||
if (!list_empty(&send_list)) {
|
||||
spin_unlock(&ops_lock);
|
||||
return POLLIN | POLLRDNORM;
|
||||
}
|
||||
if (!list_empty(&send_list))
|
||||
mask = POLLIN | POLLRDNORM;
|
||||
spin_unlock(&ops_lock);
|
||||
return 0;
|
||||
|
||||
return mask;
|
||||
}
|
||||
|
||||
static const struct file_operations dev_fops = {
|
||||
|
|
Loading…
Reference in a new issue