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[GFS2] use an temp variable to reduce a spin_unlock

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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:
Denis Cheng 2007-07-25 17:53:58 +08:00 committed by Steven Whitehouse
parent 6760bdcd03
commit cee23c79d0
1 changed files with 6 additions and 5 deletions
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11
fs/gfs2/locking/dlm/plock.c
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@ -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) static unsigned int dev_poll(struct file *file, poll_table *wait)
{ {
unsigned int mask = 0;
poll_wait(file, &send_wq, wait); poll_wait(file, &send_wq, wait);
spin_lock(&ops_lock); spin_lock(&ops_lock);
if (!list_empty(&send_list)) { if (!list_empty(&send_list))
spin_unlock(&ops_lock); mask = POLLIN | POLLRDNORM;
return POLLIN | POLLRDNORM;
}
spin_unlock(&ops_lock); spin_unlock(&ops_lock);
return 0;
return mask;
} }
static const struct file_operations dev_fops = { static const struct file_operations dev_fops = {