diff options
| author | Stefani Seibold <stefani@seibold.net> | 2009-12-22 01:37:27 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-23 01:17:56 +0300 |
| commit | c1e13f25674ed564948ecb7dfe5f83e578892896 (patch) | |
| tree | 24fac07b3e2b66dff01c3127b34077de1de4c101 /net/dccp | |
| parent | 45465487897a1c6d508b14b904dc5777f7ec7e04 (diff) | |
| download | linux-c1e13f25674ed564948ecb7dfe5f83e578892896.tar.xz | |
kfifo: move out spinlock
Move the pointer to the spinlock out of struct kfifo. Most users in
tree do not actually use a spinlock, so the few exceptions now have to
call kfifo_{get,put}_locked, which takes an extra argument to a
spinlock.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/probe.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 6230ceb0823e..c6b50351aa78 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -67,7 +67,7 @@ static void printl(const char *fmt, ...) len += vscnprintf(tbuf+len, sizeof(tbuf)-len, fmt, args); va_end(args); - kfifo_put(&dccpw.fifo, tbuf, len); + kfifo_put_locked(&dccpw.fifo, tbuf, len, &dccpw.lock); wake_up(&dccpw.wait); } @@ -135,7 +135,7 @@ static ssize_t dccpprobe_read(struct file *file, char __user *buf, if (error) goto out_free; - cnt = kfifo_get(&dccpw.fifo, tbuf, len); + cnt = kfifo_get_locked(&dccpw.fifo, tbuf, len, &dccpw.lock); error = copy_to_user(buf, tbuf, cnt) ? -EFAULT : 0; out_free: @@ -156,7 +156,7 @@ static __init int dccpprobe_init(void) init_waitqueue_head(&dccpw.wait); spin_lock_init(&dccpw.lock); - if (kfifo_alloc(&dccpw.fifo, bufsize, GFP_KERNEL, &dccpw.lock)) + if (kfifo_alloc(&dccpw.fifo, bufsize, GFP_KERNEL)) return ret; if (!proc_net_fops_create(&init_net, procname, S_IRUSR, &dccpprobe_fops)) goto err0; |