diff options
| author | Andy Walls <awalls@radix.net> | 2008-08-23 02:03:11 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 13:36:53 +0200 |
| commit | b04bce476c57ac844962462ee4c813c44fa942cf (patch) | |
| tree | fb08a484414e6e486fd31c59c8533c46fd4b1341 /drivers/media/video/cx18/cx18-driver.h | |
| parent | V4L/DVB (8771): cx18: Remove redundant struct cx18_queue length member. (diff) | |
| download | linux-b04bce476c57ac844962462ee4c813c44fa942cf.tar.xz linux-b04bce476c57ac844962462ee4c813c44fa942cf.zip | |
V4L/DVB (8772): cx18: Convert cx18_queue buffers member to atomic_t
cx18: Convert cx18_queue buffers member to atomic_t. This allows safe
concurrent access to check if a queue has data without having to acquire the
queue spinlock.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 28c490b1b64e..8812a5ec635f 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -216,7 +216,7 @@ struct cx18_buffer { struct cx18_queue { struct list_head list; - u32 buffers; + atomic_t buffers; u32 bytesused; }; |