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authorzhangwei(Jovi) <jovi.zhangwei@huawei.com>2013-04-30 15:28:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 17:04:08 -0700
commit8359f689e23a607ec6758737551045997848ac75 (patch)
treef4fccf4d02e9b3d56176f3481bf2146b85f16472 /kernel/relay.c
parent4d10e0f2dd42b950448c13715f88edfce82a0975 (diff)
downloadvexpress-lsk-8359f689e23a607ec6758737551045997848ac75.tar.gz
kernel/relay.c: remove unused function argument actor
Currently argument `actor' is never used in the relay reading path, so remove it. Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/relay.c')
-rw-r--r--kernel/relay.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/kernel/relay.c b/kernel/relay.c
index 01ab081ac53..d21006c4a3c 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1099,8 +1099,7 @@ static size_t relay_file_read_end_pos(struct rchan_buf *buf,
static int subbuf_read_actor(size_t read_start,
struct rchan_buf *buf,
size_t avail,
- read_descriptor_t *desc,
- read_actor_t actor)
+ read_descriptor_t *desc)
{
void *from;
int ret = 0;
@@ -1121,15 +1120,13 @@ static int subbuf_read_actor(size_t read_start,
typedef int (*subbuf_actor_t) (size_t read_start,
struct rchan_buf *buf,
size_t avail,
- read_descriptor_t *desc,
- read_actor_t actor);
+ read_descriptor_t *desc);
/*
* relay_file_read_subbufs - read count bytes, bridging subbuf boundaries
*/
static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
subbuf_actor_t subbuf_actor,
- read_actor_t actor,
read_descriptor_t *desc)
{
struct rchan_buf *buf = filp->private_data;
@@ -1150,7 +1147,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
break;
avail = min(desc->count, avail);
- ret = subbuf_actor(read_start, buf, avail, desc, actor);
+ ret = subbuf_actor(read_start, buf, avail, desc);
if (desc->error < 0)
break;
@@ -1174,8 +1171,7 @@ static ssize_t relay_file_read(struct file *filp,
desc.count = count;
desc.arg.buf = buffer;
desc.error = 0;
- return relay_file_read_subbufs(filp, ppos, subbuf_read_actor,
- NULL, &desc);
+ return relay_file_read_subbufs(filp, ppos, subbuf_read_actor, &desc);
}
static void relay_consume_bytes(struct rchan_buf *rbuf, int bytes_consumed)