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kernel/relay.c: remove unused function argument actor

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Currently argument `actor' is never used in the relay reading path, so
remove it.

Signed-off-by: zhangwei(Jovi) <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Eric Dumazet <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
zhangwei(Jovi) 2013-04-30 15:28:39 -07:00 • committed by Linus Torvalds
commit 8359f689e2
1 changed files with 4 additions and 8 deletions
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12
kernel/relay.c
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@ -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)