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relay: fix cpu offline problem

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relay_open() will close allocated buffers when failed.
but if cpu offlined, some buffer will not be closed.
this patch fixed it.

and did cleanup for relay_reset() too.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Lai Jiangshan 2008-11-14 10:44:59 +01:00 committed by Jens Axboe
parent 68aee07f9b
commit 98ba4031ab
1 changed files with 4 additions and 5 deletions
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7
kernel/relay.c
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@ -400,7 +400,7 @@ void relay_reset(struct rchan *chan)
}
mutex_lock(&relay_channels_mutex);
for_each_online_cpu(i)
for_each_possible_cpu(i)
if (chan->buf[i])
__relay_reset(chan->buf[i], 0);
mutex_unlock(&relay_channels_mutex);
@ -611,9 +611,8 @@ struct rchan *relay_open(const char *base_filename,
return chan;
free_bufs:
for_each_online_cpu(i) {
if (!chan->buf[i])
break;
for_each_possible_cpu(i) {
if (chan->buf[i])
relay_close_buf(chan->buf[i]);
}