From d66f8277f53407754f50ae6bada68f1b68d04d48 Mon Sep 17 00:00:00 2001 From: Patrick Caulfield Date: Fri, 14 Sep 2007 08:49:21 +0100 Subject: [PATCH] [DLM] Make dlm_sendd cond_resched more Under high recovery loads dlm_sendd can monopolise the CPU and cause soft lockups. This one extra and one moved cond_resched() make it yield a little more during such times keeping work moving. Signed-Off-By: Patrick Caulfield Signed-off-by: Steven Whitehouse --- fs/dlm/lowcomms.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 62a8a6ccd992..58bf3f5cdbe2 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1264,14 +1264,15 @@ static void send_to_sock(struct connection *con) if (len) { ret = sendpage(con->sock, e->page, offset, len, msg_flags); - if (ret == -EAGAIN || ret == 0) + if (ret == -EAGAIN || ret == 0) { + cond_resched(); goto out; + } if (ret <= 0) goto send_error; - } else { + } /* Don't starve people filling buffers */ cond_resched(); - } spin_lock(&con->writequeue_lock); e->offset += ret; -- 2.39.5