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libceph: make ceph_osdc_wait_request() uninterruptible 

Ceph_osdc_wait_request() is used when cephfs issues sync IO. In most
cases, the sync IO should be uninterruptible. The fix is use killale
wait function in ceph_osdc_wait_request().

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-05-13 11:04:33 +08:00 committed by Ilya Dryomov
parent f0b33df57a
commit 0e76abf21e
1 changed files with 1 additions and 1 deletions
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2
net/ceph/osd_client.c
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@ -3454,7 +3454,7 @@ static int wait_request_timeout(struct ceph_osd_request *req,
long left;
dout("%s req %p tid %llu\n", __func__, req, req->r_tid);
left = wait_for_completion_interruptible_timeout(&req->r_completion,
left = wait_for_completion_killable_timeout(&req->r_completion,
ceph_timeout_jiffies(timeout));
if (left <= 0) {
left = left ?: -ETIMEDOUT;