nbd: add set cmd timeout helper
Add a helper to set the cmd timeout. It does not really do a lot now, but will be more useful in the next patches. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -1246,6 +1246,12 @@ static bool nbd_is_valid_blksize(unsigned long blksize)
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return true;
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}
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static void nbd_set_cmd_timeout(struct nbd_device *nbd, u64 timeout)
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{
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nbd->tag_set.timeout = timeout * HZ;
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blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
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}
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/* Must be called with config_lock held */
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static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
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unsigned int cmd, unsigned long arg)
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@ -1276,10 +1282,8 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
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nbd_size_set(nbd, config->blksize, arg);
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return 0;
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case NBD_SET_TIMEOUT:
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if (arg) {
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nbd->tag_set.timeout = arg * HZ;
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blk_queue_rq_timeout(nbd->disk->queue, arg * HZ);
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}
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if (arg)
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nbd_set_cmd_timeout(nbd, arg);
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return 0;
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case NBD_SET_FLAGS:
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@ -1799,11 +1803,9 @@ again:
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if (ret)
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goto out;
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if (info->attrs[NBD_ATTR_TIMEOUT]) {
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u64 timeout = nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]);
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nbd->tag_set.timeout = timeout * HZ;
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blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
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}
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if (info->attrs[NBD_ATTR_TIMEOUT])
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nbd_set_cmd_timeout(nbd,
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nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]));
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if (info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]) {
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config->dead_conn_timeout =
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nla_get_u64(info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]);
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@ -1971,11 +1973,9 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
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if (ret)
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goto out;
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if (info->attrs[NBD_ATTR_TIMEOUT]) {
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u64 timeout = nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]);
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nbd->tag_set.timeout = timeout * HZ;
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blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
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}
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if (info->attrs[NBD_ATTR_TIMEOUT])
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nbd_set_cmd_timeout(nbd,
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nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]));
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if (info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]) {
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config->dead_conn_timeout =
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nla_get_u64(info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]);
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