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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>
This commit is contained in:
Mike Christie 2019-08-13 11:39:49 -05:00 committed by Jens Axboe
parent 238bdcdf5d
commit 55313e92bd
1 changed files with 14 additions and 14 deletions
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28
drivers/block/nbd.c
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@ -1246,6 +1246,12 @@ static bool nbd_is_valid_blksize(unsigned long blksize)
return true;
}
static void nbd_set_cmd_timeout(struct nbd_device *nbd, u64 timeout)
{
nbd->tag_set.timeout = timeout * HZ;
blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
}
/* Must be called with config_lock held */
static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
unsigned int cmd, unsigned long arg)
@ -1276,10 +1282,8 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
nbd_size_set(nbd, config->blksize, arg);
return 0;
case NBD_SET_TIMEOUT:
if (arg) {
nbd->tag_set.timeout = arg * HZ;
blk_queue_rq_timeout(nbd->disk->queue, arg * HZ);
}
if (arg)
nbd_set_cmd_timeout(nbd, arg);
return 0;
case NBD_SET_FLAGS:
@ -1799,11 +1803,9 @@ again:
if (ret)
goto out;
if (info->attrs[NBD_ATTR_TIMEOUT]) {
u64 timeout = nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]);
nbd->tag_set.timeout = timeout * HZ;
blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
}
if (info->attrs[NBD_ATTR_TIMEOUT])
nbd_set_cmd_timeout(nbd,
nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]));
if (info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]) {
config->dead_conn_timeout =
nla_get_u64(info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]);
@ -1971,11 +1973,9 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
if (ret)
goto out;
if (info->attrs[NBD_ATTR_TIMEOUT]) {
u64 timeout = nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]);
nbd->tag_set.timeout = timeout * HZ;
blk_queue_rq_timeout(nbd->disk->queue, timeout * HZ);
}
if (info->attrs[NBD_ATTR_TIMEOUT])
nbd_set_cmd_timeout(nbd,
nla_get_u64(info->attrs[NBD_ATTR_TIMEOUT]));
if (info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]) {
config->dead_conn_timeout =
nla_get_u64(info->attrs[NBD_ATTR_DEAD_CONN_TIMEOUT]);