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| author |   Ismail, Mustafa <mustafa.ismail@intel.com> | 2017-06-28 09:02:45 -0500 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2017-08-09 16:08:27 +0300 |
| commit | 9047811b776ce09ba06623dd2a846cc501f0065b (patch) | |
| tree | ba825bb42162e4ef38a3db80fb1216b70d392290 /drivers/infiniband/core/netlink.c | |
| parent | IB/hfi1: Always perform offline transition (diff) | |
| download | linux-dev-9047811b776ce09ba06623dd2a846cc501f0065b.tar.xz linux-dev-9047811b776ce09ba06623dd2a846cc501f0065b.zip | |
RDMA/core: Add wait/retry version of ibnl_unicast
Add a wait/retry version of ibnl_unicast, ibnl_unicast_wait,
and modify ibnl_unicast to not wait/retry. This eliminates
the undesirable wait for future users of ibnl_unicast.
Change Portmapper calls originating from kernel to user-space
to use ibnl_unicast_wait and take advantage of the wait/retry
logic in netlink_unicast.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Chien Tin Tung <chien.tin.tung@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/netlink.c')
| -rw-r--r-- | drivers/infiniband/core/netlink.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index 94931c474d41..0fc50e15ae22 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -232,11 +232,21 @@ int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, { int err; - err = netlink_unicast(nls, skb, pid, 0); + err = netlink_unicast(nls, skb, pid, MSG_DONTWAIT); return (err < 0) ? err : 0; } EXPORT_SYMBOL(ibnl_unicast); +int ibnl_unicast_wait(struct sk_buff *skb, struct nlmsghdr *nlh, + __u32 pid) +{ + int err; + + err = netlink_unicast(nls, skb, pid, 0); + return (err < 0) ? err : 0; +} +EXPORT_SYMBOL(ibnl_unicast_wait); + int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, unsigned int group, gfp_t flags) { |