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authorOlga Kornievskaia <kolga@netapp.com>2021-06-24 05:28:50 +0200
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-07-08 20:03:24 +0200
commit5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b (patch)
tree1a71de43011ed7c434117cfe94676739a880c3f0 /include
parentSUNRPC for TCP display xprt's source port in sysfs xprt_info (diff)
downloadlinux-5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b.tar.xz
linux-5b7eb78486cd9ac58bfbd6d84ea0fe2d9fead03b.zip
SUNRPC: take a xprt offline using sysfs
Using sysfs's xprt_state attribute, mark a particular transport offline. It will not be picked during the round-robin selection. It's not allowed to take the main (1st created transport associated with the rpc_client) offline. Also bring a transport back online via sysfs by writing "online" and that would allow for this transport to be picked during the round- robin selection. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sunrpc/xprt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 692e5946c029..b8ed7fa1b4ca 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -427,6 +427,7 @@ void xprt_release_write(struct rpc_xprt *, struct rpc_task *);
#define XPRT_BOUND (4)
#define XPRT_BINDING (5)
#define XPRT_CLOSING (6)
+#define XPRT_OFFLINE (7)
#define XPRT_CONGESTED (9)
#define XPRT_CWND_WAIT (10)
#define XPRT_WRITE_SPACE (11)