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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2017-04-28 10:52:42 -0400 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-06 14:54:49 -0400 |
| commit | 21f0ffaff510b0530bfdf77da7133c0b99dee2fe (patch) | |
| tree | 0302c053444f3a371d7c188a33f9834fb7cbc31e /include/linux/sunrpc | |
| parent | NFSv4: Handle the special Linux file open access mode (diff) | |
| download | linux-dev-21f0ffaff510b0530bfdf77da7133c0b99dee2fe.tar.xz linux-dev-21f0ffaff510b0530bfdf77da7133c0b99dee2fe.zip | |
SUNRPC: Add basic load balancing to the transport switch
For now, just count the queue length. It is less accurate than counting
number of bytes queued, but easier to implement.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 1 | ||||
| -rw-r--r-- | include/linux/sunrpc/xprtmultipath.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index a6d9fce7f20e..15322c1d9c8c 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -238,6 +238,7 @@ struct rpc_xprt { /* * Send stuff */ + atomic_long_t queuelen; spinlock_t transport_lock; /* lock transport info */ spinlock_t reserve_lock; /* lock slot table */ spinlock_t queue_lock; /* send/receive queue lock */ diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h index af1257c030d2..c6cce3fbf29d 100644 --- a/include/linux/sunrpc/xprtmultipath.h +++ b/include/linux/sunrpc/xprtmultipath.h @@ -15,6 +15,8 @@ struct rpc_xprt_switch { struct kref xps_kref; unsigned int xps_nxprts; + unsigned int xps_nactive; + atomic_long_t xps_queuelen; struct list_head xps_xprt_list; struct net * xps_net; |