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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-16 13:51:29 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-18 01:12:59 -0400 |
| commit | 7402a4fedc2bc448100c2d086406c708451b16dc (patch) | |
| tree | 45bafb2c535f1790f99e41cb7de2b7fb0c199c4e /include/linux/sunrpc/xprt.h | |
| parent | SUNRPC: Fix initialisation of struct rpc_xprt_switch (diff) | |
| download | linux-dev-7402a4fedc2bc448100c2d086406c708451b16dc.tar.xz linux-dev-7402a4fedc2bc448100c2d086406c708451b16dc.zip | |
SUNRPC: Fix up backchannel slot table accounting
Add a per-transport maximum limit in the socket case, and add
helpers to allow the NFSv4 code to discover that limit.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux/sunrpc/xprt.h')
| -rw-r--r-- | include/linux/sunrpc/xprt.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index ed76e5fb36c1..13e108bcc9eb 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -158,6 +158,7 @@ struct rpc_xprt_ops { int (*bc_setup)(struct rpc_xprt *xprt, unsigned int min_reqs); size_t (*bc_maxpayload)(struct rpc_xprt *xprt); + unsigned int (*bc_num_slots)(struct rpc_xprt *xprt); void (*bc_free_rqst)(struct rpc_rqst *rqst); void (*bc_destroy)(struct rpc_xprt *xprt, unsigned int max_reqs); @@ -251,8 +252,9 @@ struct rpc_xprt { #if defined(CONFIG_SUNRPC_BACKCHANNEL) struct svc_serv *bc_serv; /* The RPC service which will */ /* process the callback */ - int bc_alloc_count; /* Total number of preallocs */ - atomic_t bc_free_slots; + unsigned int bc_alloc_max; + unsigned int bc_alloc_count; /* Total number of preallocs */ + atomic_t bc_slot_count; /* Number of allocated slots */ spinlock_t bc_pa_lock; /* Protects the preallocated * items */ struct list_head bc_pa_list; /* List of preallocated |