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NFS: include filelayout DS rpc stats in mountstats

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Include RPC statistics from all data servers in /proc/self/mountstats for pNFS
filelayout mounts.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson 2012-02-17 13:15:24 -05:00 • committed by Trond Myklebust
parent b6bf6e7d6f
commit 0a70219523
5 changed files with 32 additions and 7 deletions
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6
include/linux/sunrpc/metrics.h
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@ -74,14 +74,16 @@ struct rpc_clnt;
#ifdef CONFIG_PROC_FS
struct rpc_iostats * rpc_alloc_iostats(struct rpc_clnt *);
void rpc_count_iostats(struct rpc_task *);
void rpc_count_iostats(const struct rpc_task *,
struct rpc_iostats *);
void rpc_print_iostats(struct seq_file *, struct rpc_clnt *);
void rpc_free_iostats(struct rpc_iostats *);
#else /* CONFIG_PROC_FS */
static inline struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt) { return NULL; }
static inline void rpc_count_iostats(struct rpc_task *task) {}
static inline void rpc_count_iostats(const struct rpc_task *task,
struct rpc_iostats *stats) {}
static inline void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt) {}
static inline void rpc_free_iostats(struct rpc_iostats *stats) {}