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pNFS/flexfiles: add layoutstats tracking

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Reviewed-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-06-23 19:51:59 +08:00
parent 27797d1bb3
commit abcb7bfc9f
2 changed files with 203 additions and 11 deletions
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22
fs/nfs/flexfilelayout/flexfilelayout.h
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@ -41,6 +41,26 @@ struct nfs4_ff_layout_ds_err {
struct nfs4_deviceid deviceid;
};
struct nfs4_ff_io_stat {
__u64 ops_requested;
__u64 bytes_requested;
__u64 ops_completed;
__u64 bytes_completed;
__u64 bytes_not_delivered;
ktime_t total_busy_time;
ktime_t aggregate_completion_time;
};
struct nfs4_ff_busy_timer {
ktime_t start_time;
atomic_t n_ops;
};
struct nfs4_ff_layoutstat {
struct nfs4_ff_io_stat io_stat;
struct nfs4_ff_busy_timer busy_timer;
};
struct nfs4_ff_layout_mirror {
u32 ds_count;
u32 efficiency;
@ -52,6 +72,8 @@ struct nfs4_ff_layout_mirror {
u32 gid;
struct rpc_cred *cred;
spinlock_t lock;
struct nfs4_ff_layoutstat read_stat;
struct nfs4_ff_layoutstat write_stat;
};
struct nfs4_ff_layout_segment {