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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-12 16:19:27 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-22 08:58:21 -0400 |
| commit | 42113a75399353d87baf63956ab8f450958f1c8f (patch) | |
| tree | f6829bd87220a89d633764ac0cc4d0d746bde120 /fs/nfs/nfs4proc.c | |
| parent | c6d01c6f9bf94075a726b3103a7e90d981017326 (diff) | |
| download | lwn-42113a75399353d87baf63956ab8f450958f1c8f.tar.gz lwn-42113a75399353d87baf63956ab8f450958f1c8f.zip | |
NFSv4: Add tracepoints for debugging file open
Set up basic tracepoints for debugging NFSv4 file open/close
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5f228edbb876..d609198724ed 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1442,6 +1442,7 @@ static int nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state int err; do { err = _nfs4_do_open_reclaim(ctx, state); + trace_nfs4_open_reclaim(ctx, 0, err); if (nfs4_clear_cap_atomic_open_v1(server, err, &exception)) continue; if (err != -NFS4ERR_DELAY) @@ -1897,6 +1898,7 @@ static int nfs4_do_open_expired(struct nfs_open_context *ctx, struct nfs4_state do { err = _nfs4_open_expired(ctx, state); + trace_nfs4_open_expired(ctx, 0, err); if (nfs4_clear_cap_atomic_open_v1(server, err, &exception)) continue; switch (err) { @@ -2199,6 +2201,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, do { status = _nfs4_do_open(dir, ctx, flags, sattr, label); res = ctx->state; + trace_nfs4_open_file(ctx, flags, status); if (status == 0) break; /* NOTE: BAD_SEQID means the server and client disagree about the @@ -2389,6 +2392,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data) dprintk("%s: begin!\n", __func__); if (!nfs4_sequence_done(task, &calldata->res.seq_res)) return; + trace_nfs4_close(state, &calldata->arg, &calldata->res, task->tk_status); /* hmm. we are done with the inode, and in the process of freeing * the state_owner. we keep this around to process errors */ |