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NFSv4.2 add tracepoint to COPY_NOTIFY

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Add a tracepoint to COPY_NOTIFY operation.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Olga Kornievskaia 2021-11-04 10:57:13 -04:00 committed by Trond Myklebust
parent 8db744ce45
commit 488b170c7d
2 changed files with 58 additions and 1 deletions
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1
fs/nfs/nfs42proc.c
View File

@ -603,6 +603,7 @@ static int _nfs42_proc_copy_notify(struct file *src, struct file *dst,
status = nfs4_call_sync(src_server->client, src_server, &msg,
&args->cna_seq_args, &res->cnr_seq_res, 0);
trace_nfs4_copy_notify(file_inode(src), args, res, status);
if (status == -ENOTSUPP)
src_server->caps &= ~NFS_CAP_COPY_NOTIFY;

58
fs/nfs/nfs4trace.h
View File

@ -243,7 +243,6 @@ TRACE_EVENT(nfs4_cb_offload,
show_nfs_stable_how(__entry->cb_how)
)
);
#endif /* CONFIG_NFS_V4_1 */
TRACE_EVENT(nfs4_setup_sequence,
@ -2407,6 +2406,63 @@ TRACE_EVENT(nfs4_clone,
__entry->len
)
);
TRACE_EVENT(nfs4_copy_notify,
TP_PROTO(
const struct inode *inode,
const struct nfs42_copy_notify_args *args,
const struct nfs42_copy_notify_res *res,
int error
),
TP_ARGS(inode, args, res, error),
TP_STRUCT__entry(
__field(unsigned long, error)
__field(u32, fhandle)
__field(u32, fileid)
__field(dev_t, dev)
__field(int, stateid_seq)
__field(u32, stateid_hash)
__field(int, res_stateid_seq)
__field(u32, res_stateid_hash)
),
TP_fast_assign(
const struct nfs_inode *nfsi = NFS_I(inode);
__entry->fileid = nfsi->fileid;
__entry->dev = inode->i_sb->s_dev;
__entry->fhandle = nfs_fhandle_hash(args->cna_src_fh);
__entry->stateid_seq =
be32_to_cpu(args->cna_src_stateid.seqid);
__entry->stateid_hash =
nfs_stateid_hash(&args->cna_src_stateid);
if (error) {
__entry->error = -error;
__entry->res_stateid_seq = 0;
__entry->res_stateid_hash = 0;
} else {
__entry->error = 0;
__entry->res_stateid_seq =
be32_to_cpu(res->cnr_stateid.seqid);
__entry->res_stateid_hash =
nfs_stateid_hash(&res->cnr_stateid);
}
),
TP_printk(
"error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x res_stateid=%d:0x%08x",
-__entry->error,
show_nfs4_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
__entry->stateid_seq, __entry->stateid_hash,
__entry->res_stateid_seq, __entry->res_stateid_hash
)
);
#endif /* CONFIG_NFS_V4_2 */
#endif /* CONFIG_NFS_V4_1 */