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NFSv4.2 add tracepoint to CLONE

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Add a tracepoint to the CLONE 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 10:57:11 -04:00 committed by Trond Myklebust
parent ce7cea1ba7
commit 2a65ca8b58
2 changed files with 74 additions and 0 deletions
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1
fs/nfs/nfs42proc.c
View File

@ -1077,6 +1077,7 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f,
status = nfs4_call_sync(server->client, server, msg,
&args.seq_args, &res.seq_res, 0);
trace_nfs4_clone(src_inode, dst_inode, &args, status);
if (status == 0) {
nfs42_copy_dest_done(dst_inode, dst_offset, count);
status = nfs_post_op_update_inode(dst_inode, res.dst_fattr);

73
fs/nfs/nfs4trace.h
View File

@ -2290,6 +2290,79 @@ TRACE_EVENT(nfs4_copy,
__entry->res_count
)
);
TRACE_EVENT(nfs4_clone,
TP_PROTO(
const struct inode *src_inode,
const struct inode *dst_inode,
const struct nfs42_clone_args *args,
int error
),
TP_ARGS(src_inode, dst_inode, args, error),
TP_STRUCT__entry(
__field(unsigned long, error)
__field(u32, src_fhandle)
__field(u32, src_fileid)
__field(u32, dst_fhandle)
__field(u32, dst_fileid)
__field(dev_t, src_dev)
__field(dev_t, dst_dev)
__field(loff_t, src_offset)
__field(loff_t, dst_offset)
__field(int, src_stateid_seq)
__field(u32, src_stateid_hash)
__field(int, dst_stateid_seq)
__field(u32, dst_stateid_hash)
__field(loff_t, len)
),
TP_fast_assign(
const struct nfs_inode *src_nfsi = NFS_I(src_inode);
const struct nfs_inode *dst_nfsi = NFS_I(dst_inode);
__entry->src_fileid = src_nfsi->fileid;
__entry->src_dev = src_inode->i_sb->s_dev;
__entry->src_fhandle = nfs_fhandle_hash(args->src_fh);
__entry->src_offset = args->src_offset;
__entry->dst_fileid = dst_nfsi->fileid;
__entry->dst_dev = dst_inode->i_sb->s_dev;
__entry->dst_fhandle = nfs_fhandle_hash(args->dst_fh);
__entry->dst_offset = args->dst_offset;
__entry->len = args->count;
__entry->error = error < 0 ? -error : 0;
__entry->src_stateid_seq =
be32_to_cpu(args->src_stateid.seqid);
__entry->src_stateid_hash =
nfs_stateid_hash(&args->src_stateid);
__entry->dst_stateid_seq =
be32_to_cpu(args->dst_stateid.seqid);
__entry->dst_stateid_hash =
nfs_stateid_hash(&args->dst_stateid);
),
TP_printk(
"error=%ld (%s) src_fileid=%02x:%02x:%llu "
"src_fhandle=0x%08x dst_fileid=%02x:%02x:%llu "
"dst_fhandle=0x%08x src_stateid=%d:0x%08x "
"dst_stateid=%d:0x%08x src_offset=%llu "
"dst_offset=%llu len=%llu",
-__entry->error,
show_nfs4_status(__entry->error),
MAJOR(__entry->src_dev), MINOR(__entry->src_dev),
(unsigned long long)__entry->src_fileid,
__entry->src_fhandle,
MAJOR(__entry->dst_dev), MINOR(__entry->dst_dev),
(unsigned long long)__entry->dst_fileid,
__entry->dst_fhandle,
__entry->src_stateid_seq, __entry->src_stateid_hash,
__entry->dst_stateid_seq, __entry->dst_stateid_hash,
__entry->src_offset,
__entry->dst_offset,
__entry->len
)
);
#endif /* CONFIG_NFS_V4_2 */
#endif /* CONFIG_NFS_V4_1 */