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| author | Chuck Lever <chuck.lever@oracle.com> | 2019-02-11 11:24:05 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-02-13 11:05:50 -0500 |
| commit | 0ccc61b1c76e5163c6fea6cf83bd18e7ea244c5b (patch) | |
| tree | 7c0546bb43e6a1033876a01bef1c788c7c6d0dfe /include/linux/sunrpc | |
| parent | 6f701383368d54e8d43fad2a0bac30f877899568 (diff) | |
| download | lwn-0ccc61b1c76e5163c6fea6cf83bd18e7ea244c5b.tar.gz lwn-0ccc61b1c76e5163c6fea6cf83bd18e7ea244c5b.zip | |
SUNRPC: Add xdr_stream::rqst field
Having access to the controlling rpc_rqst means a trace point in the
XDR code can report:
- the XID
- the task ID and client ID
- the p_name of RPC being processed
Subsequent patches will introduce such trace points.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
| -rw-r--r-- | include/linux/sunrpc/xdr.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index 2ec128060239..787939d13643 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -217,6 +217,8 @@ struct xdr_stream { struct kvec scratch; /* Scratch buffer */ struct page **page_ptr; /* pointer to the current page */ unsigned int nwords; /* Remaining decode buffer length */ + + struct rpc_rqst *rqst; /* For debugging */ }; /* @@ -227,7 +229,8 @@ typedef void (*kxdreproc_t)(struct rpc_rqst *rqstp, struct xdr_stream *xdr, typedef int (*kxdrdproc_t)(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *obj); -extern void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p); +extern void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, + __be32 *p, struct rpc_rqst *rqst); extern __be32 *xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes); extern void xdr_commit_encode(struct xdr_stream *xdr); extern void xdr_truncate_encode(struct xdr_stream *xdr, size_t len); @@ -235,7 +238,8 @@ extern int xdr_restrict_buflen(struct xdr_stream *xdr, int newbuflen); extern void xdr_write_pages(struct xdr_stream *xdr, struct page **pages, unsigned int base, unsigned int len); extern unsigned int xdr_stream_pos(const struct xdr_stream *xdr); -extern void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p); +extern void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, + __be32 *p, struct rpc_rqst *rqst); extern void xdr_init_decode_pages(struct xdr_stream *xdr, struct xdr_buf *buf, struct page **pages, unsigned int len); extern void xdr_set_scratch_buffer(struct xdr_stream *xdr, void *buf, size_t buflen); |