The stateid is extremely valuable when debugging.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/callback_proc.c | 16 +++++++++---
fs/nfs/nfs4trace.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 79 insertions(+), 6 deletions(-)
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 724a9b756ab0..e4dbab5dce6e 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -83,8 +83,11 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
res = htonl(NFS4ERR_BADHANDLE);
inode = nfs_delegation_find_inode(cps->clp, &args->fh);
- if (inode == NULL)
+ if (inode == NULL) {
+ trace_nfs4_cb_recall(cps->clp, &args->fh, NULL,
+ &args->stateid, -ntohl(res));
goto out;
+ }
/* Set up a helper thread to actually return the delegation */
switch (nfs_async_inode_return_delegation(inode, &args->stateid)) {
case 0:
@@ -96,7 +99,8 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
default:
res = htonl(NFS4ERR_RESOURCE);
}
- trace_nfs4_recall_delegation(inode, -ntohl(res));
+ trace_nfs4_cb_recall(cps->clp, &args->fh, inode,
+ &args->stateid, -ntohl(res));
iput(inode);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(res));
@@ -185,8 +189,11 @@ static u32 initiate_file_draining(struct nfs_client *clp,
LIST_HEAD(free_me_list);
lo = get_layout_by_fh(clp, &args->cbl_fh, &args->cbl_stateid);
- if (!lo)
+ if (!lo) {
+ trace_nfs4_cb_layoutrecall_file(clp, &args->cbl_fh, NULL,
+ &args->cbl_stateid, -rv);
goto out;
+ }
ino = lo->plh_inode;
@@ -227,7 +234,8 @@ unlock:
spin_unlock(&ino->i_lock);
pnfs_free_lseg_list(&free_me_list);
pnfs_put_layout_hdr(lo);
- trace_nfs4_cb_layoutrecall_inode(clp, &args->cbl_fh, ino, -rv);
+ trace_nfs4_cb_layoutrecall_file(clp, &args->cbl_fh, ino,
+ &args->cbl_stateid, -rv);
iput(ino);
out:
return rv;
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index d08d0c84b778..88b6b14ce71b 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -982,7 +982,6 @@ DEFINE_NFS4_INODE_EVENT(nfs4_set_acl);
DEFINE_NFS4_INODE_EVENT(nfs4_get_security_label);
DEFINE_NFS4_INODE_EVENT(nfs4_set_security_label);
#endif /* CONFIG_NFS_V4_SECURITY_LABEL */
-DEFINE_NFS4_INODE_EVENT(nfs4_recall_delegation);
DECLARE_EVENT_CLASS(nfs4_inode_stateid_event,
TP_PROTO(
@@ -1145,8 +1144,74 @@ DECLARE_EVENT_CLASS(nfs4_inode_callback_event,
), \
TP_ARGS(clp, fhandle, inode, error))
DEFINE_NFS4_INODE_CALLBACK_EVENT(nfs4_cb_getattr);
-DEFINE_NFS4_INODE_CALLBACK_EVENT(nfs4_cb_layoutrecall_inode);
+DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
+ TP_PROTO(
+ const struct nfs_client *clp,
+ const struct nfs_fh *fhandle,
+ const struct inode *inode,
+ const nfs4_stateid *stateid,
+ int error
+ ),
+
+ TP_ARGS(clp, fhandle, inode, stateid, error),
+
+ TP_STRUCT__entry(
+ __field(int, error)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ __string(dstaddr, clp ?
+ rpc_peeraddr2str(clp->cl_rpcclient,
+ RPC_DISPLAY_ADDR) : "unknown")
+ __field(int, stateid_seq)
+ __field(u32, stateid_hash)
+ ),
+
+ TP_fast_assign(
+ __entry->error = error;
+ __entry->fhandle = nfs_fhandle_hash(fhandle);
+ if (inode != NULL) {
+ __entry->fileid = NFS_FILEID(inode);
+ __entry->dev = inode->i_sb->s_dev;
+ } else {
+ __entry->fileid = 0;
+ __entry->dev = 0;
+ }
+ __assign_str(dstaddr, clp ?
+ rpc_peeraddr2str(clp->cl_rpcclient,
+ RPC_DISPLAY_ADDR) : "unknown")
+ __entry->stateid_seq =
+ be32_to_cpu(stateid->seqid);
+ __entry->stateid_hash =
+ nfs_stateid_hash(stateid);
+ ),
+
+ TP_printk(
+ "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "stateid=%d:0x%08x dstaddr=%s",
+ __entry->error,
+ show_nfsv4_errors(__entry->error),
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->stateid_seq, __entry->stateid_hash,
+ __get_str(dstaddr)
+ )
+);
+
+#define DEFINE_NFS4_INODE_STATEID_CALLBACK_EVENT(name) \
+ DEFINE_EVENT(nfs4_inode_stateid_callback_event, name, \
+ TP_PROTO( \
+ const struct nfs_client *clp, \
+ const struct nfs_fh *fhandle, \
+ const struct inode *inode, \
+ const nfs4_stateid *stateid, \
+ int error \
+ ), \
+ TP_ARGS(clp, fhandle, inode, stateid, error))
+DEFINE_NFS4_INODE_STATEID_CALLBACK_EVENT(nfs4_cb_recall);
+DEFINE_NFS4_INODE_STATEID_CALLBACK_EVENT(nfs4_cb_layoutrecall_file);
DECLARE_EVENT_CLASS(nfs4_idmap_event,
TP_PROTO(
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
