NFSv4.2: Add a tracepoint for listxattr

This can be defined as simply an NFS4_INODE_EVENT() since we don't have the name of a specific xattr to list. This roughly matches readdir, which also uses an NFS4_INODE_EVENT() tracepoint. Signed-off-by: Anna Schumaker <[email protected]>
alobakin · Oct 5, 2022 · a0b685e · a0b685e
1 parent 27ffed1
commit a0b685e
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diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
@@ -1320,6 +1320,7 @@ static ssize_t _nfs42_proc_listxattrs(struct inode *inode, void *buf,
 
  ret = nfs4_call_sync(server->client, server, &msg, &arg.seq_args,
  &res.seq_res, 0);
+ trace_nfs4_listxattr(inode, ret);
 
  if (ret >= 0) {
  ret = res.copied;

diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
@@ -2542,6 +2542,8 @@ DECLARE_EVENT_CLASS(nfs4_xattr_event,
 DEFINE_NFS4_XATTR_EVENT(nfs4_getxattr);
 DEFINE_NFS4_XATTR_EVENT(nfs4_setxattr);
 DEFINE_NFS4_XATTR_EVENT(nfs4_removexattr);
+
+DEFINE_NFS4_INODE_EVENT(nfs4_listxattr);
 #endif /* CONFIG_NFS_V4_2 */
 
 #endif /* CONFIG_NFS_V4_1 */