nfs: add new tracepoint at nfs4 revalidate entry point

jtlayton · amschuma-ntap · commit 283064fca3e8 · 2024-01-04T10:47:56.000-05:00
Add a call to the v4 d_revalidate entrypoint, just like the v3 one.

Signed-off-by: Jeff Layton &lt;jlayton@kernel.org&gt;
Reviewed-by: Chuck Lever &lt;chuck.lever@oracle.com&gt;
Signed-off-by: Anna Schumaker &lt;Anna.Schumaker@Netapp.com&gt;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
@@ -2194,6 +2194,8 @@ nfs4_do_lookup_revalidate(struct inode *dir, struct dentry *dentry,
 {
 	struct inode *inode;
 
+	trace_nfs_lookup_revalidate_enter(dir, dentry, flags);
+
 	if (!(flags & LOOKUP_OPEN) || (flags & LOOKUP_DIRECTORY))
 		goto full_reval;
 	if (d_mountpoint(dentry))

Original file line number	Diff line number	Diff line change
`@@ -2194,6 +2194,8 @@ nfs4_do_lookup_revalidate(struct inode dir, struct dentry dentry,`
`2194`	`2194`	`{`
`2195`	`2195`	`struct inode *inode;`
`2196`	`2196`
	`2197`	`+ trace_nfs_lookup_revalidate_enter(dir, dentry, flags);`
	`2198`	`+`
`2197`	`2199`	`if (!(flags & LOOKUP_OPEN) \|\| (flags & LOOKUP_DIRECTORY))`
`2198`	`2200`	`goto full_reval;`
`2199`	`2201`	`if (d_mountpoint(dentry))`