configfs: use DCACHE_DONTCACHE

Al Viro · Al Viro · commit a509e7cf622b · 2025-06-11T13:41:05.000-04:00
Reviewed-by: Christian Brauner &lt;brauner@kernel.org&gt;
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
@@ -67,7 +67,6 @@ static void configfs_d_iput(struct dentry * dentry,
 
 const struct dentry_operations configfs_dentry_ops = {
 	.d_iput		= configfs_d_iput,
-	.d_delete	= always_delete_dentry,
 };
 
 #ifdef CONFIG_LOCKDEP
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
@@ -93,6 +93,7 @@ static int configfs_fill_super(struct super_block *sb, struct fs_context *fc)
 	root->d_fsdata = &configfs_root;
 	sb->s_root = root;
 	set_default_d_op(sb, &configfs_dentry_ops); /* the rest get that */
+	sb->s_d_flags |= DCACHE_DONTCACHE;
 	return 0;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -93,6 +93,7 @@ static int configfs_fill_super(struct super_block sb, struct fs_context fc)`
`93`	`93`	`root->d_fsdata = &configfs_root;`
`94`	`94`	`sb->s_root = root;`
`95`	`95`	`set_default_d_op(sb, &configfs_dentry_ops); /* the rest get that */`
	`96`	`+ sb->s_d_flags \|= DCACHE_DONTCACHE;`
`96`	`97`	`return 0;`
`97`	`98`	`}`
`98`	`99`