Fix cache leak in umount simplefs

RoyWFHuang · RoyWFHuang · commit 78827514c865 · 2024-06-27T15:36:49.000+08:00
diff --git a/super.c b/super.c
@@ -29,6 +29,7 @@ int simplefs_init_inode_cache(void)
 void simplefs_destroy_inode_cache(void)
 {
     kmem_cache_destroy(simplefs_inode_cache);
+    rcu_barrier();
 }
 
 static struct inode *simplefs_alloc_inode(struct super_block *sb)

Original file line number	Diff line number	Diff line change
`@@ -29,6 +29,7 @@ int simplefs_init_inode_cache(void)`
`29`	`29`	`void simplefs_destroy_inode_cache(void)`
`30`	`30`	`{`
`31`	`31`	`kmem_cache_destroy(simplefs_inode_cache);`
	`32`	`+ rcu_barrier();`
`32`	`33`	`}`
`33`	`34`
`34`	`35`	`static struct inode simplefs_alloc_inode(struct super_block sb)`