[PATCH 4/6] eventfs: remove unused 'd_parent' pointer field

Linus Torvalds
2024-01-30T19:04:20Z

It's never used

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/tracefs/event_inode.c | 4 +---
fs/tracefs/internal.h | 2 --
2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index ad11063bdd53..1d0102bfd7da 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -685,10 +685,8 @@ struct eventfs_inode *eventfs_create_dir(const char *name, struct eventfs_inode
INIT_LIST_HEAD(&ei->list);

mutex_lock(&eventfs_mutex);
- if (!parent->is_freed) {
+ if (!parent->is_freed)
list_add_tail(&ei->list, &parent->children);
- ei->d_parent = parent->dentry;
- }
mutex_unlock(&eventfs_mutex);

/* Was the parent freed? */
diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
index 91c2bf0b91d9..8f38740bfb5b 100644
--- a/fs/tracefs/internal.h
+++ b/fs/tracefs/internal.h
@@ -35,7 +35,6 @@ struct eventfs_attr {
* @name: the name of the directory to create
* @children: link list into the child eventfs_inode
* @dentry: the dentry of the directory
- * @d_parent: pointer to the parent's dentry
* @d_children: The array of dentries to represent the files when created
* @entry_attrs: Saved mode and ownership of the @d_children
* @attr: Saved mode and ownership of eventfs_inode itself
@@ -50,7 +49,6 @@ struct eventfs_inode {
const char *name;
struct list_head children;
struct dentry *dentry; /* Check is_freed to access */
- struct dentry *d_parent;
struct dentry **d_children;
struct eventfs_attr *entry_attrs;
struct eventfs_attr attr;
--
2.43.0.5.g38fb137bdb