This is a note to let you know that I've just added the patch titled eventfs: Remove unused d_parent pointer field to the 6.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: eventfs-remove-unused-d_parent-pointer-field.patch and it can be found in the queue-6.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From SRS0=eEWY=JP=rostedt.homelinux.com=rostedt@xxxxxxxxxx Tue Feb 6 12:33:33 2024 From: Steven Rostedt <rostedt@xxxxxxxxxxx> Date: Tue, 06 Feb 2024 06:32:15 -0500 Subject: eventfs: Remove unused d_parent pointer field To: linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Sasha Levin <sashal@xxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Ajay Kaher <ajay.kaher@xxxxxxxxxxxx> Message-ID: <20240206113400.846719926@xxxxxxxxxxxxxxxxxxxxx> From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> commit 408600be78cdb8c650a97ecc7ff411cb216811b5 upstream. It's never used Link: https://lore.kernel.org/linux-trace-kernel/202401291043.e62e89dc-oliver.sang@xxxxxxxxx/ Link: https://lore.kernel.org/linux-trace-kernel/20240131185512.961772428@xxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> Cc: Christian Brauner <brauner@xxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Ajay Kaher <ajay.kaher@xxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Fixes: c1504e510238 ("eventfs: Implement eventfs dir creation functions") Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/tracefs/event_inode.c | 4 +--- fs/tracefs/internal.h | 2 -- 2 files changed, 1 insertion(+), 5 deletions(-) --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -680,10 +680,8 @@ struct eventfs_inode *eventfs_create_dir 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? */ --- a/fs/tracefs/internal.h +++ b/fs/tracefs/internal.h @@ -36,7 +36,6 @@ 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 @@ -51,7 +50,6 @@ 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; Patches currently in stable-queue which might be from rostedt@xxxxxxxxxx are queue-6.7/eventfs-keep-all-directory-links-at-1.patch queue-6.7/eventfs-save-directory-inodes-in-the-eventfs_inode-structure.patch queue-6.7/tracefs-zero-out-the-tracefs_inode-when-allocating-it.patch queue-6.7/eventfs-read-ei-entries-before-ei-children-in-eventfs_iterate.patch queue-6.7/eventfs-remove-lookup-parameter-from-create_dir-file_dentry.patch queue-6.7/eventfs-remove-fsnotify-functions-from-lookup.patch queue-6.7/eventfs-stop-using-dcache_readdir-for-getdents.patch queue-6.7/tracefs-avoid-using-the-ei-dentry-pointer-unnecessarily.patch queue-6.7/eventfs-initialize-the-tracefs-inode-properly.patch queue-6.7/eventfs-do-ctx-pos-update-for-all-iterations-in-eventfs_iterate.patch queue-6.7/tracefs-dentry-lookup-crapectomy.patch queue-6.7/eventfs-have-the-inodes-all-for-files-and-directories-all-be-the-same.patch queue-6.7/eventfs-use-kcalloc-instead-of-kzalloc.patch queue-6.7/eventfs-shortcut-eventfs_iterate-by-skipping-entries-already-read.patch queue-6.7/eventfs-do-not-create-dentries-nor-inodes-in-iterate_shared.patch queue-6.7/eventfs-have-eventfs_iterate-stop-immediately-if-ei-is_freed-is-set.patch queue-6.7/eventfs-restructure-eventfs_inode-structure-to-be-more-condensed.patch queue-6.7/eventfs-warn-if-an-eventfs_inode-is-freed-without-is_freed-being-set.patch queue-6.7/eventfs-get-rid-of-dentry-pointers-without-refcounts.patch queue-6.7/eventfs-remove-unused-d_parent-pointer-field.patch queue-6.7/eventfs-clean-up-dentry-ops-and-add-revalidate-function.patch