Commit 8898e7f2 authored May 23, 2024 by Steven Rostedt (Google)

eventfs: Keep the directories from having the same inode number as files

The directories require unique inode numbers but all the eventfs files
have the same inode number. Prevent the directories from having the same
inode numbers as the files as that can confuse some tooling.

Link: https://lore.kernel.org/linux-trace-kernel/20240523051539.428826685@goodmis.org



Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Fixes: 834bf76a ("eventfs: Save directory inodes in the eventfs_inode structure")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

parent fa3889d9

fs/tracefs/event_inode.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -50,8 +50,12 @@ static struct eventfs_root_inode get_root_inode(struct eventfs_inode ei)
		/* Just try to make something consistent and unique */
		static int eventfs_dir_ino(struct eventfs_inode *ei)
		{
		if (!ei->ino)
		if (!ei->ino) {
		ei->ino = get_next_ino();
		/* Must not have the file inode number */
		if (ei->ino == EVENTFS_FILE_INODE_INO)
		ei->ino = get_next_ino();
		}

		return ei->ino;
		}