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

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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: 834bf76add ("eventfs: Save directory inodes in the eventfs_inode structure")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Google) 2024-05-23 01:14:26 -04:00
parent fa3889d970
commit 8898e7f288
1 changed files with 5 additions and 1 deletions
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6
fs/tracefs/event_inode.c
View File

@ -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;
}