statx: add mount ID

Systemd is hacking around to get it and it's trivial to add to statx, so...

Cc: [email protected]
Cc: [email protected]
Signed-off-by: Miklos Szeredi <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/stat.h b/include/linux/stat.h
index 528c4baad091..56614af83d4a 100644
--- a/include/linux/stat.h
+++ b/include/linux/stat.h
@@ -47,6 +47,7 @@ struct kstat {
 	struct timespec64 ctime;
 	struct timespec64 btime;			/* File creation time */
 	u64		blocks;
+	u64		mnt_id;
 };
 
 #endif