Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/fs/stat.c b/fs/stat.c
index f721d26ec3..77cdc69eb4 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -41,7 +41,7 @@
  * the vfsmount must be passed through @idmap. This function will then
  * take care to map the inode according to @idmap before filling in the
  * uid and gid filds. On non-idmapped mounts or if permission checking is to be
- * performed on the raw inode simply passs @nop_mnt_idmap.
+ * performed on the raw inode simply pass @nop_mnt_idmap.
  */
 void generic_fillattr(struct mnt_idmap *idmap, u32 request_mask,
 		      struct inode *inode, struct kstat *stat)
@@ -247,8 +247,13 @@ retry:
 
 	error = vfs_getattr(&path, stat, request_mask, flags);
 
-	stat->mnt_id = real_mount(path.mnt)->mnt_id;
-	stat->result_mask |= STATX_MNT_ID;
+	if (request_mask & STATX_MNT_ID_UNIQUE) {
+		stat->mnt_id = real_mount(path.mnt)->mnt_id_unique;
+		stat->result_mask |= STATX_MNT_ID_UNIQUE;
+	} else {
+		stat->mnt_id = real_mount(path.mnt)->mnt_id;
+		stat->result_mask |= STATX_MNT_ID;
+	}
 
 	if (path.mnt->mnt_root == path.dentry)
 		stat->attributes |= STATX_ATTR_MOUNT_ROOT;