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BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty

read-write to 0xffff888137ae5700 of 8 bytes by task 30473 on cpu 0:
 worker_thread+0x618/0xa70 kernel/workqueue.c:2436
 kthread+0x1a9/0x1e0 kernel/kthread.c:376
 __mark_inode_dirty+0xd5/0x620 fs/fs-writeback.c:2402
 generic_update_time fs/inode.c:1856 [inline]
 inode_update_time+0x1b3/0x1d0 fs/inode.c:1869
 __generic_file_write_iter+0x98/0x280 mm/filemap.c:3847