==================================================================
BUG: KCSAN: data-race in delete_from_page_cache_batch / nr_blockdev_pages

read-write to 0xffff888100630bb8 of 8 bytes by task 4835 on cpu 1:
 page_cache_delete_batch mm/filemap.c:324 [inline]
 delete_from_page_cache_batch+0x4f4/0x710 mm/filemap.c:343
 truncate_inode_pages_range+0x1c5/0x6b0 mm/truncate.c:359
 truncate_inode_pages+0x24/0x30 mm/truncate.c:439
 kill_bdev block/bdev.c:90 [inline]
 blkdev_flush_mapping+0xa5/0x1a0 block/bdev.c:664
 blkdev_put_whole block/bdev.c:671 [inline]
 bdev_release+0x305/0x430 block/bdev.c:1096
 blkdev_release+0x15/0x20 block/fops.c:623