Function prototype or declaration at include/linux/blkdev.h, line 1112 References: block/blk-core.c, line 2995 block/blk-core.c, line 3015 block/blk-lib.c, line 84 block/blk-throttle.c, line 1281 drivers/block/xen-blkback/blkback.c, line 1301 drivers/md/dm-bufio.c, line 644 drivers/md/dm-bufio.c, line 1071 drivers/md/dm-bufio.c, line 1083 drivers/md/dm-kcopyd.c, line 592 drivers/md/dm-thin.c, line 1552 drivers/md/md.c, line 7559 drivers/md/raid1.c, line 2420 drivers/md/raid10.c, line 2812 drivers/md/raid5.c, line 5210 drivers/md/raid5.c, line 5251 drivers/target/target_core_iblock.c, line 366 fs/aio.c, line 1565 fs/block_dev.c, line 1581 fs/btrfs/scrub.c, line 2405 fs/btrfs/transaction.c, line 882 fs/btrfs/tree-log.c, line 2528 fs/btrfs/volumes.c, line 279 fs/btrfs/volumes.c, line 369 fs/btrfs/volumes.c, line 426 fs/buffer.c, line 743 fs/direct-io.c, line 1234 fs/ext4/file.c, line 141 fs/ext4/inode.c, line 2324 fs/ext4/inode.c, line 2392 fs/f2fs/checkpoint.c, line 747 fs/f2fs/gc.c, line 664 fs/f2fs/node.c, line 1018 fs/gfs2/log.c, line 152 fs/hpfs/buffer.c, line 30 fs/jbd/checkpoint.c, line 263 fs/jbd/commit.c, line 447 fs/jbd/commit.c, line 506 fs/jbd2/checkpoint.c, line 244 fs/jbd2/commit.c, line 558 fs/mpage.c, line 680 fs/xfs/xfs_buf.c, line 1365 fs/xfs/xfs_buf.c, line 1813 fs/xfs/xfs_dir2_readdir.c, line 426 fs/xfs/xfs_itable.c, line 195 include/linux/blkdev.h, line 1112 include/linux/blkdev.h, line 1654 mm/madvise.c, line 510 mm/page-writeback.c, line 2028 mm/readahead.c, line 118 mm/swap_state.c, line 481 mm/vmscan.c, line 2102