Function prototype or declaration at include/linux/blkdev.h, line 1108 References: block/blk-core.c, line 3196 block/blk-core.c, line 3203 block/blk-lib.c, line 131 block/blk-throttle.c, line 1284 drivers/block/xen-blkback/blkback.c, line 1364 drivers/md/dm-bufio.c, line 718 drivers/md/dm-bufio.c, line 1129 drivers/md/dm-bufio.c, line 1152 drivers/md/dm-crypt.c, line 1227 drivers/md/dm-kcopyd.c, line 596 drivers/md/dm-thin.c, line 1827 drivers/md/md.c, line 7906 drivers/md/raid1.c, line 2456 drivers/md/raid10.c, line 2838 drivers/md/raid5.c, line 5778 drivers/md/raid5.c, line 5858 drivers/target/target_core_iblock.c, line 370 fs/aio.c, line 1610 fs/block_dev.c, line 1623 fs/btrfs/scrub.c, line 3316 fs/btrfs/transaction.c, line 991 fs/btrfs/tree-log.c, line 2689 fs/btrfs/tree-log.c, line 2734 fs/btrfs/tree-log.c, line 2750 fs/btrfs/tree-log.c, line 2758 fs/btrfs/tree-log.c, line 2784 fs/btrfs/tree-log.c, line 2795 fs/btrfs/volumes.c, line 361 fs/btrfs/volumes.c, line 417 fs/btrfs/volumes.c, line 433 fs/buffer.c, line 761 fs/direct-io.c, line 1264 fs/ext4/file.c, line 181 fs/ext4/inode.c, line 2401 fs/ext4/inode.c, line 2537 fs/f2fs/checkpoint.c, line 849 fs/f2fs/gc.c, line 681 fs/f2fs/node.c, line 1109 fs/gfs2/log.c, line 162 fs/hpfs/buffer.c, line 38 fs/jbd/checkpoint.c, line 266 fs/jbd/commit.c, line 450 fs/jbd/commit.c, line 700 fs/jbd2/checkpoint.c, line 190 fs/jbd2/commit.c, line 808 fs/mpage.c, line 698 fs/nfs/blocklayout/blocklayout.c, line 314 fs/nfs/blocklayout/blocklayout.c, line 436 fs/xfs/xfs_buf.c, line 1292 fs/xfs/xfs_buf.c, line 1826 fs/xfs/xfs_dir2_readdir.c, line 458 fs/xfs/xfs_itable.c, line 199 include/linux/blkdev.h, line 1108 include/linux/blkdev.h, line 1647 mm/madvise.c, line 542 mm/page-writeback.c, line 2023 mm/readahead.c, line 139 mm/swap_state.c, line 481 mm/vmscan.c, line 2225