Function prototype or declaration at include/linux/blkdev.h, line 1072 References: block/blk-core.c, line 3166 block/blk-core.c, line 3185 block/blk-lib.c, line 73 block/blk-throttle.c, line 1104 drivers/block/xen-blkback/blkback.c, line 1392 drivers/md/dm-bufio.c, line 736 drivers/md/dm-bufio.c, line 1149 drivers/md/dm-bufio.c, line 1161 drivers/md/dm-crypt.c, line 1234 drivers/md/dm-kcopyd.c, line 592 drivers/md/dm-thin.c, line 2021 drivers/md/md.c, line 7954 drivers/md/raid1.c, line 2410 drivers/md/raid10.c, line 2712 drivers/md/raid5.c, line 5797 drivers/md/raid5.c, line 5850 drivers/target/target_core_iblock.c, line 346 fs/aio.c, line 1595 fs/block_dev.c, line 1657 fs/btrfs/scrub.c, line 3185 fs/btrfs/transaction.c, line 1055 fs/btrfs/tree-log.c, line 2786 fs/btrfs/volumes.c, line 353 fs/btrfs/volumes.c, line 446 fs/btrfs/volumes.c, line 502 fs/buffer.c, line 733 fs/direct-io.c, line 1253 fs/ext4/file.c, line 139 fs/ext4/inode.c, line 2496 fs/ext4/inode.c, line 2564 fs/f2fs/checkpoint.c, line 855 fs/f2fs/gc.c, line 785 fs/f2fs/node.c, line 1073 fs/fs-writeback.c, line 1614 fs/fs-writeback.c, line 1653 fs/gfs2/log.c, line 152 fs/hpfs/buffer.c, line 57 fs/jbd2/checkpoint.c, line 187 fs/jbd2/commit.c, line 556 fs/mpage.c, line 689 fs/nfs/blocklayout/blocklayout.c, line 248 fs/nfs/blocklayout/blocklayout.c, line 392 fs/xfs/xfs_buf.c, line 1289 fs/xfs/xfs_buf.c, line 1821 fs/xfs/xfs_dir2_readdir.c, line 410 fs/xfs/xfs_itable.c, line 191 include/linux/blkdev.h, line 1072 include/linux/blkdev.h, line 1694 mm/madvise.c, line 709 mm/page-writeback.c, line 2339 mm/readahead.c, line 117 mm/swap_state.c, line 489 mm/vmscan.c, line 2238