Extern or forward variable declaration at include/linux/buffer_head.h, line 48 References: drivers/block/loop.c, line 215 drivers/block/loop.c, line 633 drivers/block/loop.c, line 718 drivers/mtd/devices/block2mtd.c, line 38 drivers/mtd/devices/block2mtd.c, line 46 drivers/mtd/devices/block2mtd.c, line 147 fs/adfs/inode.c, line 64 fs/adfs/inode.c, line 74 fs/affs/file.c, line 405 fs/affs/file.c, line 415 fs/affs/file.c, line 611 fs/affs/file.c, line 648 fs/affs/file.c, line 823 fs/befs/linuxvfs.c, line 36 fs/befs/linuxvfs.c, line 102 fs/bfs/file.c, line 168 fs/bfs/file.c, line 177 fs/block_dev.c, line 187 fs/block_dev.c, line 196 fs/buffer.c, line 264 fs/buffer.c, line 348 fs/buffer.c, line 642 fs/buffer.c, line 644 fs/buffer.c, line 673 fs/buffer.c, line 674 fs/buffer.c, line 700 fs/buffer.c, line 754 fs/buffer.c, line 798 fs/buffer.c, line 871 fs/buffer.c, line 873 fs/buffer.c, line 894 fs/buffer.c, line 896 fs/buffer.c, line 1228 fs/buffer.c, line 1972 fs/buffer.c, line 2025 fs/buffer.c, line 2061 fs/buffer.c, line 2244 fs/buffer.c, line 2272 fs/buffer.c, line 2345 fs/buffer.c, line 2474 fs/buffer.c, line 2619 fs/buffer.c, line 2705 fs/buffer.c, line 2781 fs/buffer.c, line 2895 fs/buffer.c, line 3116 fs/buffer.c, line 3165 fs/cramfs/inode.c, line 139 fs/direct-io.c, line 1174 fs/efs/inode.c, line 20 fs/ext2/dir.c, line 86 fs/ext2/dir.c, line 193 fs/ext2/dir.c, line 575 fs/ext2/dir.c, line 620 fs/ext2/inode.c, line 726 fs/ext2/inode.c, line 732 fs/ext2/inode.c, line 741 fs/ext2/inode.c, line 750 fs/ext2/inode.c, line 769 fs/ext2/inode.c, line 786 fs/ext2/xip.c, line 77 fs/ext3/inode.c, line 1146 fs/ext3/inode.c, line 1229 fs/ext3/inode.c, line 1253 fs/ext3/inode.c, line 1295 fs/ext3/inode.c, line 1324 fs/ext3/inode.c, line 1380 fs/ext3/inode.c, line 1653 fs/ext3/inode.c, line 1845 fs/ext3/inode.c, line 2335 fs/ext4/extents.c, line 2910 fs/ext4/file.c, line 133 fs/ext4/inode.c, line 1325 fs/ext4/inode.c, line 1400 fs/ext4/inode.c, line 1437 fs/ext4/inode.c, line 1470 fs/ext4/inode.c, line 1647 fs/ext4/inode.c, line 1712 fs/ext4/inode.c, line 1800 fs/ext4/inode.c, line 2114 fs/ext4/inode.c, line 2371 fs/ext4/inode.c, line 2518 fs/ext4/inode.c, line 2605 fs/ext4/inode.c, line 2704 fs/ext4/inode.c, line 2869 fs/ext4/inode.c, line 2975 fs/ext4/inode.c, line 3189 fs/ext4/inode.c, line 3686 fs/ext4/inode.c, line 4956 fs/fat/file.c, line 151 fs/fat/inode.c, line 128 fs/fat/inode.c, line 139 fs/fat/inode.c, line 145 fs/fat/inode.c, line 155 fs/fat/inode.c, line 200 fs/freevxfs/vxfs_subr.c, line 43 fs/freevxfs/vxfs_subr.c, line 70 fs/freevxfs/vxfs_subr.c, line 182 fs/fs-writeback.c, line 272 fs/fs-writeback.c, line 454 fs/fs-writeback.c, line 756 fs/gfs2/bmap.c, line 953 fs/gfs2/glops.c, line 148 fs/gfs2/glops.c, line 163 fs/gfs2/lops.c, line 500 fs/gfs2/meta_io.c, line 102 fs/gfs2/meta_io.c, line 121 fs/gfs2/meta_io.c, line 142 fs/gfs2/ops_address.c, line 248 fs/gfs2/ops_address.c, line 265 fs/gfs2/ops_address.c, line 342 fs/gfs2/ops_address.c, line 411 fs/gfs2/ops_address.c, line 509 fs/gfs2/ops_address.c, line 546 fs/gfs2/ops_address.c, line 588 fs/gfs2/ops_address.c, line 624 fs/gfs2/ops_address.c, line 817 fs/gfs2/ops_address.c, line 894 fs/gfs2/quota.c, line 607 fs/hfs/bnode.c, line 239 fs/hfs/btree.c, line 21 fs/hfs/extent.c, line 466 fs/hfs/inode.c, line 38 fs/hfs/inode.c, line 48 fs/hfs/inode.c, line 116 fs/hfsplus/bitmap.c, line 21 fs/hfsplus/bitmap.c, line 164 fs/hfsplus/bnode.c, line 399 fs/hfsplus/btree.c, line 24 fs/hfsplus/extents.c, line 447 fs/hfsplus/inode.c, line 30 fs/hfsplus/inode.c, line 40 fs/hfsplus/inode.c, line 113 fs/hpfs/file.c, line 95 fs/hpfs/file.c, line 105 fs/inode.c, line 124 fs/ioctl.c, line 62 fs/isofs/compress.c, line 46 fs/isofs/inode.c, line 1085 fs/jbd2/commit.c, line 192 fs/jbd2/commit.c, line 220 fs/jfs/inode.c, line 273 fs/jfs/inode.c, line 284 fs/jfs/inode.c, line 290 fs/jfs/inode.c, line 298 fs/jfs/jfs_logmgr.c, line 213 fs/jfs/jfs_metapage.c, line 589 fs/jfs/jfs_metapage.c, line 774 fs/minix/dir.c, line 55 fs/minix/dir.c, line 73 fs/minix/dir.c, line 310 fs/minix/dir.c, line 334 fs/minix/dir.c, line 434 fs/minix/inode.c, line 355 fs/minix/inode.c, line 363 fs/minix/inode.c, line 371 fs/mpage.c, line 372 fs/mpage.c, line 445 fs/mpage.c, line 671 fs/ntfs/aops.c, line 1592 fs/ntfs/attrib.c, line 2496 fs/ntfs/compress.c, line 485 fs/ntfs/dir.c, line 93 fs/ntfs/dir.c, line 647 fs/ntfs/dir.c, line 1113 fs/ntfs/file.c, line 124 fs/ntfs/file.c, line 414 fs/ntfs/file.c, line 1787 fs/ntfs/file.c, line 2101 fs/ntfs/file.c, line 2139 fs/ntfs/file.c, line 2165 fs/ntfs/logfile.c, line 488 fs/ntfs/mft.c, line 1136 fs/ocfs2/alloc.c, line 6494 fs/ocfs2/aops.c, line 344 fs/ocfs2/aops.c, line 502 fs/ocfs2/aops.c, line 1168 fs/ocfs2/aops.c, line 1237 fs/ocfs2/aops.c, line 1338 fs/ocfs2/aops.c, line 1504 fs/ocfs2/aops.c, line 1569 fs/ocfs2/aops.c, line 1658 fs/ocfs2/aops.c, line 1806 fs/ocfs2/aops.c, line 1874 fs/ocfs2/aops.c, line 1957 fs/ocfs2/file.c, line 686 fs/ocfs2/file.c, line 1315 fs/ocfs2/file.c, line 1404 fs/ocfs2/mmap.c, line 91 fs/ocfs2/symlink.c, line 67 fs/omfs/file.c, line 309 fs/omfs/file.c, line 321 fs/omfs/file.c, line 326 fs/omfs/file.c, line 335 fs/qnx4/inode.c, line 443 fs/qnx4/inode.c, line 453 fs/reiserfs/inode.c, line 1043 fs/reiserfs/inode.c, line 2540 fs/reiserfs/inode.c, line 2658 fs/reiserfs/inode.c, line 2663 fs/reiserfs/ioctl.c, line 165 fs/reiserfs/xattr.c, line 380 fs/reiserfs/xattr.c, line 422 fs/splice.c, line 43 fs/splice.c, line 273 fs/splice.c, line 560 fs/splice.c, line 764 fs/splice.c, line 822 fs/sync.c, line 82 fs/sync.c, line 269 fs/sysv/dir.c, line 43 fs/sysv/dir.c, line 61 fs/sysv/dir.c, line 245 fs/sysv/dir.c, line 265 fs/sysv/dir.c, line 347 fs/sysv/itree.c, line 462 fs/sysv/itree.c, line 470 fs/sysv/itree.c, line 478 fs/sysv/sysv.h, line 139 fs/udf/file.c, line 82 fs/udf/inode.c, line 126 fs/udf/inode.c, line 135 fs/ufs/balloc.c, line 255 fs/ufs/dir.c, line 45 fs/ufs/dir.c, line 193 fs/ufs/dir.c, line 521 fs/ufs/dir.c, line 570 fs/ufs/inode.c, line 568 fs/ufs/inode.c, line 576 fs/ufs/inode.c, line 584 fs/ufs/truncate.c, line 384 fs/ufs/util.c, line 248 fs/ufs/util.h, line 260 fs/ufs/util.h, line 284 fs/xfs/linux-2.6/xfs_buf.h, line 111 include/linux/buffer_head.h, line 48 include/linux/buffer_head.h, line 73 include/linux/buffer_head.h, line 163 include/linux/buffer_head.h, line 209 include/linux/buffer_head.h, line 212 include/linux/buffer_head.h, line 215 include/linux/buffer_head.h, line 220 include/linux/buffer_head.h, line 228 include/linux/buffer_head.h, line 229 include/linux/buffer_head.h, line 231 include/linux/buffer_head.h, line 234 include/linux/buffer_head.h, line 237 include/linux/buffer_head.h, line 345 mm/filemap.c, line 117 mm/filemap.c, line 141 mm/filemap.c, line 152 mm/filemap.c, line 207 mm/filemap.c, line 225 mm/filemap.c, line 231 mm/filemap.c, line 237 mm/filemap.c, line 251 mm/filemap.c, line 266 mm/filemap.c, line 323 mm/filemap.c, line 355 mm/filemap.c, line 380 mm/filemap.c, line 392 mm/filemap.c, line 425 mm/filemap.c, line 455 mm/filemap.c, line 493 mm/filemap.c, line 653 mm/filemap.c, line 696 mm/filemap.c, line 733 mm/filemap.c, line 772 mm/filemap.c, line 825 mm/filemap.c, line 882 mm/filemap.c, line 942 mm/filemap.c, line 1001 mm/filemap.c, line 1311 mm/filemap.c, line 1358 mm/filemap.c, line 1378 mm/filemap.c, line 1407 mm/filemap.c, line 1447 mm/filemap.c, line 1608 mm/filemap.c, line 1641 mm/filemap.c, line 1686 mm/filemap.c, line 1734 mm/filemap.c, line 2033 mm/filemap.c, line 2044 mm/filemap.c, line 2061 mm/filemap.c, line 2150 mm/filemap.c, line 2181 mm/filemap.c, line 2271 mm/filemap.c, line 2312 mm/filemap.c, line 2411 mm/filemap.c, line 2435 mm/filemap.c, line 2473 mm/migrate.c, line 164 mm/migrate.c, line 269 mm/migrate.c, line 401 mm/migrate.c, line 414 mm/migrate.c, line 437 mm/migrate.c, line 494 mm/migrate.c, line 536 mm/migrate.c, line 566 mm/page-writeback.c, line 422 mm/page-writeback.c, line 532 mm/page-writeback.c, line 553 mm/page-writeback.c, line 862 mm/page-writeback.c, line 975 mm/page-writeback.c, line 989 mm/page-writeback.c, line 1001 mm/page-writeback.c, line 1027 mm/page-writeback.c, line 1083 mm/page-writeback.c, line 1084 mm/page-writeback.c, line 1132 mm/page-writeback.c, line 1195 mm/page-writeback.c, line 1252 mm/page-writeback.c, line 1281 mm/page-writeback.c, line 1316 mm/swap.c, line 521 mm/swap.c, line 530 mm/swap_state.c, line 40 mm/truncate.c, line 74 mm/truncate.c, line 97 mm/truncate.c, line 122 mm/truncate.c, line 161 mm/truncate.c, line 264 mm/truncate.c, line 270 mm/truncate.c, line 331 mm/truncate.c, line 346 mm/truncate.c, line 369 mm/truncate.c, line 389 mm/truncate.c, line 469 mm/vmscan.c, line 237 mm/vmscan.c, line 283 mm/vmscan.c, line 314 mm/vmscan.c, line 398 mm/vmscan.c, line 460 mm/vmscan.c, line 569 mm/vmscan.c, line 2416