Function prototype or declaration at include/linux/pagemap.h, line 231 References: drivers/staging/pohmelfs/inode.c, line 690 fs/afs/rxrpc.c, line 261 fs/afs/write.c, line 296 fs/afs/write.c, line 346 fs/afs/write.c, line 632 fs/btrfs/compression.c, line 249 fs/btrfs/extent_io.c, line 1238 fs/btrfs/extent_io.c, line 1274 fs/btrfs/extent_io.c, line 1434 fs/splice.c, line 296 include/linux/pagemap.h, line 231 mm/filemap.c, line 816 mm/filemap.c, line 860