taglinefilesource code
read_ahead1837drivers/block/cdu31a.cread_ahead[MAJOR_NR] = 8;               /* 8 sector (4kB) read-ahead */
read_ahead732drivers/block/hd.cread_ahead[MAJOR_NR] = 8;    /* 8 sector (4kB) read-ahead */
read_ahead34drivers/block/ll_rw_blk.cint read_ahead[MAX_BLKDEV] = {0, };
read_ahead828drivers/block/mcd.cread_ahead[MAJOR_NR] = 4;
read_ahead92drivers/block/xd.cread_ahead[MAJOR_NR] = 8;  /* 8 sector (4kB) read ahead */
read_ahead896drivers/scsi/sd.cread_ahead[MAJOR_NR] = 32;
read_ahead899drivers/scsi/sd.cread_ahead[MAJOR_NR] = 4;  /* 4 sector read-ahead */
read_ahead746drivers/scsi/sr.cread_ahead[MAJOR_NR] = 32;  /* 32 sector read-ahead.  Always removable. */
read_ahead748drivers/scsi/sr.cread_ahead[MAJOR_NR] = 4;  /* 4 sector read-ahead */
read_ahead127fs/block_dev.cblocks += read_ahead[MAJOR(dev)] / (blocksize >> 9);
read_ahead107fs/ext/file.cblocks += read_ahead[MAJOR(inode->i_dev)] / (BLOCK_SIZE >> 9);
read_ahead115fs/ext2/file.cblocks += read_ahead[MAJOR(inode->i_dev)] >>
read_ahead148fs/isofs/file.cra_blocks = read_ahead[MAJOR(inode->i_dev)] / (BLOCK_SIZE >> 9);
read_ahead101fs/minix/file.cblocks += read_ahead[MAJOR(inode->i_dev)] / (BLOCK_SIZE >> 9);
read_ahead146fs/sysv/file.cblocks += read_ahead[MAJOR(inode->i_dev)] >> (sb->sv_block_size_bits - 9);
read_ahead100fs/xiafs/file.czones += read_ahead[MAJOR(inode->i_dev)] >> (1+XIAFS_ZSHIFT(inode->i_sb));
read_ahead399include/linux/fs.hextern int read_ahead[];