Lines Matching full:ahead
80 #define READA 2 /* read-ahead - don't block if no resources */
189 #define BLKRASET _IO(0x12,98) /* set read ahead for block device */
190 #define BLKRAGET _IO(0x12,99) /* get current read ahead setting */
191 #define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
192 #define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
662 unsigned long ahead_start; /* Ahead window */
