taglinefilesource code
using_dma894drivers/block/ide.cif (rq->errors > 3 && drive->using_dma) {  /* DMA troubles? */
using_dma895drivers/block/ide.cdrive->using_dma = 0;
using_dma1257drivers/block/ide.cif (drive->using_dma && !(HWIF(drive)->dmaproc(ide_dma_read, drive)))
using_dma1266drivers/block/ide.cif (drive->using_dma && !(HWIF(drive)->dmaproc(ide_dma_write, drive)))
using_dma1818drivers/block/ide.creturn write_fs_long(arg, drive->using_dma);
using_dma1858drivers/block/ide.cdrive->using_dma = arg;
using_dma264drivers/block/ide.hunsigned using_dma  : 1;  /* disk is using dma for read/write */
using_dma211drivers/block/triton.cdrive->using_dma = 1;
using_dma218drivers/block/triton.cdrive->using_dma = 1;