Displaying 1 result from an estimated 1 matches for "ide_start_dma".
2004 Sep 16
1
[PATCH] BUG on fsync/fdatasync with Ext3 data=journal
...t.
We use the "diskio" tool, which is downloadable from OSDL page
(http://developer.osdl.jp/projects/doubt/). The program showed
that the response time was under 10 microseconds. This time
cannot be achieved with data transfer on IDE and PCI bus!
2. The IDE writing routine ide_start_dma() was not called under
DMA enabled.
We inserted the print messages in the sys_write(), sys_fsync()
and ide_start_dma() by the attached patch. Sometimes the
"ide_start_dma: ..." message was not shown between "write: in
..." and "fsync: out ...".
The pr...