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DateFri, 23 Sep 2005 11:06:13 +0530
FromKarthik Sarangan <>
SubjectRe: O_DIRECT for block device
Joel Becker wrote:
> On Thu, Sep 22, 2005 at 04:59:20PM +0530, Karthik Sarangan wrote:
> 
>>I tried your tip and the read works beautifully but the write returns -1 
>>and errno = EBADF!
> 
> 
> 	Did you open with O_RDWR?
> 
> Joel
> 

Alright I didn't, though using O_DIRECT | O_RDWR the second time solved 
it :-) I finally got 69MBps read and 49 MBps writes on my SCSI disk.
Thanks for helping me out.
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