Re: Zero Copy IO

2001-04-09 Thread Alan Cox
> advantageous to enable zero copy IO than copy_from_user() and copy_to_user > () all the data. Other OS such as AIX and OS2 have kernel functions that > can be used to accomplish such a task. Has any ground work been done in > Linux 2.4 to enable "zero copying IO"? kiov

Re: Zero Copy IO

2001-04-09 Thread Jeremy Jackson
was based > > on network card drivers. For certain other drivers > > such as SCSI Tape driver, which need to handle great > > deal of data transfer, it would seemed still be more > > advantageous to enable zero copy IO than copy_from_user() > > and copy_to_user() a

Re: Zero Copy IO

2001-04-08 Thread Douglas Gilbert
s > such as SCSI Tape driver, which need to handle great > deal of data transfer, it would seemed still be more > advantageous to enable zero copy IO than copy_from_user() > and copy_to_user() all the data. Other OS such as AIX > and OS2 have kernel functions that can be used to

Re: Zero Copy IO

2001-04-08 Thread Andi Kleen
Tape driver, which need to > handle great deal of data transfer, it would seemed still be more > advantageous to enable zero copy IO than copy_from_user() and copy_to_user > () all the data. Other OS such as AIX and OS2 have kernel functions that > can be used to accomplish such a tas

Zero Copy IO

2001-04-08 Thread Alex Q Chen
vantageous to enable zero copy IO than copy_from_user() and copy_to_user () all the data. Other OS such as AIX and OS2 have kernel functions that can be used to accomplish such a task. Has any ground work been done in Linux 2.4 to enable "zero copying IO"? Thanks in advance for any sugge