lkml.org 
[lkml]   [2000]   [Mar]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: mmap_file common case?
Jeff Garzik wrote:
> When dealing with files it is common to mmap all of a file, or up to XXX
> bytes of a file. Is there any way to reduce the number of syscalls for
> this operation from 3 to 1?
>
> fd = open(...);
> stat(...); /* get size for mmap */
> addr = mmap(...);

In principle it's possible to write a device driver, which provides one
ioctl: "do the following sequence of syscalls".

-- Jamie

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:57    [W:0.117 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site