[lkml]   [2002]   [Sep]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Heuristic readahead for filesystems

> In theory, this also could be implemented explicitly if the application
> could tell the kernel "I'm going to read these 100 files in the very
> near future, please make them ready for me". But wait, maybe the
> application can do this (for regular files, not for directory entries
> and stat() data): Could it be efficient if the application used
> open(file,O_NONBLOCK) for the next 100 files and subsequent read()s on
> each of the returned filedescriptors?

What do you want to trigger the reading ahead, open() or read() ?
Please correct me, if I am wrong, but wouldn't read() block ?

Aio should be able to do it. But even that want help you with the stat data.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:28    [W:0.084 / U:3.424 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site