Messages in this thread |  | | From | Oliver Neukum <> | Subject | Re: Heuristic readahead for filesystems | Date | Wed, 11 Sep 2002 20:30:27 +0200 |
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> 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.
Regards Oliver
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