Re: Filesystem question

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue Mar 21 2000 - 09:00:06 EST

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    > I have minix/ext2fs running on top a 'flashdisk' on
    > an ep7211 based system. Writes to the flash have to
    > follow an erase of the corresponding sector. (Most
    > of the flash sectors are 128K). Filesystem syncs

    These are probably not good file systems to run on flash. AXIS have a 2.0
    log based flash file system that might be a lot better.

    > How do I get fsync to pass me down big chunks of
    > data at a time, instead of 1024 bytes?

    You don't. You can however keep a couple of 64K buffers and write them to
    flash when you need a third buffer or after a timeout.

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