Trond Myklebust <[email protected]> wrote: > All I do is to protect new calls to read() and write() with a call to > check if the page cache needs invalidating. What about mmap()? What if someone gets a mapping on a section of file that subsequently has a write rejected on it? If you invalidate only on read()/write(), what do you do about such a mapping? > That won't stop any existing append writes from punching ugly holes into the > file, but trying to recover from that sort of thing would be _really_ > painful! Definitely. David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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