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Re: [Qemu-devel] [PATCH v13 5/6] raw-posix: Add full preallocation optio


From: Richard W.M. Jones
Subject: Re: [Qemu-devel] [PATCH v13 5/6] raw-posix: Add full preallocation option
Date: Fri, 29 Aug 2014 09:48:01 +0100
User-agent: Mutt/1.5.20 (2009-12-10)

On Fri, Aug 29, 2014 at 04:33:12PM +0800, Hu Tao wrote:
> +    if (prealloc == PREALLOC_MODE_FULL) {
> +        /* posix_fallocate() doesn't set errno. */
> +        result = -posix_fallocate(fd, 0, total_size);
> +        if (result != 0) {

Is it better to test:

  result != ENOSYS && result != EOPNOTSUPP

here?

I think this is definitely the right approach.

Rich.


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