Re: [V2 PATCH] tmpfs: add fallocate support

[Christoph Hellwig]

On Sun, Nov 20, 2011 at 01:22:10PM -0800, Hugh Dickins wrote:
> First question that springs to mind (to which I shall easily find
> an answer): is it actually acceptable for fallocate() to return
> -ENOSPC when it has already completed a part of the work?

No, it must undo all allocations if it returns ENOSPC.

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