Re: [PATCH v7 2/8] fs: Add standard casefolding support

[Daniel Rosenberg <drosen@xxxxxxxxxx>]

On Fri, Feb 7, 2020 at 6:12 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> On Fri, Feb 07, 2020 at 05:35:46PM -0800, Daniel Rosenberg wrote:
>
>
> Again, is that safe in case when the contents of the string str points to
> keeps changing under you?

I'm not sure what you mean. I thought it was safe to use the str and
len passed into d_compare. Even if it gets changed under RCU
conditions I thought there was some code to ensure that the name/len
pair passed in is consistent, and any other inconsistencies would get
caught by d_seq later. Are there unsafe code paths that can follow?

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