Re: [PATCH v5 03/22] cachefiles: introduce on-demand read mode

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Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:

> Why do you have a separate rwlock when the xarray already has its own
> spinlock?  This is usually a really bad idea.

Jeffle wants to hold a lock across the CACHEFILES_DEAD check and the xarray
access.

However, he tells xarray to do a GFP_KERNEL alloc whilst holding the rwlock:-/

David
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