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SubjectRe: [PATCH] writepage method changes
Marcelo Tosatti wrote:
>
> Well,
>
> Here is the updated version of the patch to add the "priority" argument to
> writepage().

It appears that a -EIO return from block_write_full_page() will
result in an unlock of an unlocked page in page_launder(). Splat.

What does the new writepage() argument do, and why does
it exist?

What action should the individual writepage()s take in
response to different values of `priority'?

What is the meaning of the writepage return value for
the respective values of `priority'?

When should writepage return with the page locked,
and when not?

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