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SubjectRe: [block/for-next] writeback: don't access page->mapping directly in track_foreign_dirty TP
On 8/30/19 5:39 PM, Tejun Heo wrote:
> page->mapping may encode different values in it and page_mapping()
> should always be used to access the mapping pointer.
> track_foreign_dirty tracepoint was incorrectly accessing page->mapping
> directly. Use page_mapping() instead. Also, add NULL checks while at
> it.

Applied, thanks.

Jens Axboe

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