On Fri, Mar 1, 2019 at 11:12 AM Matthew Wilcox <willy(a)infradead.org> wrote:
The radix tree would rewind the index in an iterator to the lowest index
of a multi-slot entry. The XArray iterators instead leave the index
unchanged, but I overlooked that when converting DAX from the radix tree
to the XArray. Adjust the index that we use for flushing to the start
of the PMD range.
Fixes: c1901cd33cf4 "page cache: Convert find_get_entries_tag to XArray"
Reported-by: Piotr Balcer <piotr.balcer(a)intel.com>
Tested-by: Dan Williams <dan.j.williams(a)intel.com>
Given this is a new patch my previous tested-by is invalid.
...that said, this one works.
Tested-by: Dan Williams <dan.j.williams(a)intel.com>