bcachefs: filemap_get_contig_folios_d()

Add a new helper for getting a range of contiguous folios and returning
them in a darray.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-03-23 12:51:47 -04:00
commit 40022c0115