From: Luis Chamberlain <mcgrof@xxxxxxxxxx>
As we will be adding multiples of mapping_min_nrpages to the page cache,
initialize file_ra_state->ra_pages with bdi->ra_pages rounded up to the
nearest mapping_min_nrpages.
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
---
mm/readahead.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/readahead.c b/mm/readahead.c
index 650834c033f0..50194fddecf1 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -138,7 +138,8 @@
void
file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping)
{
- ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages;
+ ra->ra_pages = round_up(inode_to_bdi(mapping->host)->ra_pages,
+ mapping_min_folio_nrpages(mapping));
ra->prev_pos = -1;
}
EXPORT_SYMBOL_GPL(file_ra_state_init);
--
2.43.0
