a_ops->readpages() is only ever used for read-ahead. Ensure that we
pass this information down to the block layer.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/btrfs/extent_io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index e99b329002cf..32034bc1e2b9 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3119,7 +3119,7 @@ static inline void __do_contiguous_readpages(struct extent_io_tree *tree,
for (index = 0; index < nr_pages; index++) {
__do_readpage(tree, pages[index], btrfs_get_extent, em_cached,
- bio, 0, bio_flags, 0, prev_em_start);
+ bio, 0, bio_flags, REQ_RAHEAD, prev_em_start);
put_page(pages[index]);
}
}
--
2.7.4
