diff options
Diffstat (limited to 'mm/readahead.c')
-rw-r--r-- | mm/readahead.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 4e630143a0ba..f3d6f9656a3c 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -176,10 +176,8 @@ unsigned int __do_page_cache_readahead(struct address_space *mapping, if (page_offset > end_index) break; - rcu_read_lock(); - page = radix_tree_lookup(&mapping->i_pages, page_offset); - rcu_read_unlock(); - if (page && !radix_tree_exceptional_entry(page)) { + page = xa_load(&mapping->i_pages, page_offset); + if (page && !xa_is_value(page)) { /* * Page already present? Kick off the current batch of * contiguous pages before continuing with the next @@ -336,7 +334,7 @@ static pgoff_t count_history_pages(struct address_space *mapping, pgoff_t head; rcu_read_lock(); - head = page_cache_prev_hole(mapping, offset - 1, max); + head = page_cache_prev_miss(mapping, offset - 1, max); rcu_read_unlock(); return offset - 1 - head; @@ -425,7 +423,7 @@ ondemand_readahead(struct address_space *mapping, pgoff_t start; rcu_read_lock(); - start = page_cache_next_hole(mapping, offset + 1, max_pages); + start = page_cache_next_miss(mapping, offset + 1, max_pages); rcu_read_unlock(); if (!start || start - offset > max_pages) |