summaryrefslogtreecommitdiffstats
path: root/mm/internal.h
diff options
context:
space:
mode:
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 41ade6c184ec..059ad0115ec1 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -49,10 +49,15 @@ void unmap_page_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
struct zap_details *details);
-void force_page_cache_readahead(struct address_space *, struct file *,
- pgoff_t index, unsigned long nr_to_read);
-void do_page_cache_ra(struct readahead_control *,
- unsigned long nr_to_read, unsigned long lookahead_size);
+void do_page_cache_ra(struct readahead_control *, unsigned long nr_to_read,
+ unsigned long lookahead_size);
+void force_page_cache_ra(struct readahead_control *, unsigned long nr);
+static inline void force_page_cache_readahead(struct address_space *mapping,
+ struct file *file, pgoff_t index, unsigned long nr_to_read)
+{
+ DEFINE_READAHEAD(ractl, file, mapping, index);
+ force_page_cache_ra(&ractl, nr_to_read);
+}
/*
* Submit IO for the read-ahead request in file_ra_state.