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-rw-r--r--include/linux/mm.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f8e12b3b6110..619c0e80cf0c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1138,6 +1138,12 @@ int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
pgoff_t offset, unsigned long nr_to_read);
int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
pgoff_t offset, unsigned long nr_to_read);
+unsigned long page_cache_readahead_ondemand(struct address_space *mapping,
+ struct file_ra_state *ra,
+ struct file *filp,
+ struct page *page,
+ pgoff_t offset,
+ unsigned long size);
unsigned long page_cache_readahead(struct address_space *mapping,
struct file_ra_state *ra,
struct file *filp,
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