From: Hans Reiser <
[email protected]>
Reiser4 implements read without help of generic_file_read, but it uses
page_cache_readahead. So, this patch makes page_cache_readahead
EXPROT_SYMBOL. Future filesystems may find this patch useful as well.
Signed-off-by: Andrew Morton <
[email protected]>
---
25-akpm/mm/readahead.c | 1 +
1 files changed, 1 insertion(+)
diff -puN mm/readahead.c~reiser4-export-page_cache_readahead mm/readahead.c
--- 25/mm/readahead.c~reiser4-export-page_cache_readahead 2005-03-10 19:09:54.000000000 -0800
+++ 25-akpm/mm/readahead.c 2005-03-10 19:09:54.000000000 -0800
@@ -542,6 +542,7 @@ void handle_ra_miss(struct address_space
ra->flags |= RA_FLAG_MISS;
ra->flags &= ~RA_FLAG_INCACHE;
}
+EXPORT_SYMBOL(page_cache_readahead);
/*
* Given a desired number of PAGE_CACHE_SIZE readahead pages, return a
_
